OPA687 Burr-Brown, OPA687 Datasheet - Page 7

• Manufacturer Part Number: OPA687
• Description: Wideband / Ultra-Low Noise / Voltage Feedback OPERATIONAL AMPLIFIER With Power Down
• Manufacturer: Burr-Brown

TYPICAL PERFORMANCE CURVES: V
V
S
= 5V, G = +20, R
0.001
0.01
120
100
100
0.1
80
60
40
20
90
80
70
60
50
40
30
20
10
10
0
0
1
100
100
10k
CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY
CMRR
| A
50
1k
OL
1k
|
39.2
G
OPA687
100k
= 39.2 , and R
10k
OPEN-LOOP GAIN and PHASE
+PSRR
–PSRR
750
10k
100k
CMRR and PSRR
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Z
100k
1M
O
1M
L
= 100
10M
1M
unless otherwise noted (Figure 1).
100M
10M
10M
1G
A
OL
100M
100M
10G
0
–30
–60
–90
–120
–150
–180
–210
–240
–270
–300
7
100k
10k
1M
–0.1
1k
1.1
0.9
0.7
0.5
0.3
0.1
24
20
16
12
8
4
0
–50
–50
100
S
Common-Mode Input Impedance
= 5V
–25
–25
POWER SUPPLY and OUTPUT CURRENT
INPUT DC ERRORS vs TEMPERATURE
1k
DIFFERENTIAL INPUT IMPEDANCE
Differential Input Impedance
0
0
Input Offset Voltage
COMMON-MODE and
(CONT)
vs TEMPERATURE
Temperature ( C)
Temperature ( C)
10k
Frequency (Hz)
Output Current Sinking
25
25
Input Offset Current (0.2 A)
Output Current Sourcing
OPA687
50
50
100k
Power Supply Current
Input Bias Current
75
75
1M
100
100
10M
125
125
29
24
19
14
9
4
–1
120
100
80
60
40
20
0
®