參數(shù)資料
型號： INA2332
元件分類： 測量放大器
英文描述： Precision Instrumentation Amplifier
中文描述： 精密儀表放大器
文件頁數(shù)： 9/17頁
文件大?。?/td> 292K
代理商： INA2332
INA332, INA2332
SBOS216A
9
www.ti.com
APPLICATIONS INFORMATION
The INA332 is a modified version of the classic
“
two op amp
”
instrumentation amplifier, with an additional gain amplifier.
Figure 1 shows the basic connections for the operation of the
INA332 and INA2332. The power supply should be capaci-
tively decoupled with 0.1
μ
F capacitors as close to the INA332
as possible for noisy or high-impedance applications.
The output is referred to the reference terminal, which must
be at least 1.2V below the positive supply rail.
OPERATING VOLTAGE
The INA332 family is fully specified over a supply range of
+2.7V to +5.5V, with key parameters tested over the tempera-
ture range of
–
55
°
C to +125
°
C. Parameters that vary signifi-
cantly with operating conditions, such as load conditions or
temperature, are shown in the Typical Characteristics.
The INA332 may be operated on a single supply. Figure 2
shows a bridge amplifier circuit operated from a single +5V
supply. The bridge provides a small differential voltage riding
on an input common-mode voltage.
FIGURE 2. Single-Supply Bridge Amplifier.
FIGURE 1. Basic Connections.
40k
10k
10k
40k
3
2
5
1
7
8
4
Also drawn in simplified form:
6
REF
0.1
μ
F
0.1
μ
F
RG
V
IN
–
V
IN
+
V
–
V+
A1
A3
A2
V
O
= ((V
IN
+)
–
(V
IN
–
))
G
Short V
to RG
for G = 5
5
10
50
100
SHORT
100k
90k
190k
OPEN
100k
10k
10k
R
2
R
1
Shutdown
(For Single
Supply)
DESIRED GAIN
(V/V)
R
1
R
2
G = 5 + 5 (R
2
/ R
1
)
INA332
5
3
2
V
OUT
8
7
6
4
1
V+
Shutdown
RG
V
IN
–
V
–
V
IN
+
REF
Bridge
Sensor
+5V
NOTE: (1) REF should be adjusted for the desired output level,
keeping in mind that the value of REF affects the common-mode
input range. See Typical Characteristics.
INA332
5
3
2
V
OUT
8
7
6
4
V
–
1
V+
Shutdown
RG
V
IN
–
V
IN
+
REF
(1)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
INA2332AIPWR 功能描述:儀表放大器 Lo-Pwr Single Sply CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk
INA2332AIPWR 制造商:Texas Instruments 功能描述:IC ((NW)) 制造商:Texas Instruments 功能描述:IC, INSTRUMENT AMP, 2MHZ, 73DB, TSSOP-14
INA2332AIPWRG4 功能描述:儀表放大器 Lo-Pwr Single Sply CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk
INA2332AIPWT 功能描述:儀表放大器 Lo-Pwr Single Sply CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk
INA2332AIPWTG4 功能描述:儀表放大器 Lo-Pwr Single Sply CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk
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