NE5750N 데이터 시트보기 (PDF) - Philips Electronics

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NE5750N

Audio processor - companding and amplifier section

Philips Electronics 

Philips Semiconductors

Audio processor - companding and amplifier section

Product specification

NE/SA5750

DC ELECTRICAL CHARACTERISTICS

TA = 25oC, VCC = +5.0V, 0dB = 77.5mVRMS. See test circuit, Figure 6.

SYMBOL

PARAMETER

TEST CONDITIONS

VCC

Supply voltage

ICC

Supply current

No signal

Power down mode

ZL

Load impedance

pins NCANOUT, EXPOUT

COMPOUT1

ZIN

Input impedance

COMPIN, MICIN, SPKRIN

EXPIN2

Noise cancellation current4

Pin 7, grounded

VOS

DC offset NCANOUT3

NOTES:

1. Compressor is tested in production with 50kΩ load.

2. Not tested in production.

3. Offset values are identical for both gain states of noise reduction circuit.

4. VOX threshold resistor at Pin 7, R3, should be greater than 3kΩ.

LIMITS

MIN

TYP

MAX

4.75

5.0

5.25

8.4

12.0

1.8

3.0

50

10

40

50

60

2.0

2.5

40

50

60

-50

50

UNIT

V

mA

mA

kΩ

kΩ

kΩ

kΩ

µA

mV

AC ELECTRICAL CHARACTERISTICS

TA = 25oC, VCC = +5.0V, 0dB level = 77.5mVRMS. See test circuit, Figure 6.

SYMBOL

PARAMETER

TEST CONDITIONS

Preamplifier gain range

Preamplifier voltage gain 0dB

Preamplifier voltage gain 40dB

Preamplifier noise density

Switch amplifier gain

Sidetone attenuation range

Compandor 1kHz, all tests1

COMPOUT

COMPOUT

COMPOUT

COMPOUT

COMPOUT

EXPOUT

EXPOUT

EXPOUT

EXPOUT

EXPOUT

EXPOUT

EXPOUT

EXPOUT

Compressor error at -21dB output level

Compressor error at -10dB output level

Compressor error at 0dB output level

Compressor error at +5dB output level

Compressor error at +12.3dB output level

Expandor error at -42dB output level

Expandor error at -21dB output level

Expandor error at -10dB output level

Expandor error at 0dB output level

Expandor error at +10dB output level

Expandor error at +24.6dB output level2

Expandor VOS

Expandor output DC shift

Pin 2 open

Pin 2 AC ground

Pin 2 AC grounded

RS = 0 - 50kΩ

unweighted 20Hz-20kHz

weighted CCIR

DIN45405 20-20kHz

Input level = -42dB

Input level = -20dB

Input level = 0dB

Input level = +10dB

Input level = +24.6dB

Input level = -21dB

Input level = -10.5dB

Input level = -5dB

Input level = 0dB

Input level = +5dB

Input level = +12.3dB

No signal

No signal to 0dB

MIN

0

-1.0

39.0

9

-1.0

-1.5

-1.0

-1.0

-1.0

-1.0

-1.5

-1.0

-1.5

-50.0

-100

LIMITS

TYP

0

40

7

8

10

0.38

0.12

-0.41

-0.18

MAX

40

1.0

41.0

UNIT

dB

dB

dB

nVń ǸHz

11

dBǸ

30

dB

dB

1.0

dB

1.5

dB

1.0

dB

1.0

dB

dB

1.0

dB

1.0

dB

1.5

dB

1.0

dB

1.5

dB

50.0

mV

100

mV

1990 Aug 17

1046

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