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OPA234UA 参数 Datasheet PDF下载

OPA234UA图片预览
型号: OPA234UA
PDF下载: 下载PDF文件 查看货源
内容描述: 低功耗,精密单电源运算放大器 [Low-Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS]
分类和应用: 运算放大器
文件页数/大小: 22 页 / 1099 K
品牌: TI [ TEXAS INSTRUMENTS ]
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TYPICAL CHARACTERISTIC CURVES  
At TA = +25°C and RL = 10k, unless otherwise noted.  
POWER-SUPPLY AND COMMON-MODE REJECTION  
vs FREQUENCY  
OPEN-LOOP GAIN/PHASE vs FREQUENCY  
120  
110  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
140  
VS = +2.7V  
+PSR  
0
120  
100  
80  
CL = 100pF  
VS = +5V  
30  
60  
90  
120  
150  
180  
±15V  
CMR  
φ
60  
40  
VS = +2.7V, +5V  
or ±15V  
S = +2.7V or +5V  
VO = 0.25V  
VS  
20  
G
VO  
=
V
V
0
2
S = ±15V  
PSR  
20  
10  
100  
1k  
10k  
100k  
1M  
0.1  
1
10  
100  
1k  
10k  
100k  
1M  
Frequency (Hz)  
Frequency (Hz)  
INPUT NOISE AND CURRENT NOISE  
SPECTRAL DENSITY vs FREQUENCY  
CHANNEL SEPARATION vs FREQUENCY  
RL = 10k  
1k  
100  
10  
160  
140  
120  
100  
80  
Current Noise  
Dual and quad devices.  
G = 1, all channels.  
Quad measured channel  
A to D or B to Cother  
combinations yield improved  
rejection.  
Voltage Noise  
1
10  
100  
1k  
10k  
100k  
10  
100  
1k  
10k  
100k  
Frequency (Hz)  
Frequency (Hz)  
INPUT BIAS CURRENT  
vs INPUT COMMON-MODE VOLTAGE  
INPUT BIAS AND INPUT OFFSET CURRENT  
vs TEMPERATURE  
17  
16  
15  
14  
13  
12  
11  
10  
20  
15  
10  
5  
VS = +2.7V, +5V  
VS = +5V  
IB  
VS = ±15V  
VS = +2.7V  
VS = ±15V  
IOS  
0
+5  
15  
10  
5  
0
5
10  
15  
75  
50  
25  
0
25  
50  
75  
100  
125  
Common-Mode Voltage (V)  
Ambient Temperature (°C)  
OPA234, OPA2234, OPA4234  
6
SBOS055B  
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