Datasheet

Data Sheet ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4
Rev. E | Page 13 of 24
–10
–20
–30
–90
–80
–70
–60
–50
–40
0.01 0.1 1 10 100
CMRR (dB)
FREQUENCY (MHz)
08054-090
V
S
= 5V
Figure 43. CMRR vs. Frequency
–80
–70
–60
–50
–40
–30
–20
–10
0.01 0.1 1 10 100
PSRR (dB)
FREQUENCY (MHz)
+PSRR
–PSRR
Vs = 5V
G = +1
08054-054
Figure 44. PSRR vs. Frequency
08054-072
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
0.1
1
10
100 1k
CROSSTALK (dB)
FREQUENCY (MHz)
Vs = 5V
G = +2
R
L
= 1 kΩ
V
OUT
= 2V p-p
Figure 45. All-Hostile Crosstalk (Output-to-Output) vs. Frequency
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0.1 1
10 100 1k
FREQUENCY (MHz)
ISOLATION (dB)
08054-084
TSSOP
SOIC
V
S
= 5V
G = +2
R
L
= 150Ω
Figure 46. Forward Isolation vs. Frequency (ADA4891-3 Only)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
10
20
30
40
50
60
70
80 90
100
OUTPUT SATURATION VOLTAGE (V)
V
OH
, +125°C
V
OH
, +25°C
V
OH
, –40°C
V
OL
, +125°C
V
OL
, +25°C
V
OL
, –40°C
I
LOAD
(mA)
V
S
= 5V
G = –2
R
F
= 604Ω
08054-056
Figure 47. Output Saturation Voltage vs. Load Current and Temperature
3.0
3.5
4.0
4.5
5.0
5.5
6.0
–40
–20
0
20 40
60
80
100 120
QUIESCENT SUPPLY CURRENT (mA)
V
S
= 5V
TEMPER
ATURE (ºC)
08054-057
Figure 48. Supply Current per Amplifier vs. Temperature