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參數(shù)資料
| 型號(hào)： | AD628AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | High Common-Mode Voltage Programmable Gain Difference Amplifier |
| 中文描述： | OP-AMP, 1500 uV OFFSET-MAX, PDSO8 |
| 封裝： | MS-012AA, SOIC-8 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 519K |
| 代理商： | AD628AR |
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Information furnished by Analog Devices is be ieved 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. No license is granted by implication or oth-
erwise under any patent or patent rights of Analog Devices. Trademarks
and registered trademarks are the property of their respective companies.
Tel: 781/329-4700 AD628
High Common-Mode Voltage
Programmable Gain Difference Amplifier
FEATURES
High Common-Mode Input Voltage Range
±120 V at V
S
= ±15 V
Gain Range +0.01 to +100
Operating Temperature Range
–40oC to +85oC
Supply Voltage Range
Dual Supply: ±2.25 V to ±18 V
Single Supply: +4.5 V to +36 V
Excellent AC and DC Performance
Offset Temperature Stability RTI
10 V/oC Max
Offset
±1.5 V mV Max
CMRR RTI
75 dB Min, DC to 500 Hz, G = 1
APPLICATIONS
High Voltage Current Shunt Sensing
Programmable Logic Controllers
Analog Input Front End Signal Conditioning:
+5 V, +10 V, ±5 V, ±10 V and 4 to 20 mA
Isolation
Sensor Signal Conditioning
Power Supply Monitoring
Electro-Hydraulic Control
Motor Control
FUNCTIONAL BLOCK DIAGRAM
R
EXT1
R
EXT2
R
G
+V
S
+IN
–IN
+IN
–IN
–V
S
A2
A1
+IN
–IN
100k
100k
10k
10k
V
REF
10k
AD628
OUT
G = +0.1
C
FILT
10
FREQUENCY – Hz
100k
1k
10k
C
100
40
50
60
70
80
90
120
100
110
130
30
V
S
=
15V
V
S
=
2.5V
Figure 1. CMRR vs. Frequency of the AD628
GENERAL DESCRIPTION
The AD628 is a precision difference amplifier that combines
excellent dc performance with high common-mode rejection over
a wide range of frequencies. When used to scale high voltages, it
allows simple conversion of standard control voltages or currents
for use with single-supply A/D converters. A wideband feedback
loop minimizes distortion effects due to capacitor charging of
sigma-delta A/D converters.
A reference pin (V
REF
) provides a dc offset for converting bipo-
lar to single-sided signals. The AD628 converts +5 V, +10 V,
±5 V, and ±10 V and 4 to 20 mA input signals to a single-ended
output within the input range of single-supply A/D converters.
The AD628 has an input common-mode and differential mode
operating range of ±120 V.
The high common-mode input
impedance makes the device well suited for high voltage measure-
ments across a shunt resistor. The buffer amplifier inverting input
is available for making a remote Kelvin connection.
A precision 10 k resistor connected to an external pin is pro-
vided for either a low-pass filter or to attenuate large differential
input signals. A single capacitor implements a low-pass filter.
The AD628 operates from single- and dual-supplies and is
available in an 8-lead SOIC package. Contact the factory for
availability in MSOP package. It operates over the standard
industrial temperature range of –40oC to +85oC.
REV. 0
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AD628ARM | 制造商:Analog Devices 功能描述:SP AMP DIFF AMP DUAL 18V/36V 8MSOP - Rail/Tube 制造商:Analog Devices 功能描述:IC AMP PROG DIFF SMD MSOP8 628 |
| AD628ARM-REEL | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Dual ±18V/36V 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:SP AMP DIFF AMP DUAL 18V/36V 8MSOP - Tape and Reel |
| AD628ARM-REEL7 | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Dual 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Dual ±18V/36V 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:SP AMP DIFF AMP DUAL 18V/36V 8MSOP - Tape and Reel |
| AD628ARMZ | 功能描述:IC AMP PGA DIFF PREC 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:MicroAmplifier™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:5pA 電壓 - 輸入偏移:1500µV 電流 - 電源:220µA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 36 V，±2.25 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:剪切帶 (CT) 其它名稱:296-29363-1 |
| AD628ARMZ | 制造商:Analog Devices 功能描述:IC AMP PROG DIFF SMD MSOP8 628 |
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