LUCL9215GAU-DT Agere Systems, LUCL9215GAU-DT Datasheet
LUCL9215GAU-DT
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LUCL9215GAU-DT Summary of contents
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... L9215A/G Short-Loop Sine Wave Ringing SLIC Introduction The Agere Systems Inc. L9215 is a subscriber line interface circuit that is optimized for short-loop, power-sensitive applications. This device provides the complete set of line interface functionality (includ- ing power ringing) needed to interface to a subscriber loop. This device has the capability to operate with a V supply of 3 ...
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... Interface Using First-Generation Codec ......... 39 Set Z —Gain Shaping....................................... 39 TG Transmit Gain...................................................... 40 Receive Gain....................................................... 41 Hybrid Balance .................................................... 41 Blocking Capacitors............................................. 42 Third-Generation Codec ac Interface Network—Complex Termination ....................... 45 Outline Diagrams...................................................... 47 32-Pin PLCC .......................................................... 47 48-Pin MLCC.......................................................... 48 48-Pin MLCC, JEDEC MO-220 VKKD-2................ 49 Ordering Information................................................. 50 September 2001 Page Agere Systems Inc. ...
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... Codec (Including Blocking Capacitors) for Complex Termination Impedance ......42 Figure 26. Agere T7504 First-Generation Codec Complex Termination; Meter Pulse Application................................................43 Figure 27. Third-Generation Codec ac Interface Network; Complex Termination ...............45 Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC Table of Contents (continued) Page Tables Table 1. Pin Descriptions ........................................... 9 Table 2 ...
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... A lower-voltage talk battery (V V BAT2 September 2001 supply. CC supply voltage is transparent to the CC ). BAT1 is a maximum – used for power BAT1 ). BAT2 is used for active mode powering. Agere Systems Inc. ...
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... Ring trip detector and common-mode current detector are active during the ring mode. Agere Systems Inc. This feature eliminates the need for a separate external ring relay, associated external circuitry, and a bulk ring- ing generator. See the Applications section of this data sheet for more information ...
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... VITR, RCVP/RCVN must be ac coupled to the codec output. The L9215 is packaged in a 32-pin PLCC surface- mount package and a 48-pin MLCC ultrasmall surface- mount package. Use L9215A for gain of 8 applications and L9215G for gain of 2 applications. September 2001 output of the device. REF Agere Systems Inc. ...
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... REFERENCE TXI ITR – (ITR/306) OUT VTX AX V REF + RFT PT 18 ITR TIP/RING CURRENT SENSE ITR RFR PR 18 Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC AGND V BGND BAT2 BAT1 PROG CURRENT LIMIT AND POWER INRUSH CONTROL VITR – ...
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... Figure 3. 48-Pin MLCC Diagram September 2001 FB2 22 FB1 21 ICM FB1 25 FB2 Agere Systems Inc. ...
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... CF1 13 12 RTFLT REF Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC Type O Loop Closure Detector Output—Ring Trip Detector Output. When low, this logic output indicates that an off-hook condition exists or ring- ing is tripped. — No Connection. O Transmit ac Output Voltage. Output of internal AAC amplifier. This output is a voltage that is directly proportional to the differential ac tip/ ring current ...
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... COMBO I codec is also achieved with a network from this node to VTX Output Voltage. Output of internal AX amplifier. The voltage at this pin is directly proportional to the differential tip/ring current. I ac/dc Separation. Input to internal AAC amplifier. Connect a 0.1 F capac- itor from this pin to VTX. September 2001 Name/Function and connect a capacitor to AGND to fil- CC Agere Systems Inc. ...
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... Scan Disconnect Ring Table 3. Supervision Coding NSTAT 0 = off-hook or ring trip or TSD on-hook and no ring trip and no TSD or DISCONNECT state. Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC State TRGDET ring or tip ground 1 = ring or tip ground 11 ...
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... Ring trip detector is turned off to conserve power. On-hook transmission is allowed. The tip-to-ring on-hook differential voltage will be between –41 V and –49 V with a –70 V primary bat- tery. and may be PPM is off. September 2001 and may be is BAT1 — Forward Battery Agere Systems Inc. ...
