LE9502BTC Zarlink, LE9502BTC Datasheet
LE9502BTC
Specifications of LE9502BTC
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LE9502BTC Summary of contents
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... Layout Considerations for the Le77D11 and Le9502 Devices Application Note Ringing Subscriber Line Interface Circuit ORDERING INFORMATION Device Package Le9502BTC 44-pin eTQFP (Green Package) 1. The green package meets RoHS Directive 2002/95/EC of the European Council to minimize the environmental impact of electrical equipment. ...
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... Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Supply Currents and Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Device Specifications .15 Test Circuit .19 Application Circuit .20 Line Card Parts List .21 Physical Dimensions .22 44-Pin eTQFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Revision .23 Revision .23 Revision .23 Revision .24 Revision .24 Revision .24 Revision .24 Revision .24 2 Zarlink Semiconductor Inc. ...
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... Logic 1 Ref Current Generator 2 Switcher Control 2 Controller Logic 2 2 Signal Two-Wire Conditioning Interface Signal Transmission Fault Detection BGND BGND AGND VCC Zarlink Semiconductor Inc. SW Loop/Cable DSLAM/ MODEM HEADEND WLL F 1 VRINGM VRINGP VINP 1 VINM 1 VOUT 1 VHP 1 CFILT 1 LPF 1 DET 1 RTRIP 1 RDC ...
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... Figure 3. DC Feed Curve I I 17.0mA = + SC LTH 1 ------------------------- - LTH LOOP -------- - DC 500 4 Zarlink Semiconductor Inc. ) can be set via the RDC pin. The current LTH . This reduced LPFi (TIP) is held constant, while B (RING) is changed i -I )/500 = CS1, all of the LOOP LTH K DC (Tip) and i ...
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... LPF i Current Mirrors C * LPFi Level Shift Polarity Control (the ringing voltage gain). The output waveform is a quasi-balanced R i page 20, incorporates the use of a higher power PNP bipolar switching Figure 5. Ringing Waveforms / VRINGM VRINGP 5 Zarlink Semiconductor Inc. A (TIP LOOP Sum/ R Sense (RING) ...
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... PNP is used to limit base i pin will be able to drive approximately 100 mA of drive current to the gate of the i when selecting a power PMOS device for your application. DS(on) 6 Zarlink Semiconductor Inc. rating is 140 V. The switching efficiency CEO = that tracks Tip and Ring voltage for the 2- REG ...
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... Preferably, the external clock should be Low in startup. For a system (codec) which has a high impedance at the clock output in start up, the additional R and R resistors are recommended with values of 10 kΩ and 100 kΩ respectively. Base BG LEADING EDGE BLANKING FILTER LATCH OUTPUT SET RESET V DRIVER - + COMPARATOR internal clock square wave converter 7 Zarlink Semiconductor Inc VSW + SWi CSWi + 0. LIMi + ILS ...
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... IMT V ---------------------------------- - Zarlink Semiconductor Inc. resistors (see Figure 7), summed and S pin. This output is proportional to the AC metallic i is fed back to the line. OUT ) to the 2-wire (V ) side ( the impedance setting resistor for return IMT and R . For example IMT F ...
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... R , the following equation is used: TRIP where V RING PK For Zarlink's application, the ring trip current threshold is 74.6 mA which results transient filter to debounce the output ring trip signal at the DET Circuit on page 20. The RDC pin is used to set the DC feed current limit, as described in i Figure 7 ...
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... SLIC device is shut down. Mainly used if a line fault is detected or to shut down a line. 10 Zarlink Semiconductor Inc. ) from ISET to AGND pins is used. For R Description set to K •(V – ...
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... CONNECTION DIAGRAM VHP 2 CFILT 2 LPF 2 ISET RDC VCC AGND VRINGP VRINGM LPF 1 CFILT 1 Note: 1. Pin 1 is marked for orientation 44-Pin eTQFP Exposed Pad Zarlink Semiconductor Inc. BGND 33 2 CHS 32 2 ILS VRAMP 29 VSW ILS CHS 1 24 BGND 1 23 VREG 1 ...
