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OPA2343UA 数据手册 - Burr Brown
制造商:
Burr Brown
分类:
运算放大器
封装:
SOIC-8
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OPA2343UA数据手册
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OPA343, 2343, 4343
10
SBOS090A
FIGURE 8. Transimpedance Amplifier.
FIGURE 5. OPA343 in Noninverting Configuration Driving ADS7816.
FIGURE 7. Speech Bandpass Filter.
FIGURE 6. OPA343 in Inverting Configuration Driving ADS7816.
ADS7816
12-Bit A/D
DCLOCK
D
OUT
CS/SHDN
OPA343
+5V
For improved accuracy use OPA340.
V
IN
V+
2
+In
3
–In
V
REF
8
4GND
Serial
Interface
1
0.1µF 0.1µF
7
6
5
NOTE: A/D Input = 0 to V
REF
V
IN
= 0V to 5V for
0V to 5V output.
RC network filters high frequency noise.
500Ω
3300pF
ADS7816
12-Bit A/D
DCLOCK
D
OUT
CS/SHDN
OPA343
+5V
For improved accuracy use OPA340.
V
IN
V+
2
+In
3
–In
V
REF
8
4GND
Serial
Interface
1
0.1µF 0.1µF
7
6
5
NOTE: A/D Input = 0 to V
REF
5kΩ5kΩ
330pF
V
IN
= 0V to –5V for 0V to 5V output.
243kΩ
10MΩ
10MΩ
1.74MΩ
220pF
47pF
200pF
1/2
OPA2343
+5V
V
IN
R
L
1/2
OPA2343
Filters 160Hz to 2.4kHz
OPA343
V
O
10MΩ
<1pF (prevents gain peaking)
+V
λ
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