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... Pin PR is positive with respect to PT applied to tip/ring drive amplifiers. BAT1 Supervision circuits, loop closure, and common- mode detect are active. Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC Ring trip detector is turned off to conserve power. On-hook transmission is allowed. — Forward The tip-to-ring on-hook differential voltage will be between – ...
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... V – 5 — 3 BAT – 15 — 15 BAT Max Unit 5.25 V — V – BAT1 85 °C Min Typ Max 150 165 — — 35.5 — — 50.5 — — 31.5 — — 42.5 — — 38 — Agere Systems Inc. Unit °C ° Unit C C/W C/W C/W C/W C/W ...
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... Power Dissipation (forward/reverse active; no loop current, with or without PPM) Power Dissipation (on-hook transmission mode; no loop current, with or without PPM, V applied) BAT1 Power Dissipation (disconnect mode) Power Dissipation (ring mode; no load) Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC Parameter = 5 V. Parameter = 5 V. Parameter ...
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... Unit — 3.2 3.6 mA — 0.24 0.35 mA — — 4.8 5.7 mA — — 1.2 1.4 mA — 4.9 5.7 mA — 1.5 1.9 mA — 1 — 1.8 2.5 mA — 8 110 A — — 4.70 5.4 mA — 1.8 2.2 mA — Min Typ Max Unit — 27 36.5 mW — — 121 151 mW — 6 — 141 172 mW Agere Systems Inc. ...
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... OH BAT1 TIP PR to Battery Ground PT to Battery Ground Active Mode ( V): OH |PT – PR| – BAT2 Ring Mode: |PT – PR| – BAT1 Agere Systems Inc. (continued) Parameter into 200 – RING Short-Loop Sine Wave Ringing SLIC Min Typ Max 105 — — ...
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... Typ Max Unit 100 — k — ±10 mV — ±100 mV — — A — — A — — V – 0 — V – 0 — ±50 mA — — — pF — V – 0 — V – 0 0.05 — — V/A — Agere Systems Inc. ...
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... This parameter is not tested in production guaranteed by design and device characterization. 3. VITR transconductance depends on the resistor from ITR to VTX. This gain assumes an ideal 4750 , the recommended value. Positive cur- rent is defined as the differential current flowing from PT to PR. Agere Systems Inc. (continued) 2 ...
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... CC I — — ± — — ± 0.2 0 2.4 — Symbol Min Typ Max V –0.5 0.2 0 2.0 2 — — ± — — ± 0.2 0 2.2 — Agere Systems Inc. Unit Unit ...
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... Parameter PPM Source*: Frequency (f1) Frequency (f2) Input Signal Input Impedance Signal Gain (2.2 Vrms maximum at PT/PR) Isolation Harmonic Distortion * PPM signal should be ac coupled through 10 nF. Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC (continued) Parameter loop loop Loop Loop Min 100 — ...
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... ICM TRGDET BAT1 CC 0.1 F 0.1 F 0 BAT1 Figure 4. Basic Test Circuit September 2001 RING RING IN 0.47 F PPM PPM IN 26 RCVP 60.4 k 69.8 k RCVN 0.1 F VITR 0.1 F TXI VTX 4750 ITR NSTAT 82.3 k Agere Systems Inc RCV RCV VITR 12-3531.E (F) ...
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... BAT V CC 67.5 TIP 10 F BASIC TEST CIRCUIT 67.5 + RING V 56 – PSRR = 20log Figure 6. Longitudinal PSRR Agere Systems Inc T/R 12-2582.c (F) 600 DISCONNECT BYPASS CAPACITOR 12-2583.b (F) Short-Loop Sine Wave Ringing SLIC 100 F TIP 368 BASIC ...
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... September 2001 • = maximum battery maximum current )(current-limit LOOP ) + SLIC on-hook power BATAPPLIED = total power – loop power 2 • * 1.08) (R LOOP ) HANDSET 2 • (20 ) SLIC output or an external voltage ) is related to the V LIM (V) PROG slope to the I/V character- Agere Systems Inc. LOOP(dc) + PROG PROG ...
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... Active Mode R = 100 On- to Off-hook LOOP Transition t < 300 ms Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC Overhead Voltage Active Mode Overhead is programmable in the active mode via an applied voltage source at the device’s OVH control input. The voltage source may be an external voltage ...
