CXA2500M/N
Dual REC/PB Preamplifier
Description
CXA2500M
CXA2500N
The CXA2500M/N is a dual recording/playback pre-
amplifier system bipolar IC which has been developed
for the low voltage operating cassette tape recorder.
24 pin SOP (Plastic)
24 pin SSOP (Plastic)
Features
• Low quiescent current (VCC = 2V)
PB: ICC = 3.2mA (typ.)
REC: ICC = 5.2mA (typ.)
• Very few external parts
• Built-in Metal/Normal selection switch
• Small switching noise due to internal transient
muting
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
• Operating temperature Topr
• Storage temperature
VCC
7
V
°C
°C
–20 to +75
Tstg –65 to +150
• Allowable power dissipation PD
CXA2500M
Applications
600
470
mW
mW
3V headphone radio cassette recorders
CXA2500N
Structure
Operating Conditions
Bipolar silicon monolithic IC
Supply voltage PB
VCC
1.2 to 3.5
1.6 to 3.5
V
V
REC VCC
Bock Diagram
13
24
23
22
21
20
19
18
17
16
15
14
PB
PB/
REC
GCA
REC
MIC
LINE
AMP
AMP
AGC
NORM/
METAL
AGC
DET
REF
TAPE/
TUNER
LINE
–0.3dB
REC
20.5dB
10
GCA
22dB
MIC
6dB
12dB
PB
1
2
3
4
5
6
7
8
9
11
12
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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E94806B8Y
SONY [ SONY CORPORATION ]
