AD8224BCPZ-R7

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Series Information for AD8224BCPZ-R7 - Analog Devices

Features

  • feature
    Two channels in a small 4 mm u00d7 4 mm LFCSP Custom LFCSP package with hidden paddle Permits routing and vias underneath package Allows full bias current performance Low input currents 10 pA maximum input bias current (B grade) 0.6 pA maximum input offset current (B grade) High CMRR 100 dB CMRR (minimum), G = 10 (B grade) 90 dB CMRR (minimum) to 10 kHz, G = 10 (B grade) Excellent ac specifications and low power 1.5 MHz bandwidth (G = 1) 14 nV/u221aHz input noise (1 kHz) Slew rate: 2 V/u00b5s 750 u00b5A quiescent current per amplifier Versatility Rail-to-rail output Input voltage range to below negative supply rail 4 kV ESD protection 4.5 V to 36 V single supply u00b12.25 V to u00b118 V dual supply Gain set with single resistor (G = 1 to 1000)

Description

INSTRUMENT AMPLIFIER 1.5MHZ 80DB LFCS

The AD8224 is the first single-supply, JFET input instrumentation amplifier available in the space-saving 16-lead, 4 mm × 4 mm LFCSP. It requires the same board area as a typical single instrumentation amplifier yet doubles the channel density and offers a lower cost per channel without compromising performance. Designed to meet the needs of high performance, portable instrumentation, the AD8224 has a minimum common-mode rejection ratio (CMRR) of 86 dB at dc and a minimum CMRR of 80 dB at 10 kHz for G = 1. Maximum input bias current is 10 pA and typically remains below 300 pA over the entire industrial temperature range. Despite the JFET inputs, the AD8224 typically has a noise corner of only 10 Hz. With the proliferation of mixed-signal processing, the number of power supplies required in each system has grown. Designed to alleviate this problem, the AD8224 can operate on a ±18 V dual supply, as well as on a single +5 V supply. The device’s rail- to-rail output stage maximizes dynamic range on the low voltage supplies common in portable applications. Its ability to run on a single 5 V supply eliminates the need for higher voltage, dual supplies. The AD8224 draws 750 µA of quiescent current per amplifier, making it ideal for battery powered devices. In addition, the AD8224 can be configured as a single-channel, differential output, instrumentation amplifier. Differential outputs provide high noise immunity, which can be useful when the output signal must travel through a noisy environment, such as with remote sensors. The configuration can also be used to drive differential input ADCs. For a single-channel version, use the AD8220.

Specifications

No. of Amplifiers:
2 Amplifier
Input Offset Voltage:
175 V
Slew Rate:
2V/ s
Bandwidth:
1.5MHz
Supply Voltage Range:
2.25V to 18V 4.5V to 36V
Amplifier Case Style:
LFCSP
CMRR:
80dB

Alternate Descriptions

Newark Electronics
INSTRUMENT AMPLIFIER, 1.5MHZ, 80DB, LFCSP-16; No. of Amplifiers:2 Amplifier; Input Offset Voltage:175µV; Slew Rate:2V/µs; Bandwidth:1.5MHz; Supply Voltage Range:± 2.25V to ± 18V, 4.5V to 36V; Amplifier Case Style:LFCSP; CMRR:80dB RoHS Compliant: Yes