LUCL9218GAR-DT Agere Systems, LUCL9218GAR-DT Datasheet
LUCL9218GAR-DT
Specifications of LUCL9218GAR-DT
Related parts for LUCL9218GAR-DT
LUCL9218GAR-DT Summary of contents
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... L9218A/G Low-Cost Line Interface Features Basic forward battery only SLIC functionality at a low cost Pin compatible with Agere Systems Inc. L9219 and L9217 SLIC Low active power (typical 138 mW during on-hook transmission) Low-power scan mode for low-power, on-hook power dissipation (59 mW typical) ...
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... Power Supply .......................................... 8 2-Wire Port .............................................. 9 Analog Pin Characteristics .................... 10 ...................... 11 ac Feed Characteristics Parts List for Loop Start Application Circuit Using T7504-Type Codec .......... 16 200 680 0.1 F First- Generation Codec Design Parameters . 17 Parts List for Loop Start Application Circuit Using T8536-Type Codec .......... 18 Agere Systems Inc. Page Page ...
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... Data Sheet November 2001 Description (continued LOOP CLOSURE DETECTOR LCTH RTSP RING TRIP DETECTOR RTSN Agere Systems Inc. L9218A/G Low-Cost Line Interface POWER CONDITIONING AND REFERENCE FORWARD AND REVERSE BATTERY RECTIFIER + AX – V/A AAC – TIP/RING CURRENT SENSE A VERSION GAIN = 3.93 ...
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... Receive ac Signal Input (Noninverting). This high-impedance input controls the ac differential voltage on tip and ring. Receive ac Signal Input (Inverting). This high-impedance input controls the ac differential voltage on tip and ring. Data Sheet November 2001 VTX 24 TXI 23 VITR 22 NSTAT RTSP 19 RTSN 17 18 Description Agere Systems Inc. 12-3552 (F) ...
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... TSD — Agere Systems Inc. Description Loop Closure Threshold Input. Connect a resistor to VTX to set off-hook threshold. dc Output Voltage. This output is a voltage that is directly proportional to the absolute value of the differential tip/ring current. Battery Supply. Negative high-voltage power supply. Protected Ring. The output of the ring driver amplifier and input to loop sens- ing circuitry ...
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... Low-Power Scan. Except for off-hook detection, all circuits are shut down to conserve power. Pin PT is positive with respect to pin PR. On-hook transmission is disabled. Table 3. Supervision Coding NSTAT 0 = off-hook or ring trip on-hook and no ring trip. 6 State/Definition TSD 0 = Normal device operation Device is in thermal shutdown. Data Sheet November 2001 Agere Systems Inc. ...
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... An inductor connected to tip and ring can force an overvoltage Inductance in the V lead could resonate with the V BAT Recommended Operating Conditions Parameter Ambient Temperature V Supply Voltage CC V Supply Voltage BAT Agere Systems Inc. L9218A/G Low-Cost Line Interface ( Symbol Min V — — BAT — ...
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... Unit — 4.6 5.6 mA — –2.4 –2.7 mA — 138 158 mW — 2.8 3.8 mA — –0.8 –1.0 mA — — 1.6 — mA — –0.12 — mA — 14 — — — — — dB 150 165 — C — 30 — C/W — 43 — C/W — 27 — C/W — 36 — C/W Agere Systems Inc. ...
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... This parameter is not tested in production guaranteed by design and device characterization. 4. Specification is reduced 10.5 V| minimum when V BAT1 5. Longitudinal balance of circuit card will depend on loop series protection resistor matching and magnitude. More information is available in the Applications section of this document. Agere Systems Inc. (continued) Min ...
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... LCTH to pin DCOUT. The programming equation or relationship between LCTH is within Data Sheet November 2001 Typ Max Unit 125 129 V/A — 100 mV — 13.6 mA — 10.2 mA ±10 — mV –8.6 –8 0 –0.2 – — M Agere Systems Inc. ...
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... With a third-generation codec, this parameter is set by a codec combination of a codec and an external network. 2. This parameter is not tested in production guaranteed by design and device characterization. 3. Use this gain option with a first-generation or third-generation codec. 4. Use this gain option with an Agere third-generation codec. Agere Systems Inc. (continued) Min 150 2 — ...
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... A) = –20 A) TIP TIP Data Sheet November 2001 Min Typ Max V –0.5 0.4 0 2 +10 +24 + 0.2 0 2.4 — 100 Figure 3. Ring Trip Circuits Agere Systems Inc. Unit RING RING 12-2572 (F).f ...
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... V BAT BAT 100 4 BAT V CC TIP + BASIC TEST CIRCUIT 900 V T/R – RING PSRR = 20 log V Figure 5. Metallic PSRR Agere Systems Inc BAT CC 0 BGND V AGND BAT CC 50 VITR PT RCVN L9218 SLIC 50 RCVP PR DCOUT TG I PROG VTX TXI ...
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... V PT – BASIC TEST CIRCUIT – LONG PR + RING LONG I I LONG LONG Figure 9. Longitudinal Impedance XMT TIP + BASIC V T/R TEST CIRCUIT – RCV RING V XMT G = XMT V T RCV V RCV Figure 10. ac Gains Agere Systems Inc. 12-2585 (F). 12-2587 (F).e ...
