OPA341 Datasheet, PDF (11/13 Pages) Burr-Brown (TI) – SINGLE-SUPPLY, RAIL-TO-RAIL OPERATIONAL AMPLIFIER WITH SHUTDOWN

+5V
0.1µF
0.1µF
V_IN
V_IN = 0V to 5V for
0V to 5V output.
OPA341
RC Anti-Aliasing
Filter
8 V+
500Ω
10kΩ
+In
2
–In
3300pF ³
ADS7816
12-Bit A/D
Converter
GND 4
1 V_REF
7
DCLOCK
6
D_OUT
5
CS/SHDN
ENABLE
Timing
Logic
NOTE: A/D Input = 0 to V_REF
Serial
Interface
1.6µs 3µs
OA OA
15µs
Enable Settling Anti-Aliasing Filter Settling
OPA341 SD
1µs
ADS7816 CS/SHDN
5µs
FIGURE 5. OPA341 in Noninverting Configuration Driving the ADS7816 with Timing Diagram.
200pF
10MΩ
V_IN
10MΩ
1/2
OPA2341
ENABLE A
+5V
Filters 160Hz to 2.4kHz
243kΩ
1.74MΩ
47pF
1/2
OPA2341
220pF
R_L
ENABLE B
FIGURE 6. Speech Bandpass Filter.
< 1pF (prevents gain peaking)
10MΩ
V+
λ
OPA341
V_O
FIGURE 7. Transimpedance Amplifier.
ENABLE
OPA341, 2341
11
SBOS202A