GL6551 データシートの表示（PDF） - Hynix Semiconductor

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GL6551

COMPANDER

Hynix Semiconductor 

GL 6551

NO SYMBOL

FUNCTION

1 FILTER OUT Filter Amp Output Terminal.

2

FILTER IN

Filter Amp (+) Input Terminal.

Make a various kinds Filters.

3 COMP OUT Compressor Output Terminal.

Connected to (-) Input terminal of Compressor Output Amp

4

DATA IN

through resistor

Signal which is input to this terminal is output to COMP OUT

(Pin3). (not compress)

5

C-ACF

Coupling capacitor connect Terminal.

Determined Low cutoff frequency of Compressor block by capacitance.

Rectifing Capacitor external connect Terminal.

6 COMP RECT Determined Recovery time and Attack time of Compressor by

Capacitance.

Input resistor and decoupling capacitor of Compressor Mic Amp

7 COMP NF external connect Terminal. Determined Mic Amp Gain by resistor.

Max gain condition is not connect resistor.

8

COMP IN

Compressor Mic Amp (+) Input Terminal.

Same potential with COMP REF (Pin 9).

9 COMP REF Reference voltage of Compressor Internal Amp Output Terminal.

10

GND

Ground Terminal.

“L” state – Compressor Output Mute.

11 COMP MUTE Input signal of Data In terminal is output to COMP OUT (Pin3).

“H” state – open.

12

THROUGH

“L”state – Compressor and Expander Logalithm 1 (Constant Gain)

“H” state – open.

“L” state = Expander Output is muting.

13 EXP MUTE Data out to DATA OUT (Pin 17) Terminal.

“H” state – open.

14 EXP REF Reference voltage of Expander Internal Amp output Terminal.

15

EXP IN

Expander Input Amp (+) Input Terminal.

16

EXP NF Expander Input Amp (-) Input Terminal.

17 DATA OUT Expander Input Amp Input Terminal.

Rectifing capacitor external connect Terminal.

18 EXP RECT Determine Attack time and Recovery time of Expander by

Capacitance.

19 EXP OUT Expander Output Terminal.

20

Vcc

Power Supply.

4

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