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ADM4073

Features: `Low cost, compact, current-sense solution`Three available gain versions20 V/V (ADM4073T)50 V/V (ADM4073F)100 V/V (ADM4073H)`Typical ±1.0% full-scale accuracy`500 A supply current`Wide 1.8 MHz bandwidth`3 V to 28 V operating supply`Wide 2 V to 28 V common-mode range Independent of supply...

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SeekIC No. : 004275833 Detail

ADM4073: Features: `Low cost, compact, current-sense solution`Three available gain versions20 V/V (ADM4073T)50 V/V (ADM4073F)100 V/V (ADM4073H)`Typical ±1.0% full-scale accuracy`500 A supply current`Wide 1.8...

ADM4073 Data Sheet

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Part Number:
ADM4073
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:

`Low cost, compact, current-sense solution
`Three available gain versions
20 V/V (ADM4073T)
50 V/V (ADM4073F)
100 V/V (ADM4073H)
`Typical ±1.0% full-scale accuracy
`500 A supply current
`Wide 1.8 MHz bandwidth
`3 V to 28 V operating supply
`Wide 2 V to 28 V common-mode range Independent of supply voltage
`Operates from −40°C to +125°C
`Available in a 6-lead SOT-23 package
`Pin-to-pin compatibility with the MAX4073




Application

·Cell phones, PDAs
·Notebook computers
·Portable/battery-powered systems
·Smart battery packs/chargers
·Automotive
·Power management systems
·PA bias control
·General system/board-level current monitoring
·Precision current sources




Pinout

Connection Diagram

ADM4073 Diagram




Specifications

Parameter Rating
VCC to GND −0.3 V to +30 V
RS± to GND −0.3 V to +30 V
OUT to GND −0.3 V to (VCC + 0.3 V)
OUT Short-Circuit to GND Continuous
Differential Input Voltage (VRS+ − VRS−) ±5 V
Current into any Pin ±20 mA
Storage Temperature Range −65°C to +125°C
Operating Temperature Range −40°C to +125°C
Lead Temperature, Soldering (10 sec)
Junction Temperature		 300°C
150°C
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Single/Dual Supply Single
Voltage Supply (Vmax) +28V
Gain Range (min to max) 40
Bandwidth G=10 (kHz typ) 1800kHz
CMRR (dB) 90dB
Temperature Range -40 to +125
Package SOT





Description

The ADM4073 is a low cost, high-side, current-sense amplifier ideal for small portable applications such as cell phones, notebook computers, PDAs, and other systems where current monitoring is required. The ADM4073 is available in three different gain models, eliminating the need for gain-setting resistors. Because the ground path is not interrupted, the ADM4073 is particularly useful in rechargeable battery-powered systems, while its wide 1.8 MHz bandwidth makes it suitable for use inside battery-charger control loops. The input common-mode range of 2 V to 28 V is independent of the supply voltage.

The voltage on the output pin is determined by the current flowing through the selectable external sense resistor and the gain of the version selected. The operating range is 3 V to 28 V with a typical supply current of 500 A. The ADM4073 is available in a 6-lead SOT-23 package and is specified over the automotive operating temperature range (−40°C to +125°C).






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