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... FB1 and FB2 open not desired to ramp the rate of battery reversal. Table 20. FB1 and FB2 Values vs. Typical Ramp Time C and C FB1 0.01 F 0.1 F 0.22 F 0.47 F 1.0 F 1.22 F 1.3 F 1 OVH September 2001 V OH – 2R – Transition Time FB2 20 ms 220 ms 440 ms 900 ms 1.8 s 2.25 s 2.5 s 2.7 s 3.2 s Agere Systems Inc. ...
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... The device offers a ring mode, in which a balanced power ring signal is provided to the tip/ring pair. During the ring mode, a user-supplied low-voltage ring signal Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC is input to the device’s RING amplified to produce the balanced power ring signal. ...
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... V battery so tip and ring swing around – –20 to tip and ring is IN –40 –60 0.60 0.62 1.0 0.5 . The input range 0.0 IN –0.5 –1.0 0.60 0.62 Figure 11. Ring Mode Typical Operation loop and a 1 REN September 2001 divided by two. In BATTERY VRING VTIP 0.64 0.66 0.68 0.70 0.72 0.74 0.76 TIME VRINGIN 0.64 0.66 0.68 0.70 0.72 0.74 0.76 TIME Agere Systems Inc. 0.78 0.80 12-3573F 0.78 0.80 12-3574F ...
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... Vrms (mV) BAT1 –70.12 894 –68.07 855 –66.06 824 –64.01 799 –62.00 780 –60.00 749 Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC be adjusted so that the power ring signal at tip and ring is just at IN L9215 TIP V RING – –75 V BAT Figure 12 ...
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... F 0.47 F sine September 2001 . Via the state table, the ring signal IN . There are certain timing IN . The signal is applied IN 12-3578bF Typical 5 REN Ringing Voltage RMS Agere Systems Inc. ...
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... Modulation waveforms showing PWM are in Figure 14 below. A. Upper = Pwm Signal Centered at 10 kHz Lower = Modulation Signal B. Same as A but Expanded Figure 14. Modulation Waveforms Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC Operation CC A PWM signal was generated with an HP Function Generator modulated with signal. The optimal frequency used was 10 kHz ...
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... –70 V, Vrms = BAT1 = 3 factor = 1.3. Figure 19. Square Wave Input Signal and Trapezoi- dal Power Ring Signal Output September 2001 . There are certain timing con The signal is applied 12-3572F . 0. frequency = 20 Hz, crest p-p Agere Systems Inc. ...
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... RING the waveform has certain advantages in terms of the timing of state. These advantages are detailed in the Switch- ing Behavior of L9215 Ringing SLIC Application Note. Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC 60 ...
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... With a first-generation codec, the interface between the L9215 and codec actually sets the ac parameters. With a third-generation codec, all ac parameters are set dig- itally, internal to the codec; thus, the interface between September 2001 Agere Systems Inc. ...
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... SLIC gain, if the signal will cause a codec overload, the designer must insert some sort of loss, typically a resis- tor divider, between the SLIC output and codec input. Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC Note also that some third-generation codecs require the designer to provide an inherent resistive termina- tion via external networks ...
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... T 20log g g ----------- - – bal tx rcv GSX h = 20log -------------- - bal ------------------ - rcv – HB1 +2 RCV 1/4 T7504 CODEC Agere Systems Inc. T T/R VGSX 12-2554.V (F) ...
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... VREF rate of battery 80.6 k reversal not V REF CF1 CF2 FB1 FB2 NSTAT 0. 0.1 F Figure 23. Agere T7504 First-Generation Codec Resistive Termination; Nonmeter Pulse Application Agere Systems Inc BAT2 0 AGND ICM TRGDET BAT2 CC ITR ground key not used ...
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... September 2001 Function filter capacitor. filter capacitor < BAT2 BAT1 fixes dc current limit. VREF fixes dc current limit. VPROG and R , sets termination GP RCV , sets transmit gain sets transmit gain sets hybrid balance. X and R , sets termination GP T3 and R , sets termination RCV T3 Agere Systems Inc. ...
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... C´ = --------------------- Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC ac Interface Using First-Generation Codec these components give gain shap- GX TGS GS TG ing to get good gain flatness. These components are a scaled version of the specified complex termination impedance ...
