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參數資料
| 型號： | INA145 |
| 元件分類： | 差分放大器 |
| 英文描述： | Programmable Gain DIFFERENCE AMPLIFIER |
| 中文描述： | 可編程增益差分放大器 |
| 文件頁數： | 1/11頁 |
| 文件大?。?/td> | 127K |
| 代理商： | INA145 |
INA145
1999 Burr-Brown Corporation
PDS-1567B
Printed in U.S.A. March, 2000
Programmable Gain
DIFFERENCE AMPLIFIER
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111
Twx: 910-952-1111 Internet: http://www.burr-brown.com/ Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
For most current data sheet and other product
information, visit www.burr-brown.com
DESCRIPTION
The INA145 is a precision, unity-gain difference
amplifier consisting of a precision op amp and on-
chip precision resistor network. Two external resistors
set the gain from 1V/V to 1000V/V. The input com-
mon-mode voltage range extends beyond the positive
and negative rails.
On-chip precision resistors are laser-trimmed to achieve
accurate gain and high common-mode rejection. Ex-
cellent TCR tracking of these resistors assures contin-
ued high precision over temperature.
The INA145 is available in the SO-8 surface-mount
package specified for the extended industrial tempera-
ture range, –40
°
C to +85
°
C.
FEATURES
G
DIFFERENTIAL GAIN = 1V/V TO 1000V/V:
Set with External Resistors
G
LOW QUIESCENT CURRENT: 570
μ
A
G
WIDE SUPPLY RANGE:
Single Supply: 4.5V to 36V
Dual Supplies:
±
2.25V to
±
18V
G
HIGH COMMON-MODE VOLTAGE:
+8V at V
S
= +5V
±
28V at V
S
=
±
15V
G
LOW GAIN ERROR: 0.01%
G
HIGH CMR: 86dB
G
SO-8 PACKAGE
APPLICATIONS
G
CURRENT SHUNT MEASUREMENTS
G
SENSOR AMPLIFIER
G
DIFFERENTIAL LINE RECEIVER
G
BATTERY POWERED SYSTEMS
INA145
R
5
10k
(1%)
A1
V
IN
INA145
V
O
R
2
40k
R
1
40k
V
IN
R
3
40k
R
4
40k
R
G1
R
G
R
G2
A2
V
01
Ref
V–
V+
G = 1
+
–
2
5
7
4
1
8
6
3
V
O
= (V
IN
– V
IN
)(1 + R
G2
/R
G1
)
+
–
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| INA146 | High-Voltage, Programmable Gain DIFFERENCE AMPLIFIER |
| INA146UA | High-Voltage, Programmable Gain DIFFERENCE AMPLIFIER |
| INA148 | 【200V Common-Mode Voltage DIFFERENCE AMPLIFIER |
| INA148UA | 【200V Common-Mode Voltage DIFFERENCE AMPLIFIER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| INA145UA | 功能描述:差分放大器 Programmable Gain RoHS:否 制造商:Texas Instruments 通道數量:1 Channel 帶寬:2.4 GHz 可用增益調整:6 dB to 26 dB 輸入補償電壓: 共模抑制比（最小值）:- 40 dB 工作電源電壓:4.75 V to 5.25 V 電源電流:100 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:WQFN-24 封裝:Reel |
| INA145UA | 制造商:BURR-BROWN 功能描述:AMP DIFF PROGRAMMABLE SOIC8 145 制造商:Texas Instruments 功能描述:IC INSTRUMENTATION AMPLIFIER 制造商:Texas Instruments 功能描述:IC, INSTRUMENTATION AMPLIFIER |
| INA145UA | 制造商:Texas Instruments 功能描述:Instrumentation Amplifier IC |
| INA145UA/2K5 | 功能描述:差分放大器 Programmable Gain RoHS:否 制造商:Texas Instruments 通道數量:1 Channel 帶寬:2.4 GHz 可用增益調整:6 dB to 26 dB 輸入補償電壓: 共模抑制比（最小值）:- 40 dB 工作電源電壓:4.75 V to 5.25 V 電源電流:100 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:WQFN-24 封裝:Reel |
| INA145UA/2K5E4 | 功能描述:差分放大器 Programmable Gain RoHS:否 制造商:Texas Instruments 通道數量:1 Channel 帶寬:2.4 GHz 可用增益調整:6 dB to 26 dB 輸入補償電壓: 共模抑制比（最小值）:- 40 dB 工作電源電壓:4.75 V to 5.25 V 電源電流:100 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:WQFN-24 封裝:Reel |
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