TYPICAL PERFORMANCE CHARACTERISTICS
At T
A
= +25℃,V
CM
= Vs/2, R
L
= 600Ω, unless otherwise noted.
Output Impedance vs.Frequency
140
120
Output Impedance(
Ω
)
100
80
60
40
20
0
1
10
100
1000
Frequency(kHz)
10000
G = 100
G = 10
Vs = 2.7V
Closed-Loop Output Voltage Swing
3
2.5
Output Voltage(Vp-p)
2
1.5
1
0.5
0
10
100
1000
Frequency(kHz)
10000
Vs = 2.7V
V
IN
= 2.6V
P-P
T
A
= 25℃
R
L
= 10KΩ
G=1
G =1
Large-Signal Step Response
Vs = 2.7V
G = +1
C
L
= 100pF
R
L
= 10KΩ
Small-Signal Step Response
Vs = 2.7V
G = +1
C
L
= 100pF
R
L
= 10KΩ
Voltage(500mV/div)
Time(1µs/div)
Voltage(50mV/div)
Time(1µs/div)
Channel Separation vs.Frequency
140
Channel Separation(dB)
130
120
110
100
90
0.1
1
10
Frequency(kHz)
100
1000
V
S
= 2.7V
R
L
= 620Ω
T
A
= 25℃
G=1
1000
Voltage Noise(nV/
√
Hz)
Input Voltage Noise Spectral Density
vs.Frequency
Vs = 5V
100
10
1
10
100
1000
10000
Frequency(Hz)
７
SGM8631/2/3/4
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
