GL6962 Просмотр технического описания (PDF) - Hynix Semiconductor

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GL6962

Low Voltage Universal Speech Network

Hynix Semiconductor 

GL6962/GL6962A

SYMBOL

PARAMETER

CONDITION MIN TYP MAX UNIT

DTMF input (pin 11)

| Zi | Input impedance

- 22

-

k§ Ù

GV

Voltage gain from DTMF to LN

Iline = 15mA

24.0 25.5 27.0 dB

R7 = 68k§ Ù

¥ ÄGvf Gain variation with frequency referred to 800f = 300 and 3400 - ¡ ¾ -

dB

Hz

Hz

0.2

Gain adjustment input TGA1 and TGA2 (pin 2 and 3)

¥ ÄGv Transmitting amplifier gain variation by

-8 -

0

dB

adjustment of R7 between TGA1 and TGA2

Sending adjustment output LN (pin 1)

VLN(RMS) Output voltage (RMS value)

Vno(RMS) Noise output voltage

(RMS value)

THD = 10%

Iline = 4mA

Iline = 15mA

Iline = 15mA

R7 = 68 k§ Ù

- 0.8

1.7 2.3

- -69

-

-

V

V

- dBmp

200 § Ù between

MIC-

and MIC+;

psophometrically

weighted

Receiving amplifier input IR (pin 10)

| Zi | Input impedance

Receiving amplifier output QR (pin 4)

| Zo | Output impedance

GV

Voltage gain from IR to QR

- 22

-

k§ Ù

-

4

-

¥Ø

Iline = 15mA

RL =300 ¥ Ø

29.5 31.0 32.5 dB

(from pin 9 to

pin4)

¥ ÄGvf Gain variation with frequency referred to f = 300 and 3400 - ¡ ¾ -

dB

800Hz

Hz

0.2

6

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