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Sony Semiconductor Electronic Components Datasheet

CXA1898Q Datasheet

Recording/Playback Equalizer Amplifier

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CXA1898Q
Recording/Playback Equalizer Amplifier
Description
The CXA1898Q is an IC developed for analog
signal processing in tape recorders. Processing for
both the recording and playback systems is
achieved on one chip.
48 pin QFP (Plastic)
Features
Recording equalizer Gp and Fp can be adjusted
externally.
Recording mute function
AGC (Automatic Gain Control)
Comparator for AMS (Automatic Music Sensor)
Recording/playback equalizer amplifier with
1.7 times speed switching
11-bit serial data interface
Absolute Maximum Ratings
Supply voltage
VCC 12 V
Operating temperature
Topr –20 to +75 °C
Storage temperature
Tstg –65 to +150 °C
Allowable power dissipation PD
735 mW
Structure
Bipolar silicon monolithic IC
Applications
All analog signal processing in the cassette decks
of tape recorders and compact music centers
(Applicable to Sankyo Seiki mfg. Co., Ltd.
YK47R-KF202 R/P head or
equivalent)
Operating Conditions
Supply voltage
VCC 6.5 to 10.0 V
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.
–1–
E94329B78


Sony Semiconductor Electronic Components Datasheet

CXA1898Q Datasheet

Recording/Playback Equalizer Amplifier

No Preview Available !

Block Diagram and Pin Configuration (Top View)
CXA1898Q
36 35 34 33 32 31 30 29 28 27 26 25
IREF 37
PB OUT2 38
GND
10k
GND
24 CLK
23 LATCH
PB FB22 39
GND
210k
PB FB12 40
GND
PB INB2 41
GND
GND
PB INA2 42
GND
GND
PB INA1 43
GND
GND
PB INB1 44
GND
PB FB11 45
210k
GND
PB FB21 46
210k
70k
70k
70k
70k
210k
40k
AGC OFF
D8
DECK A/B
D10
SPEED
D9
B EQ
A EQ
SPEED
40k B EQ
D1 22 M2
GND
D2 21 M1
GND
D3 20
PL2
D4 GND 19 PL1
GND
D5 18 BPB
GND
D6 17 BPA
GND
D7 16 PB MUTE
GND
D9 15 SPEED
PB OUT1 47
D8 GND
D10 D11 14 R MUTE2
D9
AMS GAIN 48
AMS
10k
D11 GND13 R MUTE1
GND
GND
1 2 3 4 5 6 7 8 9 10 11 12
–2–


Part Number CXA1898Q
Description Recording/Playback Equalizer Amplifier
Maker Sony Corporation
Total Page 26 Pages
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Sony Corporation





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