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OPA2348AIDR 参数 Datasheet PDF下载

OPA2348AIDR图片预览
型号: OPA2348AIDR
PDF下载: 下载PDF文件 查看货源
内容描述: 为1MHz , 45レA, CMOS ,轨至轨运算放大器 [1MHz, 45レA, CMOS, Rail-to-Rail OPERATIONAL AMPLIFIERS]
分类和应用: 运算放大器
文件页数/大小: 19 页 / 502 K
品牌: BURR-BROWN [ BURR-BROWN CORPORATION ]
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+5V
0.1µF
0.1µF
8 V+
500Ω
OPA348
V
IN
3300pF
V
IN
= 0V to 5V for
0V to 5V output.
+In
2
–In
3
GND 4
ADS7822
12-Bit A/D
1 V
REF
DCLOCK
D
OUT
CS/SHDN
7
6
5
Serial
Interface
NOTE: A/D Input = 0 to V
REF
RC network filters high frequency noise.
FIGURE 7. OPA348 in Noninverting Configuration Driving ADS7822.
V+ = +2.7V to 5V
Passband 300Hz to 3kHz
R
9
510kΩ
R
1
1.5kΩ
C
1
1000pF
R
2
1MΩ
R
4
20kΩ
C
3
33pF
R
7
51kΩ
R
8
150kΩ
1/2
OPA2348
+IN
2
–IN
3
4
V
REF
1
8 V+
7
ADS7822
6
12-Bit A/D
5
DCLOCK
D
OUT
CS/SHDN
Serial
Interface
1/2
OPA2348
Electret
Microphone
(1)
R
3
1MΩ
R
6
100kΩ
C
2
1000pF
NOTE: (1) Electret microphone
powered by R
1
.
R
5
20kΩ
G = 100
GND
FIGURE 8. OPA2348 as a Speech Bandpass Filtered Data Acquisition System.
OPA348, 2348, 4348
SBOS213C
www.ti.com
9