TEA1062NG-S16-R datasheet(5/13 Pages) UTC

5 / 13 page

TEA1062N/TEA1062AN

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 13

www.unisonic.com.tw

QW-R108-011.C

ELECTRICAL CHARACTERISTICS(Cont.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

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

Input Impedance

∣

Zi∣

20.7

Voltage Gain From DTMF to LN

ILINE =15mA, R7=68kΩ

25.5

Gain Variation With Frequency

at f=300Hz and f=3400Hz

ΔGvf

w.r.t.800Hz

0.2

Gain Variation With Temperature

at -25

°C and +75°C

ΔGvT

w.r.t.25

°C, ILINE =50mA

0.2

GAIN ADJUSTMENT GAS1 AND GAS2 (PINS 2 AND 3)

Gain Variation Of The Ransmitting

Amplifier By Varying R7 Between

GAS1 And GAS2

ΔGv

-8

ILINE =15mA, THD=10%

1.7

2.3

Sending Amplifier Output LN (pin 1)

Output Voltage

VLN(rms)

ILINE =4mA, THD=10%

0.8

Noise Output Voltage

VNO(rms)

ILINE =15mA; R7=68kΩ; 200Ω

between MIC- and MIC+;

psophometrically weighted

-69

dBmp

RECEIVING AMPLIFIER INPUT IR (PIN 10)

Input Impedance

∣

Zi∣

RECEIVING AMPLIFIER OUTPUT QR (PIN 4)

∣

ZO∣

Output Impedance

Voltage Gain From IR To QR

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

4 )=300

29.5

32.5

Gain Variation With Frequency

at f=300Hz and f=3400Hz

ΔGvf

w.r.t.800Hz

±0.2

Gain Variation With Temperature

at-25

°C and +75°C

ΔGvT

w.r.t.25

°C without R6 ILINE =50mA

±0.2

RL=150

0.22

0.33

THD=2%

sinwave drive,

Ip=0mA, R4=100k

Ω;

ILINE =15mA

RL=450

0.3

0.48

Output Voltage

THD=10%

VO(rms)

R4=100k

ILINE =4mA

RL=150

Noise Output Voltage

VNO(rms)

ILINE=15mA, R4=100kΩ, IR open –

circuit psophometrically weighted

RL=300

μV

GAIN ADJUSTMENT GAR (PIN 5)

Gain Variation Of Receiving

Amplifier Achievable By

Varying R4 Between GAR And QR

ΔGv

-11

MUTE INPUT (PIN 12)

Input Voltage(HIGH)

VIH

1.5

VCC

Input Voltage(LOW)

VIL

0.3

Input Current

IMUTE

μA

REDUCTION OF GAIN

TEA1062N

MUTE=HIGH

MIC+ Or MIC- To LN

TEA1062AN

ΔGv

MUTE=LOW

Voltage Gain From DTMF To QR

R4=100k

Ω, RL=300Ω

-19

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