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... Differential ringing input (common to both channels). Positive supply used by the SLIC device to generate the negative Supply regulated supplies of VREG Exposed pad on underside of device must be connected to a heat Isolated spreading area. The AGND plane is recommended. 12 Zarlink Semiconductor Inc. Description LTH and CFILT . VREG (common to both channels) ...
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... Refer to IPC/JEDEC J-Std-020B Table 5-2 for the recommended solder reflow temperature profile. OPERATING RANGES Zarlink guarantees the performance of this device over commercial (0° to 70°C) and industrial (−40° to 85°C) temperature ranges by conducting electrical characterization over each range, and by conducting a production test with single insertion coupled to periodic sampling ...
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... –2 RING Ringing --------------- - , RING Vin = 0.7Vpk 1400Ω L –0.3 200 = 100 Ω Ringing Vin = 0.7Vpk 1400Ω 7.5 15 Zarlink Semiconductor Inc. Typ Max Unit Note –4 – 54.5 –63 –69 4. –58 – +17 I +29 LTH LTH I +17 I +25 mA LTH ...
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... Ringing, I Condition Min 0.25 – ≥ 0.4 SW ≥ current 72.0 1. 9.34 9.34 –9.74 3.32 –6.42 1 --------- - 520 < |100 mA Zarlink Semiconductor Inc. Typ Max Unit Note 0.28 0.31 V Ω 7000 +1 µA Ω 50 V/µsec 0 8 MΩ 180 75 µA 1 82.2 92.9 Ω 1.4 1.47 ...
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... V 1 – REF = 20 kΩ ---------------------- - 0.4 –20 200 –1 –0.3 0 0.25 2.0 –100 –100 –1 17 Zarlink Semiconductor Inc. Typ Max Unit Note +0.1 +0.1 +0.1 4. +0.15 dB 4.,5. +0.35 –64 –50 –55 –40 – dBrnC 4. –78 –75 dBmP Ω ...
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... Layout should have less than 10 pF from pin to ground internal value of typically V REF Condition Min = –25 µA I OUT = 25 µA I OUT I = –165µA OUT = 165 µA I OUT (RING) pins 600 Ω. LAC = 1.4V. REF 18 Zarlink Semiconductor Inc. Typ Max Unit 2.4 2.8 0.2 0.4 2.4 2.8 0.2 0.4 Note V V ...
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... Coilcraft 1812LS154X_B AsiaCom / MZ2L-50R Fairchild / FDV301N, SOT-23 Zetex / FZT955TA, SOT-223 Yageo / 9C08052A1800FKHFT, 0805 Panasonic / ERJ-3EKF1002V, 0603 Panasonic / ERJ-3EKF3482V, 0603 Panasonic / ERJ-3EKF84R5V, 0603 Panasonic / ERJ-L14KF10CU, 1210 Panasonic / ERJ-3GEYJ513V, 0603 Panasonic / ERJ-3EKF6812V, 0603 Panasonic / ERJ-3EKF5363V, 0603 Zarlink / Le79502, 44-pin eTQFP - Bourns / TISP61089BDR, DOO8 Note ...
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... PHYSICAL DIMENSIONS 44-Pin eTQFP Note: Packages may have mold tooling markings on the surface. These markings have no impact on the form, fit or function of the device. Markings will vary with the mold tool used in manufacturing. 22 Zarlink Semiconductor Inc. ...
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... Ringing operation state, removed condition V , changed min and max values from ±40 to ±50. IH accuracy and added note 4. LTH =600 Ω case. L nominal value to reflect typical value Ω case " minimum, typical, and maximum specifications. Float_Leakage . Float_Leakage on page 1 23 Zarlink Semiconductor Inc 17.0mA). LTH ...
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... Physical Dimensions • Added note to Revision • Added new headers/footers due to Zarlink purchase of Legerity on August 3, 2007. , and I . This required increase in ’Condition’ table size and squeezing the ’Note’ column -85V" in the ’Condition’ column. REG and Ringing distortion. Changed note 8 references to note 7 (as R ...
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... Zarlink, or non-Zarlink furnished goods or services may infringe patents or other intellectual property rights owned by Zarlink. This publication is issued to provide information only and (unless agreed by Zarlink in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned ...