LA2806M datasheet(2/11 Pages) SANYO

部件名	LA2806M

功能描述	Signal Processor and Power Amplifier IC for Telephone Answering Machines

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制造商	SANYO [Sanyo Semicon Device]

网页	https://www.sanyo-av.com/us/

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Operating Conditions at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Recomended supply voltage

VCC,P.VCC

5V

Operating supply voltage range

VCC op, P.VCC op

4.5 to 7.5

V

Recommended load resistance

RL

Power amplifier

8

Ω

Preamplifier input voltage

VIN

0 to 1.0

Vp-p

Operating Characteristics at Ta = 25°C, VCC =5 V,f=1kHz

Parameter

Symbol

Conditions

min

typ

max

Unit

Quiescent current

ICC

10

15

mA

[Preamplifier]

Voltage gain

VGC

–70 dBV input, measured between pins

5 and 8

57

59

61

dB

Total harmonic distortion

THD

–40 dBV input, measured between pins

5 and 8

0.5

1.0

%

ALC turnover input voltage

VALC

Measured between pins 5 and 8

–68

–64

–60

dBV

ALC output saturation voltage

VOS

–40 dBV input, measured between pins

5 and 8

400

500

625

mVrms

Equivalent input noise voltage

VNI

Input short circuited (internal 2.2 k

Ω

resistance)

1.5

5.0

µVrms

ALC range

ALC W

From ALC ON to THD = 1 %

40

45

dB

[Playback equalizer amplifier]

Voltage gain

VGE

–70 dBV input, measured between pins

2 and 8

57

59

61

dB

Total harmonic distortion

THD

–60 dBV input, measured between pins

2 and 8

0.5

1.5

%

Equivalent input noise voltage

VNI

Input short circuited (internal 2.2 k

Ω

resistance), Flat

1.5

5.0

µVrms

[Recording amplifier]

Voltage gain

VGR

50 k

Ω impedance connected to pin 1

ZAC, measured between pins 10 and 2

–7.0

–4.0

–1.0

dB

Output bias voltage

VB

100 k

Ω resistance connected to pin 1

ZDC, measured on pin 2

0.4

0.8

1.2

V

Total harmonic distortion

THD

–40 dBV preamplifier input

0.5

1.0

%

[LINE amplifier]: RL =1kΩ

Voltage gain

VGL

Measured between pins 10 and 22

–1

0

+1

dB

Maximum output voltage

VO max

Measured between pins 10 and 22,

THD = 1 %

0.6

Vrms

Total harmonic distortion

THD

–40 dBV preamplifier input

0.5

1.0

%

[Power amplifier]: RL =8kΩ, input pin 20

Voltage gain

VGP

–30 dBV input, measured between pins

20 and 17

26

28

30

dB

Output voltage

PO

THD=10 %

0.2

0.25

W

Total harmonic distortion

THD

PO = 100 mW

0.5

1.0

%

Input resistance

ri

10

15

20

k

Ω

Ripple rejection ratio

SVRR

Rg = 0, fr = 100 Hz, VCCr = –20 dBV

40

50

dB

Output noise voltage

VNO

Input short circuited, Flat

0.1

0.5

mVrms

[Voice-operated switch] Pin 25,R=20 k

Ω applied 5 V.

Sensitivity

VOXL

–23 dBV input, f = 800 Hz

0.3

V

VOXH

–27 dBV input, f = 800 Hz

4.5

5.0

V

Output ON voltage

V sat

2 V supplied to pin24

0.3

V

[Control pin voltage]

Pin 26 to 30

VH

Input high-level voltage

1.5 (or

VCC + 0.3)

V

VL

Input low-level voltage

0

0.8

V

Pin 24 (MUTE)

VH

Input high-level voltage, supplied via

diode

1.5

VCC–0.7

V

[VREF]

Output voltage

VREF

2.05

2.25

2.45

V

LA2806M

No. 3852 - 2/11

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