MSM7547MS-K OKI [OKI electronic componets], MSM7547MS-K Datasheet

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MSM7547MS-K

Manufacturer Part Number
MSM7547MS-K
Description
Voice Signal Level Control LSI
Manufacturer
OKI [OKI electronic componets]
Datasheet
E2A0025-16-X0
¡ Semiconductor
GENERAL DESCRIPTION
The MSM7547 is an LSI for Audio Signal Level adjustment for telephone set, etc.
Conventionally, its circuit has been made within individual unit, such as amplifiers, resistors and
switches. However, using this LSI allows for simple mounting and economically small space.
FEATURES
Receiving system
• • • • • Built-in electrical volume
• • • • • For transmission voice, with side tone route available.
• • • • • Mute function available.
Transmitting system
• • • • • Built-in operational amplifier for transmission signal level adjustment.
• • • • • Mute function available.
• • • • • Single +5 V power supply
• • • • • Package:
APPLICATION
Cellular handset, cordless telephone and etc.
¡ Semiconductor
MSM7547
Voice Signal Level Control LSI
Digital control (3 bit / 8 step)
16-pin plastic SOP
(SOP16-P-300-1.27-K)
(Product name : MSM7547MS-K)
Previous version: Nov. 1996
This version: Jan. 1998
MSM7547
1/7

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MSM7547MS-K Summary of contents

Page 1

... Mute function available. • • • • • Single +5 V power supply • • • • • Package: 16-pin plastic SOP (SOP16-P-300-1.27-K) APPLICATION Cellular handset, cordless telephone and etc. This version: Jan. 1998 Previous version: Nov. 1996 (Product name : MSM7547MS-K) MSM7547 1/7 ...

Page 2

Semiconductor BLOCK DIAGRAM – RAUD + 200 kW SG ATT0 ATT1 ATT2 ATTE AO3 AN3 – MIC + 200 kW SG PIN CONFIGURATION (TOP VIEW connect pin 56 kW ATT – + ...

Page 3

Semiconductor PIN DESCRIPTION Pin No. Name I/O 1 TAUD O 2 AN2 — 4 RCV2 O 5 RCV1 — 7 RAUD I 8 GND — 9 ATT0 10 ATT1 I 11 ATT2 12 ...

Page 4

Semiconductor ABSOLUTE MAXIMUM RATINGS Parameter Power Supply Voltage Digital Input Voltage Analog Input Voltage Storage Temperature RECOMMENDED OPERATING CONDITIONS Parameter Operating Temperature Power Supply Voltage Analog Output Load Resistance 1 Analog Output Load Resistance 2 Symbol Min. V –0.3 ...

Page 5

Semiconductor ELECTRICAL CHARACTERISTICS DC Characteristics Parameter Symbol Power Supply Current I DD Low Level Input V IL Voltage High Level Input V IH Voltage Digital Input Leakage I IL Current I IH Analog Input V IA Voltage Level Analog ...

Page 6

... Semiconductor APPLICATION CIRCUIT Transmit voice data Receive voice data C3 In the Reverse Type C4 R3 Analog input In the Same Phase Type Analog input R6 C7 MSM7547MS-K TAUD 1 AN2 RCV2 4 RCV1 ATTE 5 NC ATT2 6 RAUD ATT1 7 GND ATT0 AO3 AN3 ...

Page 7

Semiconductor PACKAGE DIMENSIONS SOP16-P-300-1.27-K Mirror finish Notes for Mounting the Surface Mount Type Package The SOP, QFP, TSOP, SOJ, QFJ (PLCC), SHP and BGA are surface mount type packages, which are very susceptible to heat in reflow mounting and ...

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