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AD8390

Features: Voltage feedback amplifier Ideal for ADSL and ADSL2+ central office (CO) and customer premises equipment (CPE) applications Enables high current differential applications Low power operation Single- or dual-power supply operation from 10 V (±5 V) up to 24 V (±12 V) 4 mA total quiescent s...

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SeekIC No. : 004272269 Detail

AD8390: Features: Voltage feedback amplifier Ideal for ADSL and ADSL2+ central office (CO) and customer premises equipment (CPE) applications Enables high current differential applications Low power operati...

AD8390 Data Sheet

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Part Number:
AD8390
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Voltage feedback amplifier
Ideal for ADSL and ADSL2+ central office (CO) and
customer premises equipment (CPE) applications
Enables high current differential applications
Low power operation
Single- or dual-power supply operation from 10 V (±5 V)
up to 24 V (±12 V)
4 mA total quiescent supply current for full power ADSL and ADSL2+ CO applications
Adjustable supply current to minimize power
consumption
High output voltage and current drive
  400 mA peak output drive current
  44.2 V p-p differential output voltage
Low distortion
  82 dBc @ 1 MHz second harmonic
  91 dBc @ 1 MHz third harmonic
High speed: 300 V/s differential slew rate



Application

ADSL/ADSL2+ CO and CPE line drivers
xDSL line driver
High current differential amplifiers


Pinout

Connection Diagram


Specifications

Parameter Rating
Supply Voltage
VOCM
Package Power Dissipation
Maximum Junction Temperature (T J MAX)
Operating Temperature Range (TA)
Storage Temperature Range
Lead Temperature (Soldering 10 s) 		±13.2 V (26.4 V)
VEE < VOCM < VCC
(T J MAX TA)/JA
150
40 to +85
65 to +150
300



Description

The AD8390 is a high output current, low power consumption differential amplifier. It is particularly well suited for the central  office (CO) driver interface in digital subscriber line systems such as ADSL and ADSL2+. While in full bias operation, the driver is capable of providing 24.4 dBm output power into low  resistance loads. This is enough to power a 20.4 dBm line while compensating for losses due to hybrid insertion, transformer insertion, and back termination resistors.

The AD8390 fully differential amplifier is available in a ther-mally enhanced lead frame chip scale package (LFCSP-16) and a 16-lead QSOP/EP. Significant control and flexibility in bias current have been designed into the AD8390. The four power modes are controlled by two digital bits, PWDN (1,0) which  provide three levels of driver bias and one powered-down state. In addition, the IADJ pin can be used for fine quiescent current trimming to tailor the performance of  the AD8390.   




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