OPA2350EA250G4 Datasheet, PDF (12/29 Pages) Texas Instruments – High-Speed, Single-Supply, Rail-to-Rail OPERATIONAL AMPLIFIERS MicroAmplifierSeries

OPA350
OPA2350
OPA4350
SBOS099C − SEPTEMBER 2000 − REVISED JANUARY 2005
www.ti.com
C_B1
2kΩ
2kΩ
V_IN B1
2kΩ
2
4
1/ 4
1
3 ^OPA4350
C_B0
2kΩ
V_IN B0
2kΩ
6
1/ 4
7
5 ^OPA4350
C_A1
2kΩ
V_IN A1
2kΩ
9
1/ 4
8
10 ^{OP A4350}
C_A0
2kΩ
V_IN A0
12
1/ 4
14
13 ^{OP A4350}
11
+5V
0.1µF
0.1µF
24
13
2
CH B1+
3
CH B1−
4
CH B0+
5
CH B0−
6
CH A1+
7
CH A1−
8
CH A0+
9 _{CH A0−}
10
REF_IN
11
REF_OUT
+V_D
+V_A
23
SERIAL DATA A
22
SERIAL DATA B
21
BUSY
20
CLOCK
19
CS
ADS7861
18
RD
17
CONVST
16
A0
15
M0
14
M1
DGND
AGND
1
12
V_IN = 0V to 2.45V for 0V to 4.9V output.
Choose C_B1, C_B0, C_A1, C_A0 to filter high frequency noise.
Serial
Interface
Figure 5. OPA4350 Driving Sampling A/D Converter
12