LE87220KQC Zarlink, LE87220KQC Datasheet
LE87220KQC
Specifications of LE87220KQC
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LE87220KQC Summary of contents
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... Quad Flat No-Lead (QFN) Package Application Note ORDERING INFORMATION Device Package Le87220JQC 24-pin QFN 24-pin QFN Le87220KQC 1 (Green Package) 1. The green package meets RoHS Directive 2002/95/EC of the European Council to minimize the environmental impact of electrical equipment. 2. For delivery using a tape and reel packing system, add a "T" suffix to the OPN (Ordering Part Number) when placing an order ...
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... Supply Currents and Power Consumption Test Circuit Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Device Specifications Application Circuit PCB Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Physical Dimensions 24-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Device Operational Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Line Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Transformer Turns Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Downstream Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Receiver and Hybrid Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Components Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Revision .13 Revision .13 Revision .13 2 Zarlink Semiconductor Inc. ...
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... PRODUCT DESCRIPTION The Le87220 device is a low-power, dual xDSL differential line driver part of Zarlink’s family of integrated line drivers capable of operating from a standard negative battery supply. Its integration of feedback components and on-chip surge protection diodes makes it one of the most integrated line drivers on the market today. ...
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... Negative power supply. Power +3.3 V analog power supply. Ground Low voltage ground return. Ground Battery ground return. Not connected. Exposed pad on underside of device must be connected to Isolated a heat spreading area. The AGND plane is recommended. 4 Zarlink Semiconductor Inc N/C N/C N/C DDWNN 2 DDWNP 2 8.). Description ...
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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°C to 70°C) and industrial (−40°C to 85°C) temperature ranges by conducting electrical characterization over each range and by conducting a production test with single insertion coupled with periodic sampling ...
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... U1 VBAT Le87220 – BGND – AY1 + V AY,BY V BIAS + BY1 – PCB Layout, on page 8 unless otherwise noted. 6 Zarlink Semiconductor Inc. Device Power V (mA) (mW) CC Min Typ Max Min Typ Max 5.3 850 5.3 824 5.3 824 5.6 826 5.3 772 5.3 772 5 ...
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... MHz 20 kHz 400 kHz 800 kHz 2 MHz fc=100 kHz, Vout=2Vpp fc=2208 kHz, Vout=2Vpp Device Performance AY– AY,BY DWN 7 Zarlink Semiconductor Inc. Test Circuit, on page 6. Min Typ Max 0.6 1.0 28k 40k 52k BAT BAT BAT ---------------- + 0 ...
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... Passive non-heat producing components can be placed between the Le87220 devices. Condition AC Characteristics V BAT ---------------- 0.25 2 fc=100 kHz, Vout=2Vpp fc=1104 kHz, Vout=2Vpp Device Performance AY–BY /V DWN Ω load. 8 Zarlink Semiconductor Inc. Min Typ Max Unit µV ----------- 0.6 1.0 28k 40k 52k kΩ BAT BAT ---------------- + 0.75 ---------------- + 1.75 – ...
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... The Terminal #1 identifier may be either a mold or marked feature. 5. Coplanarity applies to the exposed pad as well as the terminals. 6. Reference Document: JEDEC MO-220. 7. Lead width deviates from the JEDEC MO-220 standard. 9 Zarlink Semiconductor Inc degrees. ...
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... R SEC Secondary Z SEC ` VBAT VCC 200 300 400 500 600 700 800 frequency kHz Figure 2. Le87220 Transformer R PRI L LEAK L PRI Zarlink Semiconductor Inc. 900 1000 1100 1200 Transformer Turns TIP(A) Primary Z INTR RING(B) C PRI ...
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... DDWN ⋅ ------------------- - 10, Application Circuit, on page 8 db(V /VTX) LOOP Z =100 ohms LOOP 100K 1000K Frequency Hz 11 Zarlink Semiconductor Inc. | – BATmin differential. To account for the voltage drop PP ) value of 5.49 kΩ 2.67 kΩ and and R can be used to adjust the downstream 11 1 10000K ...
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... For the Le87220 device, a transformer primary side inductance of >800 µH is recommended Figure 4. Receive and Hybrid Circuit RECEIVER AND HYBRID CIRCUIT AGND 100 LOOP ----------------------------- - ≈ ----------------------------- - = PRI ( ) ( ) 2π 20 kHz 2π 20 kHz 12 Zarlink Semiconductor Inc HYB REC+ REC HYB and any external DC 6 796 µH . ...
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... Ordering Information, on page 1 • Revised 24-lead QFN drawing in Revision • Enhanced format of package drawing in • Added new headers/footers due to Zarlink purchase of Legerity on August 3, 2007 Ordering Information, on page 1 to indicate packing system Physical Dimensions, on page 9 to show chamfer Physical Dimensions, on page 9 13 ...
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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 ...