Datasheet

AD8278/AD8279
Rev. C | Page 11 of 24
18
–36
–30
–24
–18
–12
–6
0
6
12
100 10M1M100k10k1k
GAIN (dB)
FREQUENCY (Hz)
GAIN = 2
GAIN = ½
08308-017
Figure 19. Gain vs. Frequency, +2.7 V Single Supply
120
100
80
60
40
20
0
11M100k10k1k10010
CMRR (dB)
FREQUENCY (Hz)
GAIN = 2
GAIN = ½
08308-018
Figure 20. CMRR vs. Frequency
120
100
80
60
40
20
0
11M100k10k1k10010
PSRR (dB)
FREQUENCY (Hz)
–PSRR
+PSRR
08308-019
Figure 21. PSRR vs. Frequency
+
V
S
–0.1
–0.2
–0.3
–0.4
–V
S
+0.1
+0.2
+0.3
+0.4
2116141210864
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
SUPPLY VOLTAGE (±V
S
)
8
T
A
= –40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
08308-020
Figure 22. Output Voltage Swing vs. Supply Voltage and Temperature,
R
L
= 10 kΩ
+
V
S
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–V
S
+0.2
+0.4
+0.6
+0.8
+1.0
+1.2
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
SUPPLY VOLTAGE (±V
S
)
T
A
= –40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
2116141210864
08308-021
8
Figure 23. Output Voltage Swing vs. Supply Voltage and Temperature,
R
L
= 2 kΩ
+
V
S
–4
–8
–V
S
+4
+8
OUTPUT VOLTAGE SWING (V)
REFERRED TO SUPPLY VOLTAGES
LOAD RESISTANCE ()
1k 100k10k
T
A
= –40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
08308-022
Figure 24. Output Voltage Swing vs. R
L
and Temperature, V
S
= ±15 V