GL6551
GL6551 is COMPANDER manufactured by SK Hynix.
Description
The GL6551 is a pander IC to expand dynamic range at transmission/reception systems and to improve the tone quality by means of restricting noise. Two functions are loaded on the IC, the one is the pressor which has the 2/1 ratio of input/output ratio by logarithm, and the expander which has the 1/w ratio input/ output ratio by logarithm. The GL6551equipped with input & filter Amp, DATA IN OUT terminal. The GL6551 is well suited for use in cellular radio MCA and handy telephone set, radio munication systems.
- Low operating supply voltage.
- Equipped with mute function and through function.
- Equipped with pressor MIC Amp and Expander INPUT Amp
- Equipped with Filter Buffer Amp
- Equipped with DATA IN OUT terminal.
- Operation Voltage (2.4 ~ 7.0V)
- Total gain (10~ 100d B)
Pin Configuration
FIL OUT FIL IN P OUT DATA IN C-ACF P RECT P NF P IN P REF GND
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
VCC EXP OUT EXP RECT DATA OUT EXP NF EXP IN EXP REF EXP MUTE THROUGH P MUTE
Features
Maximum Ratings
Parameter Supply Voltage Power Dissipation Storage Temperature symbol VCC, MAX PD.MAX TSTG Spec. 10 350 -5 ~ 125 Unit V m W ¡ É Remark
Operating Conditions
Parameter Operating Voltage Operating Temperature symbol VOP TOP Spec. 2.4 ~ 7 -30 ~ 70 Unit V ¡ É Remark
Block Diagram
C-ACF
DATA IN
P IN
30K 30K 100K 15K 100K MUTE 100K
P NF
7 2
+
- +
3.3K
51K
P IN GAIN CELL SUM AMP To VREF IDC To VREF TH S/W 15K RECTIFIER 20K
+ +
FILTER IN
100K
MIC-AMP...
