LE77D112BTC Zarlink, LE77D112BTC Datasheet
LE77D112BTC
Specifications of LE77D112BTC
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LE77D112BTC Summary of contents
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... ORDERING INFORMATION An Le78D11 VoSLAC™ device must be used with this part. Device Le77D112TC 44-pin eTQFP Le77D112BTC 44-pin eTQFP (Green package)* *Green package meets RoHS Directive 2002/95/EC of the European Council to minimize the environmental impact of electrical equipment. DESCRIPTION The Zarlink Le77D11 dual-channel Voice over Subscriber Line Interface Circuit (VoSLIC™ ...
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... Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Supply Currents and Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Device Specifications .14 Test Circuit .18 Single Channel Application Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Application Circuit Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Physical Dimensions .21 44-Pin eTQFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Revision .22 Revision .22 Revision .22 Revision .22 Revision .22 Revision .22 2 Zarlink Semiconductor Inc. ...
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... Controller 1 Logic VSW Control Switcher SD 2 ILS Logic Controller (TIP) Signal 2-Wire Conditioning Interface Signal Transmission Fault Detection BGND BGND AGND VCC Zarlink Semiconductor Inc programmable from mA. SC Loop/Cable DSLAM/ HEADEND WLL F 1 NPRFILT 1 VIN 1 VOUT 1 VHP 1 CFILT 1 LPF 1 IMT 1 RDC ...
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... C REF NPRi ∆t = ----------------------------------- I NPR Figure 3. DC Feed Curve 14 LOOP Zarlink Semiconductor Inc. ) can be LTH (RING). This voltage from the Level Shift block B . This reduced LPFi (TIP) is held constant, while B (RING) is changed )/500 = CS1], all of the LOOP LTH , may be used to increase the transition ...
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... On the positive half cycle of the input waveform, when near –4 V and V A(TIP) B(RING) is brought more negative. The waveform can be either sinusoidal or trapezoidal under the rating is 140 V. Due to the switching efficiency and overhead voltage, CEO = 12 V. See SW 5 Zarlink Semiconductor Inc. .) REF A (TIP ...
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... SW pin to the base of the external power device Zarlink Semiconductor Inc. ) that tracks Tip and Ring voltage for the two- REG . In doing so, the switcher saves power REG 7) is generated on the Le77D11 VoSLIC device 9 Ω ...
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... BLANKING FILTER LATCH OUTPUT SET RESET DRIVER - + COMPARATOR 8), summed, attenuated and converted to voltage at the CFILT pin. This voltage then goes ), second is the gain from the four-wire (V 2WIN ) side (G ). OUT 2WIN F V OUT IMT 7 Zarlink Semiconductor Inc. and VSW + + 0. LIMi + ILS - BDi ...
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... G IMT F Four-Wire to Two-Wire Gain ( the gain from the VIN input to the line. This gain is defined where K is the gain from VIN this circuit is 7.3 dB. Note: Equation derivations can be found in the Zarlink Le77D11/Le78D11 Chip Set User’s Guide (document ID# 080716 ...
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... In Reverse Polarity state, a foreign voltage fault occurs in which V In the Disconnect state, fault detection is not supported; however, fault conditions can be monitored by the Le78D11 device. For more details on AC, DC fault detection, loss of power, or clock-failure alarm, please refer to the Zarlink Le77D11/Le78D11 Chip Set User’s Guide (document ID# 080716). ...
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... CONNECTION DIAGRAM CFILT 2 IMT 2 LPF 2 RDC 2 VREF VCC AGND FSET RDC 1 LPF 1 IMT 1 Note: 1. Pin 1 is marked for orientation 44-pin eTQFP Exposed Pad Zarlink Semiconductor Inc. BGND 33 2 CHS 32 2 ILS CHCLK 29 28 VSW ILS 1 25 CHS 1 24 BGND 1 23 VREG 1 ...
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... VoSLIC device Switching Regulators. (Channels 1 and 2). A positive supply used to generate the negative supplies of V Supply V (common to both channels). REG2 Exposed pad on underside of device must be connected to a heat Isolated spreading area. The AGND plane is recommended. 11 Zarlink Semiconductor Inc. Description pin of Le78D11 each LTH and CFILT . 1 2 ...
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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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... NPR with respect REF = 1400 Ω with respect REF = 1400 Ω open --------- - 1400 Ω 0.9 Vpk 1400 Ω 0.9 Vpk Zarlink Semiconductor Inc. Typ Max Unit • +20 Typ Max Unit –4 – 54.5 –58 –66 –54 – 11 LTH LTH + 11.5 ...
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... B(RING) to GND IMT = 600 Ω – --------- - LOOP 525 I < |40 mA < |55 mA| --------- - L 520 I < |90 mA Zarlink Semiconductor Inc. Typ Max Unit Note 135 180 mApk 4. 85.3 kHz 0.28 0.31 V Ω 7000 +1 µA Ω 50 V/µsec − 0.3 V − 0.2 V ...
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... REF –40 REF = 20 kΩ –50 200 –20 –20 0 4.45 2.0 –150 –100 2.4 16 Zarlink Semiconductor Inc. Typ Max Unit Note 14 14.3 9.54 9.74 4. 7.96 8.16 –9.54 –9.34 –1.58 –1.38 +0.1 dB +0.1 +0.1 4. +0.15 4., 7 ...
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... Ringing –180 Active and Reverse Polarity –110 Standby and Line Test –80 = 100 Ω with respect V = 0.7V REF I = 1mA 2.8 IMT (Ring) pins 600 Ω. LAC 17 Zarlink Semiconductor Inc. Typ Max Unit 1 MΩ –5 +5 +180 +110 +80 80 120 Note 3. µ ...
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... W Resistor 475 K 1% 1/16 W Resistor 237 k 1% 1/8 W Resistor 1/ Zarlink Semiconductor Inc. SW Comments Panasonic / ECJ-1VB1H102K, 0603 Kemet C0603C273K5RAC Panasonic / ECJ-1VF1C104Z, 0603 CalChip GMC31X7R104K200NT Panasonic / ECJ-1VB1C104K (optional) CalChip GMC31X7R104K200NT Panasonic / ECJ-2YB0J155K,0805 Panasonic ECS-TOJY475R Tecate CMC-300/105KX1825T060 Nichicon / UPW1E221MPH DIGI-KEY / PCC1840CT-ND,0805 General Semi. / ES2C ...
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... BSC D2 0.08 - 0. aaa 0 deg 3.5 deg 7 deg bbb 0 deg - - ccc 11 deg 12 deg 13 deg ddd 11 deg 12 deg 13 deg N 44-Pin eTQFP 21 Zarlink Semiconductor Inc. Nom Max - 0.20 0.60 0.75 1.00 REF - - 0.20 0.27 0.80 BSC 8.00 8.00 0.20 0.20 0.10 0.20 44 ...
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... Updated DC specifications to Vreg, Isc, IMTi and Metering Gain based on Errata notice April 29 2004 revision A1 for device version JCBB. • Included operational issues 3.0 from errata notice April 29, 2004. Revision • Enhanced format of package drawing in • Added new headers/footers due to Zarlink purchase of Legerity on August 3, 2007 , the following changes were made: , Ringing operation state, removed condition 70° and C ...
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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 ...