CXA1598S SONY [Sony Corporation], CXA1598S Datasheet

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CXA1598S

Manufacturer Part Number
CXA1598S
Description
Recording Equalizer Amplifier for Stereo Cassette Decks
Manufacturer
SONY [Sony Corporation]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CXA1598S
Manufacturer:
MAXIM
Quantity:
2 500
Part Number:
CXA1598S
Manufacturer:
SONY/索尼
Quantity:
20 000
Description
recording equalizer amplifier in analog cassette
decks. Incorporating the filter circuit has eliminated
the external inductor. Also, each of the six
parameters required for equalizer amplifiers can be
set independently with external resistance.
Features
• Inductor (coil) is unnecessary
• The six parameters (low frequency gain, medium
• Low frequency boost is possible with an external
• Built-in recording mute function
• Built-in 2 channels
• Small package
Applications
The CXA1598M/S is a bipolar IC developed for
frequency gain, peaking gain, medium frequency
compensation frequency, peaking frequency, and
Q) required for recording equalizer amplifiers can
be set independently with external resistance
capacitor
(requiring only an external time constant circuit to
implement soft mute)
Recording equalizer amplifier for stereo analog
cassette decks
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.
Recording Equalizer Amplifier for Stereo Cassette Decks
– 1 –
Structure
Absolute Maximum Ratings
• Supply voltage V
• Operating temperature
• Storage temperature
• Allowable power dissipation
Operating Conditions
Bipolar silicon monolithic IC
Power supply
24 pin SOP (Plastic)
CXA1598M/S
CXA1598M
Topr
Tstg
P
Dual power supplies (V
Single power supply (V
CC
D
(CXA1598S)
(CXA1598M)
22 pin SDIP (Plastic)
CXA1598S
–65 to +150
10.0 to 16.0
–20 to +75
±6.5 to 8.0
570
880
17
CC
CC
E95131A8Y
)
– V
EE
mW
mW
°C
°C
)
V
V
V

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CXA1598S Summary of contents

Page 1

... Operating temperature Topr • Storage temperature Tstg • Allowable power dissipation P (CXA1598M) D (CXA1598S) Operating Conditions Power supply Dual power supplies (V Single power supply (V – 1 – CXA1598S 22 pin SDIP (Plastic –20 to +75 °C –65 to +150 °C 570 mW 880 mW – ± ...

Page 2

... Block Diagram and Pin Configuration CXA1598M PARAMETER CXA1598S PARAMETER CONTROL CONTROL – 2 – BIAS REC EQ REC EQ VGS BIAS REC EQ REC EQ ...

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Pin Description Typical pin Pin No. voltage Symbol CXA CXA DC 1598M 1598S 1 fxQ f 1. CAL 4 2.5V 19 REC CAL ...

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Typical pin Pin No. voltage Symbol CXA CXA DC 1598M 1598S 6 REC MUTE 5. REC IN1 0.0V –18dBv 17 16 REC IN2 8 9 GND (VG) 0. BOOST1 0. BOOST2 I/O Z ...

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Typical pin Pin No. voltage Symbol CXA CXA DC 1598M 1598S –7. REC OUT1 0.0V –3.0dBv 13 12 REC OUT2 7. IREF 1.2V I/O Z (in) Equivalent circuit ...

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Typical pin Pin No. voltage Symbol CXA CXA DC 1598M 1598S 20 GH CAL 18 2. CAL 2.5V I/O Z (in) Equivalent circuit AC I — — 54k 20 (18) 21 (19) — I — – 6 ...

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Electrical Characteristics Item Current consumption ( Operating voltage range 1 (positive/negative dual power supplies) Operating voltage range 2 (single power supply) Recording reference output level Recording reference input level Signal handling (1kHz, THD = 1 2.7kΩ) ...

Page 8

Item GH-CAL = 5.0V RGH: 62k//220k, RGL • RGP: OPEN GH-CAL characteristics 1 RfM: 300k, Rf/Q: 18k, RfxQ: 12k (GH-CAL = 5.0V) Input a 6.3kHz signal (–20dB level down) and measure the amount of change compared to when the GH-CAL ...

