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SM7153

SAMHOP
Part Number SM7153
Manufacturer SAMHOP
Description ELECTRONIC VOLUME CONTROLLER
Published Jun 14, 2012
Detailed Description SM7153 SAMHOP Microelectronics Corp. ELECTRONIC VOLUME CONTROLLER FEATURES * 0dB to -66dB attenuation controlled by 2dB/...
Datasheet PDF File SM7153 PDF File

SM7153
SM7153

Overview
SM7153 SAMHOP Microelectronics Corp.
ELECTRONIC VOLUME CONTROLLER FEATURES * 0dB to -66dB attenuation controlled by 2dB/step * 2 channels built in * High voltage CMOS technology operating voltage range: VCC=6 ~ 12V PIN ASSIGNMENT Vss L-OUT1 L-IN1 A-GND L-IN2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD R-OUT1 R-IN1 A-GND R-IN2 R-OUT2 U/D OSC SM7153 APPLICATION Audio Equipment Volume Control.
L-OUT2 INH DCO BLOCK DIAGRAM VDD 16 VSS 1 INH 7 U/D 10 U/D 7 BITS CK BI-DIRECTIONAL SHIFT REGISTER INT U/D 6 BITS www.
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kr CK BI-DIRECTIONAL SHIFT REGISTER AUTO INITIALISE CIRCUIT INT OSC 9 OSC CONSTANT CURRENT CIRCUIT VDD 8 DCO L-OUT1 L-IN1 2 3 A-SW A-SW CK CK A-SW A-SW 15 14 R-OUT1 R-IN1 7bit LATCH CIRCUIT A-SW A-SW A-SW A-SW A-SW A-GND 4 L-IN2 5 A-SW A-SW A-SW A-SW A-SW A-SW L-OUT2 6 7bit LATCH CIRCUIT A-SW A-SW A-SW A-SW CK CK A-SW 13 A-GND R-IN2 CK 6bit LATCH CIRCUIT CK 6bit LATCH CIRCUIT A-SW A-SW A-SW A-SW A-SW A-SW 12 11 R-OUT2 Page 1 V.
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0 Datasheet pdf - http://www.
DataSheet4U.
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ELECTRONIC VOLUME CONTROLLER PIN DESCRIPTION Pin 2 15 3 14 4 13 5 12 6 11 7 Symbol L-OUT1 R-OUT1 L-IN1 R-IN1 A-GND L-IN2 R-IN2 L-OUT2 R-OUT2 INH Description 10dB/step attenuator outputs.
A signal applied to IN is attenuated in 7 steps from 0dB to 60dB at 10dB/step.
10dB/step attenuator inputs Analog ground terminal 2 dB/step attenuator inputs 2 dB/step attenuator inputs A signal applied to IN is attenuated in 5 steps from 0dB to 8dB at 2 dB/step.
www.
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kr Inhibit terminal.
When this terminal is at ' L ' level, all input/ output cut off and the SM7153 is placed in the inhibit state.
When at ' H ' level, the SM7153 operates normally.
DC current output for displaying attenuation.
C, R connecting terminal for the oscillator.
up/down speed of attenuation is decided by the attenuation up/down control oscillator according to this time constant.
Attenuation up/down control input terminal.
When this...


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