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CXA1597M

Recording Equalizer Amplifier for Stereo Cassette Decks

Sony Semiconductor 

CXA1597M/P

Electrical Characteristics

(Ta = 25°C, VCC = 7.0V, VEE = –7.0V)

Item

Conditions

Min. Typ. Max. Unit

Current consumption (ICC)

8.0 12.0 16.0 mA

Operating voltage range 1 (positive/

negative dual power supplies)

±5.0 ±7.0 ±8.0 V

Operating voltage range 2

(single power supply)

10.0 14.0 16.0 V

Recording equalizer amplifier

Recording reference output level

NORM-NORM mode

Recording equalizer amplifier reference output

level (315Hz) (This output level is the tape

reference 0dB which generates magnetic flux of

250nWb/m)

All of the recording equalizer amplifier blocks use

this level as their reference level.

–3.0

dBv

Recording equalizer amplifier

Recording reference input level

NORM-NORM mode

Input level when the reference output level is

315Hz, –3.0dBv

(For measurement, input a 315Hz, –18.5dBv

signal to the REC IN pins (Pins 4 and 13) and

then measure the output level.)

–20.0 –18.5 –17.0 dBv

NORM-NORM mode

REC-EQ frequency response 1

(3kHz, –20dB)

NORM-tape, NORM-speed mode

Input a 3kHz signal (–20dB level down) to the

REC IN pins and then measure the relative

deviation from NORM-NS, 315Hz mode.

–1.9 –0.4 1.1 dB

NORM-NORM mode

REC-EQ frequency response 2

(8kHz, –20dB)

NORM-tape, NORM-speed mode

Input a 8kHz signal (–20dB level down) to the

REC IN pins and then measure the relative

deviation from NORM-NS, 315Hz mode.

2.5 4.5 6.5 dB

NORM-NORM mode

REC-EQ frequency response 3

(12kHz, –20dB)

NORM-tape, NORM-speed mode

Input a 12kHz signal (–20dB level down) to the

REC IN pins and then measure the relative

deviation from NORM-NS, 315Hz mode.

7.3 10.3 13.3 dB

CrO2-NORM mode

REC-EQ frequency response 1

(3kHz, –20dB)

CrO2-tape, NORM-speed mode

Input a 3kHz signal (–20dB level down) to the

REC IN pins and then measure the relative

deviation from NORM-NS, 315Hz mode.

2.9 4.4 5.9 dB

CrO2-NORM mode

REC-EQ frequency response 2

(8kHz, –20dB)

CrO2-tape, NORM-speed mode

Input a 8kHz signal (–20dB level down) to the

REC IN pins and then measure the relative

deviation from NORM-NS, 315Hz mode.

7.1 9.1 11.1 dB

CrO2-NORM mode

REC-EQ frequency response 3

(12kHz, –20dB)

CrO2-tape, NORM-speed mode

Input a 12kHz signal (–20dB level down) from the

reference to the REC IN pins and then measure the

relative deviation from NORM-NS, 315Hz mode.

11.3

14.3

17.3 dB

METAL-NORM mode

REC-EQ frequency response 1

(3kHz, –20dB)

METAL-tape, NORM-speed mode

Input a 3kHz signal (–20dB level down) to the

REC IN pins and then measure the relative

deviation from NORM-NS, 315Hz mode.

3.9 5.4 6.9 dB

METAL-NORM mode

REC-EQ frequency response 2

(8kHz, –20dB)

METAL-tape, NORM-speed mode

Input a 8kHz signal (–20dB level down) to the

REC IN pins and then measure the relative

deviation from NORM-NS, 315Hz mode.

7.1 9.1 11.1 dB

–5–

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