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| 型号： | ALD1722EDA |
| 厂商： | Advanced Linear Devices, Inc. |
| 英文描述： | EPAD⑩ OPERATIONAL AMPLIFIER |
| 中文描述： | EPAD⑩运算放大器 |
| 文件页数： | 1/10页 |
| 文件大小： | 64K |
| 代理商： | ALD1722EDA |
ALD1722E/ALD1722
Advanced Linear Devices
1
EPAD OPERATIONAL AMPLIFIER
ADVANCED
LINEAR
DEVICES, INC.
ALD1722E/ALD1722
GENERAL DESCRIPTION
The ALD1722E/ALD1722 is a monolithic rail-to-rail precision CMOS
operational amplifier with integrated user programmable EPAD (Electri-
cally Programmable Analog Device) based offset voltage adjustment. The
ALD1722E/ALD1722 is a direct replacement of the ALD1702 operational
amplifier, with the added feature of user-programmable offset voltage
trimming resulting in significantly enhanced total system performance and
user flexibility.
EPAD technology is an exclusive ALD design which has
been refined for analog applications where precision voltage trimming is
necessary to achieve a desired performance. It utilizes CMOS FETs as
in-circuit elements for trimming of offset voltage bias characteristics with
the aid of a personal
computer under software control.
Once pro-
grammed, the set parameters are stored indefinitely within the device even
after power-down. EPAD offers the circuit designer a convenient and cost-
effective trimming solution for achieving the very highest amplifier/system
performance.
The ALD1722E/ALD1722 operational amplifier features rail-to-rail input
and output voltage ranges, tolerance to over-voltage input spikes of
300mV beyond supply rails, high capacitive loading up to 4000pF, ex-
tremely low input currents of 0.01pA typical, high open loop voltage gain,
useful bandwidth of 1.5 MHz, slew rate of 2.1 V/
s, and low supply current
of 0.8mA.
BENEFITS
Eliminates manual and elaborate
system trimming procedures
Remote controlled automated trimming
In-System Programming capability
No external components
No internal chopper clocking noise
No chopper dynamic power dissipation
Simple and cost effective
Small package size
Extremely small total functional
volume size
Low system implementation cost
Low power
* Contact factory for industrial temperature range
Operating Temperature Range*
-55
°C to +125°C0°C to +70°C0°C to +70°C
8-Pin
CERDIP
Small Outline
Plastic Dip
Package
Package (SOIC)
Package
ALD1722E DA
ALD1722E SA
ALD1722E PA
ALD1722 DA
ALD1722 SA
ALD1722 PA
ORDERING INFORMATION
PIN CONFIGURATION
1
2
3
4
8
7
6
5
TOP VIEW
DA, PA, SA PACKAGE
VE1
-IN
+IN
VE2
OUT
N/C
V-
V+
APPLICATIONS
Sensor interface circuits
Transducer biasing circuits
Capacitive and charge integration circuits
Biochemical probe interface
Signal conditioning
Portable instruments
High source impedance electrode
amplifiers
Precision Sample and Hold amplifiers
Precision current to voltage converter
Error correction circuits
Sensor compensation circuits
Precision gain amplifiers
Periodic In-system calibration
System output level shifter
KEY FEATURES
EPAD ( Electrically Programmable Analog Device)
User programmable VOS trimmer
Computer-assisted trimming
Rail-to-rail input/output
Compatible with standard EPAD Programmer
High precision through in-situ circuit precision trimming
Reduce or eliminate VOS, PSRR, CMRR and TCVOS errors
System level “calibration” capability
In-System Programming capable
Electrically programmable to compensate for external
component tolerances
Achieve 0.01pA input bias current and 25
V
input offset voltage simultaneously
Compatible with industry standard pinout
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ALD1722EPA | 功能描述:运算放大器 - 运放 Precision LP 300mV 4000pF 0.01pA 1.5MHz RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| ALD1722EPAL | 功能描述:运算放大器 - 运放 EPAD(R) Hi-Precision RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| ALD1722ESA | 制造商:ALD 制造商全称:Advanced Linear Devices 功能描述:EPAD⑩ OPERATIONAL AMPLIFIER |
| ALD1722ESAL | 功能描述:运算放大器 - 运放 EPAD(R) Hi-Precision RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| ALD1722GPAL | 功能描述:运算放大器 - 运放 CMOS OP Amp .01pA/25uV RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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