10 MHz, 20 V/μs, G = 1, 10, 100, 1000 iCMOS®
Programmable Gain Instrumentation Amplifier
Preliminary Technical Data
AD8253
FEATURES
FUNCTIONAL BLOCK DIAGRAM
DGD
Small package: 10-lead MSOP
WR
A1
A0
Programmable gains: 1, 10, 100, 1000
Digital or pin-programmable gain setting
Wide supply: 5 V to 15 V
Logic
-IN
Excellent dc performance
High CMRR 120 dB , G = 100
Low gain drift: 10 ppm/°C
Low offset drift: 1.2 μV/°C , G = 1000
Excellent ac performance
Fast settling time: 615 ns to 0.001%
High slew rate: 20 V/ꢀs
OUT
+IN
AD8253
+VS
-VS
REF
Low distortion:
Figure 1.
High CMRR over frequency: 80 dB to 50 kHz
Low noise: 8 nV/√Hz, G = 1000
Low power: 4 mA
Table 1. Instrumentation and Difference Amplifiers by
Category
APPLICATIONS
High
Low
High
Mil
Low
Digital
Gain
Data acquisition
Biomedical analysis
Test and measurement
Performance Cost
Voltage Grade Power
AD82201
AD8221
AD8222
AD82241
AD6231
AD85531
AD6271 AD82311
AD628
AD629
AD620
AD621
AD524
AD526
AD624
AD8250
GENERAL DESCRIPTION
AD8251
AD85551
AD85561
AD85571
The AD8253 is an instrumentation amplifier with digitally
programmable gains that has GΩ input impedance, low output
noise, and low distortion making it suitable for interfacing with
sensors and driving high sample rate analog-to-digital converters
(ADCs). It has high bandwidth of 10 MHz, low THD and fast
settling time of 615 ns to 0.001%. Offset drift and gain drift are
specified to 1.2 μV/°C and 10 ppm/°C, respectively for G = 1000.
In addition to its wide input common voltage range, it boasts a
high common-mode rejection of 80 dB at G = 1 from dc to
50 kHz. The combination of precision dc performance coupled
with high speed capabilities make the AD8253 an excellent
candidate for data acquisition. Furthermore, this monolithic
solution simplifies design and manufacturing, and boosts
performance of instrumentation by maintaining a tight match
of internal resistors and amplifiers.
1 Rail-to-rail output.
The AD8253 is available in a 10-lead MSOP package and is
specified over the −40°C to +85°C temperature range, making it
an excellent solution for applications where size and packing
density are important considerations.
The AD8253 user interface consists of a parallel port that allows
users to set the gain in one of two different ways (see Figure 1
for the functional block diagram). A 2-bit word sent via a bus
WR
can be latched using the
input. An alternative is to use
transparent gain mode where the state of logic levels at the gain
port determines the gain.
Rev. prA
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registeredtrademarks arethe property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
www.analog.com
©2007 Analog Devices, Inc. All rights reserved.
5秒后页面跳转
电子元器件中的网络滤波器、EMI滤波器与EMC滤波器：分类关系与功能详解
NTC热敏电阻与PTC热敏电阻的应用原理及应用范围
GTO与普通晶闸管相比为什么可以自关断？为什么普通晶闸管不能呢？从GTO原理、应用范围带你了解原因及推荐型号
LF353数据手册解读：特性、应用、封装、引脚说明、电气参数及替换型号推荐
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