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... Table 9. 200 680 0.1 F First-Generation Codec Design Parameters Design Parameter Loop Closure Threshold dc Loop Current Limit 2-wire Signal Overload Level ac Termination Impedance Hybrid Balance Line Impedance Transmit Gain Receive Gain Agere Systems Inc. 680 0.1 F complex termination impedance and V V BAT C CC BAT C CC ...
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... TSP With RTS1 Data Sheet November 2001 Function , sets ac termination impedance. RCV , sets receive gain sets ac termination impedance RCV high frequency compensation. N2 high frequency compensation. N2 high frequency compensation forms filter pole. TSP , sets threshold. TSN Agere Systems Inc. ...
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... C R RTS1 TS1 0.015 F 510 19 RTSN R TSN CF2 3 RING V BAT * Optional nonfunctional connection for exact footprint match with L9219. Figure 12. Basic Loop Start Application Circuit Using T8536-Type Codec Agere Systems Inc BAT BAT CC 0 BAT ...
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... Sets transmit gain of SLIC. dc bias. Sets loop closure (off-hook) threshold. Ringing source series resistor. With R and R TSN With R , sets threshold. TSP With R , sets threshold. TSN Data Sheet November 2001 Function , forms second 2 Hz filter pole. TSP Agere Systems Inc. ...
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... BAT mA. LIM R = 115 . dc1 Figure 13. Loop Current vs. Loop Voltage Agere Systems Inc. Starting from the on-hook condition and going through to a short circuit, the curve passes through the follow- ing two regions: Region 1: On-hook and low-loop currents. The slope ...
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... The supervision output bit NSTAT is high in an on-hook LCTH (k ) – 1.9 mA ACTIVE off-hook to on-hook LCTH ( 2.7 mA SCAN on-hook to off-hook LCTH R P TIP 0.125 V/mA ITR + – RING 0.05 mA – Figure 14. Off-Hook Detection Circuit Data Sheet November 2001 D C DCOUT R LCTH LCTH NSTAT Agere Systems Inc. 12-2553 (F).f ...
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... Now with available, the equation will predict the actual longitudinal balance for RP, ZT, and . Be aware that ZT may vary with frequency for complex impedance applications. Agere Systems Inc LOOP TSP ...
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... SLIC RCVN/RCVP inputs, which will reduce the amount of gain that is available for ter- mination impedance. For this reason, a high-gain SLIC is required with a first-generation codec. Data Sheet November 2001 Agere Systems Inc. ...
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... T/R SENSE – RING Agere Systems Inc. L9218A/G Low-Cost Line Interface better the S/N. The problem is, if the codec is feeding a high-gain SLIC, either an external resistor divider is needed to knock the gain down to meet the TLP requirements, or the codec is not operating near maxi- mum signal levels, thus compromising the S/N. ...
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... To optimize the hybrid balance, the sum of the currents at the VFX input of the codec op amp should be set to 0. The following expressions assume the test network is the same as the termination impedance ------------------------ - rcv 20log g g ----------- - – bal tx rcv Data Sheet November 2001 Agere Systems Inc. ...
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... ------------ - TGP 3168 R 3168 TGS ------------- - ----------------- - – TGP P The equations above do not include the blocking capacitors. Agere Systems Inc ----------------- - – TGP TGS ----------- - ------- - + + ----------------- - + TGP TGS ...
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... Data Sheet November 2001 – – CODEC CODEC OP AMP OP AMP CODEC OUTPUT DRIVE R R RCV RCV AMP – CODEC OP AMP –2 CODEC R RCV OUTPUT DRIVE C B2 AMP Agere Systems Inc. 5-6401 (F).j 5-6400 (F).n ...
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... Loop power = ( LIM dcLOOP Agere Systems Inc. Loop power = (25 mA (200 Loop power = 0.207 W SLIC power = 1.523 W – 0.207 W = 1.28 SLIC power = 1.28 W < 1.51 W Thus, in this example, the thermal design ensures that the SLIC will not enter the thermal shutdown state. ...
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... L9218A/G Low-Cost Line Interface Outline Diagram 28-Pin PLCC Dimensions are in millimeters. PIN #1 IDENTIFIER ZONE 12.446 0.127 11.506 0.076 0.51 MIN 1.27 TYP 0.330/0.533 Data Sheet November 2001 25 11.506 0.076 12.446 0.127 19 4.572 MAX SEATING PLANE 0.10 TYP Agere Systems Inc. 5-2608(F) ...
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... Data Sheet November 2001 Ordering Information Device LUCL9218AAR-D LUCL9218AAR-DT LUCL9218GAR-D LUCL9218GAR-DT Agere Systems Inc. L9218A/G Low-Cost Line Interface Package 28-Pin PLCC (Dry Bag) Gain of 12 28-Pin PLCC (Tape and Reel, Dry Bag) Gain of 12 28-Pin PLCC (Dry Bag) Gain of 2 28-Pin PLCC ...
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... JAPAN: (81) 3-5421-1600 (Tokyo), KOREA: (82) 2-767-1850 (Seoul), SINGAPORE: (65) 778-8833, TAIWAN: (886) 2-2725-5858 (Taipei) EUROPE: Tel. (44) 7000 624624, FAX (44) 1344 488 045 Agere Systems Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application. Copyright © 2001 Agere Systems Inc. All Rights Reserved ...