TEA1062NG-D16-T View Datasheet(PDF) - Unisonic Technologies

Part Name

Description

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TEA1062NG-D16-T

LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE

Unisonic Technologies 

TEA1062N/TEA1062AN

LINEAR INTEGRATED CIRCUIT

„ ELECTRICAL CHARACTERISTICS(Cont.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

DUAL-TONE MULTI-FREQUENCY INPUT DTMF (PIN 11)

Input Impedance

∣Zi∣

Voltage Gain From DTMF to LN

Gv ILINE =15mA, R7=68kΩ

24

Gain Variation With Frequency

at f=300Hz and f=3400Hz

ΔGvf w.r.t.800Hz

Gain Variation With Temperature

at -25°C and +75°C

ΔGvT w.r.t.25°C, ILINE =50mA

GAIN ADJUSTMENT GAS1 AND GAS2 (PINS 2 AND 3)

Gain Variation Of The Ransmitting

Amplifier By Varying R7 Between

GAS1 And GAS2

ΔGv

-8

Sending Amplifier Output LN (pin 1)

Output Voltage

VLN(rms)

ILINE =15mA, THD=10%

ILINE =4mA, THD=10%

1.7

ILINE =15mA; R7=68kΩ; 200Ω

Noise Output Voltage

VNO(rms) between MIC- and MIC+;

psophometrically weighted

RECEIVING AMPLIFIER INPUT IR (PIN 10)

Input Impedance

∣Zi∣

RECEIVING AMPLIFIER OUTPUT QR (PIN 4)

Output Impedance

∣ZO∣ ILINE =15mA; RL(from pin 9 to pin

Voltage Gain From IR To QR

Gv 4 )=300Ω

29.5

Gain Variation With Frequency

at f=300Hz and f=3400Hz

ΔGvf w.r.t.800Hz

Gain Variation With Temperature

at-25°C and +75°C

ΔGvT w.r.t.25°C without R6 ILINE =50mA

Output Voltage

Noise Output Voltage

THD=2%

THD=10%

sinwave drive,

RL=150Ω

Ip=0mA, R4=100kΩ;

VO(rms) ILINE =15mA

RL=450Ω

R4=100kΩ

ILINE =4mA

RL=150Ω

ILINE=15mA, R4=100kΩ, IR open –

VNO(rms) circuit psophometrically weighted

RL=300Ω

0.22

0.3

GAIN ADJUSTMENT GAR (PIN 5)

Gain Variation Of Receiving

Amplifier Achievable By

ΔGv

-11

Varying R4 Between GAR And QR

MUTE INPUT (PIN 12)

Input Voltage(HIGH)

VIH

1.5

Input Voltage(LOW)

VIL

Input Current

IMUTE

REDUCTION OF GAIN

MIC+ Or MIC- To LN TEA1062N

TEA1062AN

ΔGv MUTE=HIGH

MUTE=LOW

Voltage Gain From DTMF To QR

Gv R4=100kΩ, RL=300Ω

TYP

20.7

25.5

±0.2

±0.2

2.3

0.8

-69

21

4

31

±0.2

±0.2

0.33

0.48

15

50

8

70

-19

MAX

27

0

32.5

0

VCC

0.3

15

UNIT

kΩ

dB

dB

dB

dB

V

V

dBmp

kΩ

Ω

dB

dB

dB

V

V

mV

μV

dB

V

V

μA

dB

dB

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

5 of 13

QW-R108-011.C

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