DUAL LOW NOISE EQUALIZER AMPLIFIER
S1A2221A02
1
INTRODUCTION
The S1A2221A02 is a monolithic integrated circuit consisting of
a 2-channel pre-amplifier in a 8-pin plastic single in line pack-
age. The minimum operating voltage is 2.5V, Making it suitable
for low voltage application.
FEATURES
Wide operating supply voltage: V
DD
= 2. 5V
-
6V
Low noise (V
HI
= 1.0
V: Typ)
High channel separation
Good ripple rejection ratio
Minimum number of external parts required
ORDERING INFORMATION
BLOCK DIAGRAM
Device
Package
Operating Temperature
S1A2221A02-I0U0
8-SlP
-
20
C
-
+70
C
8
-
SIP
INPUT1
NF1
OUTPUT1
V
CC
GND
OUTPUT2
NF2
INPUT2
1
2
3
4
5
6
7
8
AMP1
AMP2
S1A2221A02
DUAL LOW NOISE EQUALIZER AMPLIFIER
2
ABSOLUTE MAXIMUM RATINGS (Ta = 25
C)
ELECTRICAL CHARACTERISTICS
(Ta = 25
C, V
CC
= 4V, R
L
= 10k
, R
G
= 600
,
f = 1kHz, NAB, unless otherwise specified)
Characteristic
Symbol
Value
Unit
Supply Voltage
V
CC
7.5
V
Power Dissipation
P
D
200
mW
Operating Temperature
T
OPR
-
20
-
+70
C
Storage Temperature
T
STG
-
40
-
+125
C
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Quiescent Circuit Current
I
CCQ
V
I
= 0
-
2.0
6.0
mA
Open Loop Voltage Gain
G
VO
-
65
80
-
dB
Closed Loop Voltage Gain
G
VC
V
O
= 0.2V
33
35
37
dB
Output Voltage
V
O
THD = 1%
0.4
0.7
-
V
Total Harmonic Distortion
THD
V
O
= 0.2V
-
0.1
0.3
%
Input Resistance
R
I
-
-
150
-
k
Equivalent Input Noise Voltage
V
NI
R
G
= 2.2k
BW (
-
3dB) = 15Hz
-
30kHz
-
1.0
2.0
V
Cross Talk
CT
R
G
= 2. 2k
50
65
-
dB
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