TEA1062 데이터 시트보기 (PDF) - Contek Microelectronics

부품명

상세내역

제조사

TEA1062

LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE

Contek Microelectronics 

TEA1062/1062A LINEARINTEGRATED CIRCUIT

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

TEST CONDITIONS

Microphone inputs MIC+ and MIC- (pins 6 and 7)

Input impedance (differential)

between MIC- and MIC+

Input impedance ( sigle-ended)

MIC- or MIC+ to VEE

Common Mode Rejection Ratio

Voltage Gain

MIC+ or MIC- to LN

I line=15mA

R7=68k W

Gain Variation with Frequency

at f=300Hz and f=3400Hz

w.r.t.800Hz

Gain Variation with Temperature

at -25 C and +75 C

w.r.t.25 C

without R6;

I line=50mA

Dual-tone multi-frequency input DTMF (pin 11)

Input impedance

Voltage Gain from DTMF to LN

I line=15mA

R7=68k W

Gain Variation with Frequency

at f=300Hz and f=3400Hz

w.r.t.800Hz

Gain Variation with Temperature

at -25 C and +75 C

w.r.t.25 C

I line=50mA

Gain Adjustment GAS1 and GAS2 (pins 2 and 3)

Gain Variation of the Transmitting

Amplifier by Varying R7 between

GAS1 and GAS2

Sending Amplifier Output LN(pin 1)

Output Voltage

I line=15mA

THD=10%

I line=4mA

THD=10%

Noise output voltage

I line=15mA;

R7=68k W;

200 W between

MIC- and MIC+;

psophometrically

weighted

Receiving Amplifier Input IR (pin 10)

Input impedance

Receiving Amplifier Output QR (pin 4)

Output Impedance

Voltage gain from IR to QR

I line=15mA;

RL(from pin 9 to

pin 4 )=300 W

SYMBOL MIN TYP MAX UNIT

Zi

Zi

kCMR

64

kW

32

kW

82

dB

Gv

DGvf

50.5 52.0 53.5 dB

+-0.2

dB

DGvT

Zi

Gv

DGvf

+-0.2

dB

20.7

kW

24 25.5 27

dB

+-0.2

dB

DGvT

+-0.2

dB

DGv

-8

0

dB

VLN(rms) 1.7 2.3

V

VLN(rms)

0.8

V

VNO(rms)

Zi

Zo

-69

dBmp

21

kW

4

W

Gv

29.5 31 32.5 dB

Contek Microelectronics Co.,Ltd.

4

CONTEK

http://www.contek-ic.com E-mail:sales@contek-ic.com

Share Link: