參數(shù)資料
型號(hào)： OPA687
英文描述： Wideband, Ultra-Low Noise, Voltage Feedback OPERATIONAL AMPLIFIER With Power Down
中文描述： 寬帶，超低噪聲，電壓反饋運(yùn)算放大器打倒電源
文件頁(yè)數(shù)： 7/16頁(yè)
文件大小： 172K
代理商： OPA687
7
OPA687
TYPICAL PERFORMANCE CURVES: V
S
=
±
5V
(CONT)
V
S
=
±
5V, G = +20, R
G
= 39.2
, and R
L
= 100
,
unless otherwise noted (Figure 1).
CMRR and PSRR
Frequency (Hz)
100
10M
100M
1k
10k
100k
1M
CMRR
+PSRR
–PSRR
120
100
80
60
40
20
0
CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY
Frequency (Hz)
10M
100M
10k
100k
1M
)
10
1
0.1
0.01
0.001
OPA687
750
39.2
50
Z
O
POWER SUPPLY and OUTPUT CURRENT
vs TEMPERATURE
Temperature (
°
C)
P
O
–50
24
20
16
12
8
4
0
120
100
80
60
40
20
0
–25
0
25
50
75
100
125
Output Current Sourcing
Output Current Sinking
Power Supply Current
100
90
80
70
60
50
40
30
20
10
0
0
–30
–60
–90
–120
–150
–180
–210
–240
–270
–300
OPEN-LOOP GAIN and PHASE
Frequency (Hz)
100
10M
100M
1G
10G
1k
10k
100k
1M
O
O
°
/
| A
OL
|
∠
A
OL
INPUT DC ERRORS vs TEMPERATURE
Temperature (
°
C)
I
I
μ
A
–50
1.1
0.9
0.7
0.5
0.3
0.1
–0.1
29
24
19
14
9
4
–1
–25
0
25
50
75
100
125
Input Bias Current
Input Offset Voltage
Input Offset Current (0.2
μ
A)
1M
100k
10k
1k
COMMON-MODE and
DIFFERENTIAL INPUT IMPEDANCE
Frequency (Hz)
100
10M
1k
10k
100k
1M
I
Common-Mode Input Impedance
Differential Input Impedance
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