參數(shù)資料
型號(hào)： CXA1498S
廠商： Sony Corporation
英文描述： Recording/Playback Equalizer Amplifier for Stereo Tape Recorder(立體聲錄音機(jī)的錄音/回放均衡放大器)
中文描述： 錄制/播放均衡器，放大器的立體聲磁帶錄音機(jī)（立體聲錄音機(jī)的錄音/回放均衡放大器）
文件頁(yè)數(shù)： 1/13頁(yè)
文件大?。?/td> 268K
代理商： CXA1498S
Description
The CXA1498S/M is a bipolar IC designed as
equalizer amplifier for tape redorder recording/
playback. This IC is particularly well-suited for double
cassette deck applications. An on-chip filter serves to
greatly reduce the number of external parts.
Features
Recording equalizer amplifier
×
2
(Monolithic filter eliminates the need for external
resonance circuit)
AGC (automatic gain control)
×
2
Playback equalizer amplifier
×
2
(Variable resistor eliminates the need for external
feedback resistor)
Electronic switch for playback head
(Changes between A and B decks)
Electronic switch for tape equalization
(120μs/70μs) (Independently for A and B decks)
Electronic switch for metal tapes
Electronic switch for normal/high speed dubbing
(Effective for both REC EQ and PB EQ)
Recording mute function
(Soft mute is possible through use of an external
time constant circuit)
DC controllable for fade IN/OUT
(Controls recording mute function)
Playback mixing output pin provided
(For tune selection)
Use of this IC simplifies the construction of double
cassette dubbing system
Block Diagram and Pin Configuration
(Top View)
Applications
Recording/playback equalizer amplifier, playback
mixing amplifier and AGC for analog stereo tape
recorders
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
(Ta = 25°C)
Supply voltage
Operating temperature
Storage temperature
Allowable power dissipation
V
CC
Topr
Tstg
12
V
–20 to +75
–65 to +150
°C
°C
P
D
SDIP
SOP
930
630
mW
mW
Recommended Operating Condition
Supply voltage
V
CC
4.5 to 10.0
V
– 1 –
CXA1498S/M
E91860C49-ST
Recording/Playback Equalizer Amplifier for Stereo Tape Recorder
For the availability of this product, please contact the sales office.
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.
CXA1498S
30 pin SDIP (Plastic)
CXA1498M
30 pin SOP (Plastic)
REC EQ
P
P
P
P
P
M
I
S
D
M
A
A
R
G
R
P
P
P
P
P
R
R
D
D
R
V
A
R
18
V
C
R
PB EQ
MUTE
REC EQ
REC EQ
PB FB1
1PB FB2
210k
A/B
DECK- A
DECK- B
PB IN2
PB IN1
OPB
A/B
210k
100k
PB FB2
PB FB1
PB IN2
PB IN1
DECK- A
DECK- B
I REF
SPEED
DECK
-B EQ
METAL
AGC
GND
REC
OUT
RFS
RFC
DA/B
DECK
REC
VG
AGC
REC
IN
V
CC
REC
MS
OUT
PB
OUT
AGC
TC
REC
IN
BIAS &
30k
30k
AGC DET
VGS
V
CC
GND
16
17
19
20
21
22
23
24
25
26
27
28
29
30
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
PB
PB
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