SSM2142
300Ω
V
OUT
V
300
Ω
1
2
3
V
S
= 0V
4
8
7
6
5
300Ω
1
2
8
7
6
5
∆V
OUT
V
IN
300
Ω
+18V
–18V
V
CMR
= 10V p–p
600Ω
V
IN
= 10V p–p
3
4
+18V
–18V
600
Ω
V V
OUT
∆V
OUT
OCMR = 20 LOG
V
CMR
SBR = 20 LOG
Figure 1. Output CMR Test Circuit
Figure 2. Signal Balance Ratio (BBC Method) Test Circuit
Typical Performance Characteristics
140
120
T
A
= +25°C
V
S
= ±18V
∆V
S
= ±1V
100
–PSR
80
60
+PSR
12
T
A
= +25°C
V
S
= ±18V
R
L
= 600Ω
DIFF. MODE
0.1% DISTORTION
0.01% DISTORTION
6
POWER SUPPLY REJECTION – dB
OUTPUT VOLTAGE SWING – V rms
10
8
4
40
20
2
0
10
100
1k
FREQUENCY – Hz
10k
100k
0
10
20
30
FREQUENCY – kHz
50
100
Figure 3. Power Supply Rejection vs. Frequency
12
T
A
= +25°C
R
L
= 600Ω
Figure 4. Maximum Output Voltage Swing vs. Frequency
6.5
T
A
= +25°C
V
IN
= 0V
NO LOAD
5.5
OUTPUT VOLTAGE SWING – V rms
10
6.0
8
0.1% DISTORTION
6
SUPPLY CURRENT – mA
DIFF. MODE
FREQ. = 20kHz
5.0
4
4.5
2
4.0
0
±2
±6
±10
SUPPLY VOLTAGE – Volts
±14
±18
3.5
±2
±6
±10
SUPPLY VOLTAGE – Volts
±14
±18
Figure 5. Output Voltage Swing vs. Supply Voltage
Figure 6. Supply Current vs. Supply Voltage
REV. B
–3–
AD [ ANALOG DEVICES ]
