Integrated Circuits (ICs)

ISL1557IUEZ

Obsolete

Renesas Electronics Corporation

XDSL DIFFERENTIAL LINE DRIVER

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DocumentsDatasheet ISL1557 Datasheet

Integrated Circuits (ICs)

ISL1557IUEZ

Obsolete

Renesas Electronics Corporation

XDSL DIFFERENTIAL LINE DRIVER

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DocumentsDatasheet ISL1557 Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	ISL1557IUEZ

Current - Supply	6 mA
Function	Line Interface Unit (LIU)
Mounting Type	Surface Mount
Number of Circuits	2
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	0.118 in, 3 mm
Package / Case	Exposed Pad, 10-MSOP, 10-VFSOP
Supplier Device Package	10-HMSOP
Voltage - Supply [Max]	12 V
Voltage - Supply [Min]	4.5 V

ISL1557A Series

12V xDSL Differential Line Driver with Enhanced Output Protection

Part	Number of Circuits	Supplier Device Package	Voltage - Supply [Min]	Voltage - Supply [Max]	Function	Current - Supply	Package / Case	Mounting Type	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]
Renesas Electronics Corporation ISL1557IRZ-T7	2	16-QFN (4x4)	-2.25 V 4.5 V	6 V 12 V	Line Interface Unit (LIU)	6 mA	16-VQFN Exposed Pad	Surface Mount
Renesas Electronics Corporation ISL1557IUEZ	2	10-HMSOP	4.5 V	12 V	Line Interface Unit (LIU)	6 mA	10-MSOP 10-VFSOP Exposed Pad	Surface Mount	0.118 in 3 mm	85 °C	-40 °C
Renesas Electronics Corporation ISL1557AIRZ-T7	1	16-QFN (4x4)	4.5 V	13.2 V	Line Interface Unit (LIU)	6 mA	16-VQFN Exposed Pad	Surface Mount		85 °C	-40 °C
Renesas Electronics Corporation ISL1557IRZ	2	16-QFN (4x4)	-2.25 V 4.5 V	6 V 12 V	Line Interface Unit (LIU)	6 mA	16-VQFN Exposed Pad	Surface Mount

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

ISL1557A Series

The ISL1557A is a dual operational amplifier designed for VDSL2 and ADSL line driving in DMT based solutions. This device features a high drive capability of 750mA while consuming only 6mA of supply current per amplifier and operating from a single 4. 5V to 12V supply. The driver achieves a typical distortion of -80dBc at 150kHz into a 25Ω load. The ISL1557A is designed with stronger output clamps to enhance protection against lightning transients. The ISL1557A is available in the thermally-enhanced 16 Ld QFN and 10 Ld HMSOP package and is specified for operation over the full -40°C to +85°C temperature range. The ISL1557A has two control pins (C0and C1) for controlling the bias and enable/disable of the outputs. These controls allow for lowering the power to fit the performance/power ratio for the application. The ISL1557A is ideal for ADSL2+, SDSL, HDSL2, and VDSL line driving applications, including both 14. 5dBm and 21dBm applications.