Datasheet

OPA341, 2341
11
SBOS202A
FIGURE 7. Transimpedance Amplifier.
FIGURE 5. OPA341 in Noninverting Configuration Driving the ADS7816 with Timing Diagram.
FIGURE 6. Speech Bandpass Filter.
ADS7816
12-Bit A/D
Converter
DCLOCK
D
OUT
CS/SHDN
OPA341
+5V
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.
500Ω
3300pF
10kΩ
ENABLE
Timing
Logic
1.6µs
OA
Enable
3µs
OA
Settling
15µs
Anti-Aliasing Filter Settling
RC Anti-Aliasing
Filter
OPA341 SD
ADS7816 CS/SHDN
1µs
5µs
243kΩ
10MΩ
10MΩ
1.74MΩ
220pF
47pF
200pF
1/2
OPA2341
+5V
ENABLE A
ENABLE B
V
IN
R
L
1/2
OPA2341
Filters 160Hz to 2.4kHz
OPA341
V
O
10MΩ
< 1pF (prevents gain peaking)
V+
ENABLE
λ