OPA340_06 Datasheet, PDF (10/20 Pages) Burr-Brown (TI) – SINGLE-SUPPLY, RAIL-TO-RAIL OPERATIONAL AMPLIFIERS MicroAmplifier TM Series

+5V
0.1µF
0.1µF
V_IN
V_IN = 0V to 5V for
0V to 5V output.
OPA340
500Ω
3300pF
8 V+
+In
2
–In
3
ADS7816
12-Bit A/D
GND 4
RC network filters high frequency noise.
FIGURE 5. OPA340 in Noninverting Configuration Driving ADS7816.
1 V_REF
7
DCLOCK
6
D_OUT
5
CS/SHDN
Serial
Interface
NOTE: A/D Input = 0 to V_REF
5kΩ
V_IN
330pF
5kΩ
OPA340
+5V
0.1µF
0.1µF
8 V+
+In
2
–In
3
ADS7816
12-Bit A/D
GND 4
1 V_REF
7
DCLOCK
6
D_OUT
5
CS/SHDN
Serial
Interface
V_IN = 0V to –5V for 0V to 5V output.
FIGURE 6. OPA340 in Inverting Configuration Driving ADS7816.
NOTE: A/D Input = 0 to V_REF
+5V
Filters 160Hz to 2.4kHz
V_IN
200pF
10MΩ
10MΩ
1/2
OPA2340
243kΩ
1.74MΩ
47pF
1/2
OPA2340
R_L
220pF
FIGURE 7. Speech Bandpass Filter.
®
OPA340/2340/4340
10