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... R EQ pure resistive termination 600 600 ---------- - = 20log --------- - = 0. R 600 EQ (dB (specified[dB]) (dB ratio used to set the transmit gain 318.25 1 • • ----------------- - ---- - with a quad Agere codec Agere Systems Inc. 5-6400.P (F) is the . ...
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... RCVN and RCVP. To minimize the effect of mismatch of this voltage at T/R, the equivalent resistance to ac ground at RCVN should be approximately equal to that at RCVP. Refer to Figure 25 (with dc blocking capaci- tors). To meet this requirement, R Agere Systems Inc. Hybrid Balance Set the hybrid cancellation via ------------------------------ - ...
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... Figure 25. ac Interface Using First-Generation Codec (Including Blocking Capacitors) for Complex Termi- nation Impedance 0 VTX TXI VITR September 2001 – + CODEC OP AMP RCV 2 CODEC OUTPUT DRIVE AMP Agere Systems Inc. 5-6401.M (F) ...
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... V ramped REF CF1 CF2 FB1 FB2 NSTAT 0. 0.1 F Figure 26. Agere T7504 First-Generation Codec Complex Termination; Meter Pulse Application Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC 0 AGND ICM TRGDET CC ITR ground key ...
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... With R and R RCV T3 gain High frequency compensation. 1/16 W High frequency compensation. 1/16 W High frequency compensation, compensate for dc offset at RCVP/RCVN. September 2001 + (820 || 115 nF dBm, Function | < BAT2 BAT1 , sets termination impedance and receive , sets termination impedance and receive Agere Systems Inc. ...
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... L7591 50 PT FUSIBLE OR PTC OVH CONTROL VOLTAGE V PROG V REF CF1 CF2 0.1 F Figure 27. Third-Generation Codec ac Interface Network; Complex Termination Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC V V BAT1 BAT2 BAT1 BAT2 CC 0.1 F 0.1 F 0.1 F BGND V V AGND ...
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... Filter capacitor ac-couple input ring signal Ring trip filter capacitor. 1/16 W Ring trip filter resistor ac-couple PPM input. 1/16 W Sets T/R to VITR transconductance. 1/ Bias 10 V ac/dc separation blocking capacitor. or 900 + 2.16 F termination impedance. September 2001 Function | < BAT2 BAT1 Agere Systems Inc. ...
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... Note: The dimensions in this outline diagram are intended for informational purposes only. For detailed schemat- ics to assist your design efforts, please contact your Agere Sales Representative Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC 12.446 0.127 11.430 0.076 PIN #1 IDENTIFIER ...
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... The exposed pad on the bottom of the package will PIN #1 IDENTIFIER ZONE DETAIL A 12° 0.24/0.60 0.24/0. 0.30/0.45 48 BAT1 7.00 3.50 6.75 3.375 6.75 7.00 0.65/0.80 1.00 MAX 0.20 REF 0.01/0.05 11 SPACES @ 0.50 = 5.50 0.18/0.30 EXPOSED PAD 0.50 BSC September 2001 potential 0.50 BSC DETAIL A VIEW FOR EVEN TERMINAL/SIDE 0.18/0.30 0.00/0.05 SECTION C–C SEATING PLANE 0.08 5.10 ± 0.15 Agere Systems Inc. 0195mod ...
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... Agere Sales Representative. The exposed pad on the bottom of the package will PIN #1 IDENTIFIER ZONE INDEX AREA (7.00/2 x 7.00/2) 11 SPACES @ DETAIL A 0.18/0.30 0.30/0. DETAIL B BOTTOM VIEW Agere Systems Inc. Short-Loop Sine Wave Ringing SLIC BAT1 7.00 3.50 3.50 7.00 TOP VIEW 1.00 MAX 0.20 REF 0.02/0.05 SIDE VIEW 0.50 = 5.50 2.50/2.625 5.00/5.25 EXPOSED PAD 0 ...
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... Short-Loop Sine Wave Ringing SLIC Ordering Information Device Part No. LUCL9215AAU-D LUCL9215AAU-DT LUCL9215GAU-D LUCL9215GAU-DT LUCL9215ARG-D LUCL9215GRG-D IEEE is a registered trademark of The Institute of Electrical and Electronics Engineers, Inc. PSPICE is a registered trademark of MicroSim Corporation. Telcordia Technologies is a trademark of Bell Communications Research, Inc trademark of Hewlett-Packard Company. ...