Datasheet

Data Sheet ADA4091-2/ADA4091-4
Rev. G | Page 7 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
07671-034
V
OS
(µV)
NUMBER OF AMPLIFIERS
0
20
40
60
80
100
120
140
160
180
200
–250 –200 –150 –100
–50 0
50
100
150
200
250
ADA4091-2
T
A
= 2
5°C
V
SY
= ±1.5V
Figure 5. Input Offset Voltage Distribution
07671-035
TCV
OS
(µV
/°C)
NUMBER OF AMPLIFIERS
0
50
100
150
200
250
300
ADA4091-2
–40°C ≤ T
A
≤ +125°C
V
SY
= ±1.5V
–1 0
1 2 3 4 5 6
7
8
Figure 6. TCV
OS
Distribution
–150
–100
–50
0
50
100
150
200
250
300
350
–1.5
–1.0 –0.5 0 0.5 1.0 1.5
07671-033
V
CM
(V)
I
B
(nA)
ADA4091-2
V
SY
= ±1.5V
–40°C
+25°C
+85°C
+125°C
Figure 7. Input Bias Current vs. Common-Mode Voltage
0.1
0.001 0.01 0.1 1 10 100
1
10
100
10,000
1000
ADA4091-2
V
SY
= ±1.5V
07671-017
LOAD CURRENT (mA)
V
OUT
TO RAIL (mV)
V
OL
– V
SS
V
DD
– V
OH
Figure 8. Dropout Voltage vs. Load Current
–20
0
20
40
60
80
100
–20
0
20
40
60
80
100
GAIN
PHASE
1k 10k 100k 1M 10M
07671-007
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
PHASE (Degrees)
ADA4091-2
V
SY
= ±1.5V
R
L
= 1MΩ
C
L
= 35pF
Figure 9. Open-Loop Gain and Phase vs. Frequency
–20
–10
0
10
20
30
40
50
10 100 1k
10k 100k 1M 10M
ADA4091-2
V
SY
= ±1.5V
R
L
= 1MΩ
C
L
= 35pF
A
V
= 100
A
V
= 10
A
V
= 1
07671-010
FREQUENCY (Hz)
CLOSED-LOOP GAIN (dB)
Figure 10. Closed-Loop Gain vs. Frequency