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參數資料
| 型號： | AD8203YRZ-R7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | High Common-Mode Voltage, Single-Supply Difference Amplifier |
| 中文描述： | OP-AMP, 1000 uV OFFSET-MAX, PDSO8 |
| 封裝： | LEAD FREE, MS-012AA, SOIC-8 |
| 文件頁數： | 1/20頁 |
| 文件大小： | 239K |
| 代理商： | AD8203YRZ-R7 |
High Common-Mode Voltage,
Single-Supply Difference Amplifier
AD8203
FEATURES
High common-mode voltage range
6 V to +30 V at a 5 V supply voltage
Operating temperature range: 40°C to +125°C
Supply voltage range: 3.5 V to 12 V
Low-pass filter (1-pole or 2-pole)
Excellent ac and dc performance
±1 mV voltage offset (8-lead SOIC)
±1 ppm/°C typical gain drift
80 dB CMRR minimum dc to 10 kHz
Rev. B
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 registered trademarks are the 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
2005 Analog Devices, Inc. All rights reserved.
www.analog.com
APPLICATIONS
Transmission control
Diesel injection control
Engine management
Adaptive suspension control
Vehicle dynamics control
GENERAL DESCRIPTION
The AD8203 is a single-supply difference amplifier for amplify-
ing and low-pass filtering small differential voltages in the
presence of a large common-mode voltage (CMV). The input
CMV range extends from 6 V to +30 V at a typical supply
voltage of 5 V.
The AD8203 is available in die and packaged form. The MSOP
and SOIC packages are specified over a wide temperature range,
from 40°C to +125°C, while the die is specified over a wider
temperature range, from 40°C to +150°C, making the AD8203
well-suited for use in many automotive platforms.
Automotive platforms demand precision components for better
system control. The AD8203 provides excellent ac and dc
performance keeping errors to a minimum in the user’s system.
Typical offset and gain drift in the SOIC package are 0.3 μV/°C and
1 ppm/°C, respectively. Typical offset and gain drift in the MSOP
package are 2 μV/°C and 1 ppm/°C, respectively. The device also
delivers a minimum CMRR of 80 dB from dc to 10 kHz.
The AD8203 features an externally accessible 100 kΩ resistor at
the output of the Preamp A1, which can be used for low-pass
filter applications and for establishing gains other than 14.
FUNCTIONAL BLOCK DIAGRAMS
A1
+IN
–IN
200k
Ω
200k
Ω
100k
Ω
A2
+IN
–IN
G =
×
7
G =
×
2
AD8203
10k
Ω
10k
Ω
+IN
–IN
GND
OUT
NC
6
A1
3
A2
4
+V
S
7
NC = NO CONNECT
2
5
8
1
0
Figure 1. Functional Block Diagram
GND
NC
–IN
+IN
A1
+V
S
A2
OUT
AD8203
5V
OUTPUT
INDUCTIVE
LOAD
POWER
DEVICE
4-TERM
SHUNT
CLAMP
DIODE
BATTERY
14V
COMMON
NC = NO CONNECT
0
Figure 2. High Line Current Sensor
GND
NC
–IN
+IN
A1
+V
S
A2
OUT
AD8203
5V
OUTPUT
INDUCTIVE
LOAD
POWER
DEVICE
4-TERM
SHUNT
CLAMP
DIODE
BATTERY
14V
COMMON
NC = NO CONNECT
0
Figure 3. Low Line Current Sensor
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相關代理商/技術參數 |
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| AD8203YRZ-RL | 功能描述:IC AMP DIFF 60KHZ 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數:1 輸出類型:滿擺幅 轉換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SO 包裝:帶卷 (TR) |
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| AD8205AR | 制造商:Analog Devices 功能描述:- Bulk |
| AD8205WHRZ | 制造商:Analog Devices 功能描述:42VSNGLSUPPLYDIFFAMP - Rail/Tube 制造商:Analog Devices 功能描述:IC OPAMP DIFF 50KHZ 8SOIC 制造商:Analog Devices 功能描述:42V Sngl Supply Diff Amp |
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