參數(shù)資料
型號(hào): INA2126U
元件分類: 測(cè)量放大器
英文描述: Micropower single-supply CMOS Instrumentation Amplifier
中文描述: 微功耗單電源 CMOS 儀表放大器
文件頁(yè)數(shù): 9/9頁(yè)
文件大?。?/td> 314K
代理商: INA2126U
9
INA126, INA2126
FIGURE 4. Bridge Signal Acquisition—Single 5V Supply.
FIGURE 5. Differential Voltage-to-Current Converter.
A
1
I
B
Error
±
1.5nA
±
20pA
±
1pA
±
100fA
OPA177
OPA130
OPA602
OPA129
INA126
R
G
I
B
R
1
V
IN
+
A
1
I
O
Load
I
O
= R
1
V
IN
Ref
6
6
Dual version has external sense connection.
40k
10k
10k
40k
INA126
5
1.2V
4
4
6 8
2
1
8
3
7
6
R
G
R
1
1k
C
0.47μF
R
2
1k
+5V
R
, C
, R
2
:
340Hz LP
Bridge
Sensor
2.5V –
V
2.5V +
V
REF1004C-1.2
33μA
2
3
1
+IN
–IN
V
REF
D
ADS7817
12-Bit
A/D
C
S
Ck
6
Serial
Data
Chip
Select
INA126 and ADS7817
are available in fine-pitch
MSOP-8 package
6
Dual version has external
sense connection. Pin numbers
shown are for single version.
Clock
5
7
4
8
A
2
A
1
The ADS7817’s V
input current is proportional to conversion rate. A
conversion rate 10kS/s or slower assures enough current to turn on the
reference diode. Converter input range is ±1.2V. Output swing limitation of
INA126 limits the A/D converter to somewhat greater than 11 bits of range.
A similar instrumentation amplifier, INA125, provides
an internal reference voltage for sensor excitation
and/or A/D converter reference.
6
相關(guān)PDF資料
PDF描述
INA129 microPower, Single-Supply, CMOS Instrumentation Amplifier
INA128UA microPower, Single-Supply, CMOS Instrumentation Amplifier
INA128 microPower, Single-Supply, CMOS Instrumentation Amplifier
INA128P microPower, Single-Supply, CMOS Instrumentation Amplifier
INA128PA microPower, Single-Supply, CMOS Instrumentation Amplifier
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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