Page 9

... RfM: 9.1k, Rf/Q: 18k, RfxQ: 12k RGH: 62k//220k, RGL • RGP: OPEN RfM: 300k, Rf/Q: 18k, RfxQ: 12k RGP: 36k//110k, RGL • RGH: OPEN RfM: 300k, Rf/Q: 47k//750k, RfxQ: 47k//620k Pins 8 and 17 (CXA1598M) Pins 7 and 16 (CXA1598S) – 9 – CXA1598M/S Min. Typ. Max. Unit –20 0 ...

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CXA1598M/S ...

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CXA1598M/S ...

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CXA1598M/S ...

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CXA1598M/S ...

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Description of Operation 1. Recording equalizer amplifier The primary features of the CXA1598 recording equalizer amplifier are that by taking full advantage of monolithic filter technology resonance circuit consisting of a coil and capacitor normally required for high ...

Page 17

Recording mute function The CXA1598 contains a built-in recording mute circuit which varies the recording equalizer amplifier gain according to the magnitude of the DC voltage applied to the REC MUTE pin just like an electronic volume control. Also, ...

Page 18

REC CAL REC CAL Fig. 4. Conceptual diagram of recording level/medium frequency equalizer amplifier/high frequency equalizer amplifier/fp peaking frequency calibration functions Control Voltage for Each Control Pin Pin voltage [V], referenced to DGND Pin Pin Name NO. 0.0 Reduce < ...

Page 19

... R19 R25 TYPEIV/I, II 70µs/120µs Fig. 6. For a single power supply – 19 – R44 27k GP R36 R35 R34 R33 CXA1598S R32 R31 R44 27k GP R36 R35 R34 R33 CXA1598S R32 R31 CXA1598M/S ...

Page 20

... Therefore, the resistors used for this purpose must be free of unevenness and have excellent temperature characteristics (e.g., a metallic film resistor). V 11pin (10pin) EE Negative power supply GND Pin Nos. in parentheses are those for the CXA1598S 2π • C • (9.53kΩ [Hz] • ...

Page 21

Example of Representative Characteristics RGL gain characteristics 20 V RGH OPEN 15 RGP OPEN RfM 9.1k 10 Rf/Q 18k Rf 5 0dB = 315Hz, –23dBv (–20dB 1kHz –5 –10 –15 –20 –25 1k 10k RGL [ ] ...

Page 22

Output level vs. Mute characteristics 1 100 ± RGL 36k//510k RGH 62k//220k RGP 36k//110k RfM 39k//910k Rf/Q 47k//750k 47k//620k 100% = 1kHz, +12dB (at 315Hz, –3dBv ...

Page 23

Total harmonic distortion ± RGL 36k//510k RGH 62k//220k RGP 36k//110k RfM 39k//910k Rf/Q 47k//750k Rf Q 47k//620k 0dB = –3dBv RL = 2.7k 315Hz 1.0 1kHz 3kHz 6.3kHz 10kHz 15kHz 0.1 –10 0 ...

Page 24

Output level vs. GH CAL voltage 6 3kHz 8kHz Setting 1 4 12kHz Setting 2 3kHz 2 0 –2 –4 –6 –2.0 –1.0 0.0 1.0 2.0 GH CAL pin voltage [V] Output level vs. GP CAL voltage 6 3kHz 8kHz ...

Page 25

REC CAL and GH CAL frequency response ± 0dB = 315Hz, –23dBv (–20dB), REC CAL CAL, GP CAL, FP CAL = 2.5V GH CAL 5.0V 2.5V 0. ...

Page 26

... Package Outline Unit: mm CXA1598M SONY CODE EIAJ CODE JEDEC CODE CXA1598S SONY CODE EIAJ CODE JEDEC CODE 24PIN SOP (PLASTIC) + 0.4 15.0 – 0 0.45 ± 0.1 1.27 ± 0.12 M PACKAGE STRUCTURE MOLDING COMPOUND SOP-24P-L01 LEAD TREATMENT LEAD MATERIAL SOP024-P-0300-A PACKAGE WEIGHT 22PIN SDIP (PLASTIC) + 0.4 19.2 – ...

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