CXA1897Q 查看數據表（PDF） - Sony Semiconductor

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CXA1897Q

Dolby B Type Noise Reduction System with Recording/Playback Equalizer

Sony Semiconductor 

CXA1897Q

Item

Conditions

Reference input level

Reference output level

S/N ratio

Signal handling

Total harmonic distortion

Output offset voltage

NORM-NORM mode

frequency characteristics

CrO2-NORM mode

frequency characteristics

METAL-NORM mode

frequency characteristics

NORM-HIGH mode

frequency characteristics

CrO2-HIGH mode

frequency characteristics

METAL-HIGH mode

frequency characteristics

Maximum muting amount

Muting characteristics

NORM-NORM, 315Hz

NORM-NORM, 315Hz

Rg=5.1k, "A"-WTG filter

NORM-NORM, RL=2.7kΩ, 1kHz, THD=1%

NORM-NORM, RL=2.7kΩ, 1kHz, 0dB

NORM-NORM

3kHz, –20dB

8kHz, –20dB

Against NORM-NORM

mode at 315Hz, –20dB

12kHz, –20dB

3kHz, –20dB

8kHz, –20dB

Against NORM-NORM

mode at 315Hz, –20dB

12kHz, –20dB

3kHz, –20dB

8kHz, –20dB

Against NORM-NORM

mode at 315Hz, –20dB

12kHz, –20dB

5kHz, –20dB

15kHz, –20dB

Against NORM-NORM

mode at 315Hz, –20dB

20kHz, –20dB

5kHz, –20dB

15kHz, –20dB

Against NORM-NORM

mode at 315Hz, –20dB

20kHz, –20dB

5kHz, –20dB

15kHz, –20dB

Against NORM-NORM

mode at 315Hz, –20dB

20kHz, –20dB

NORM-NORM mode, 1kHz, +8dB

NORM-NORM mode, 1kHz,

2.0V (MUTE pin voltage)

Min. Typ. Max. Unit

–29.4

—

57.0

8.0

—

3.6

–1.3

3.7

10.4

1.8

6.7

13.2

3.3

5.9

11.3

–0.7

8.3

13.5

3.6

12.0

17.0

4.9

10.5

14.7

—

–8.0

–27.9

–10.0

60.6

8.8

0.2

4.0

–0.2

5.7

13.4

3.0

8.4

15.8

4.5

7.4

13.7

0.2

10.5

16.7

4.9

14.2

20.0

6.1

12.4

17.4

–100

–5.6

–26.4

—

—

—

0.5

4.4

1.1

7.3

16.4

4.2

9.7

18.2

5.7

8.9

15.8

1.7

12.3

19.5

6.0

16.0

22.5

7.3

14.0

19.7

–80

–4.0

dBm

dBm

dB

dB

%

V

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

—11—

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