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Part Number: MSM7532
Description: The MSM7532 is a baseband device with a modem function and a baseband voice signal processing function...
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MSM7532
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DataSheet
General Description
MSM7532 General Description
The MSM7532 is a baseband device with a modem function and a baseband voice signal processing function for analog cordless telephone. The voice signal transmitter in this IC consists of a high-pass filter, compressor, scrambler, pre-emphasis, limiter, and splatter filter.
The voice signal receiver consists of a bandpass filter, a de-scrambler , a de-emphasis, an expander,an electronic volume, and a ceramic receiver driving circuit.
The MODEM in this IC transmits and receives MSK (Minimum Shift Keying) modem signals.
MSM7532 Maximum Ratings
|
Parameter |
Symbol |
Condition |
Rating |
Unit |
| Power Supply Voltage |
VDD |
Ta = 25°C |
0.3 to 7 |
V |
| Analog Input Voltage *1 |
VIN |
0.3 to VDD + 0.3 | ||
| Digital Input Voltage *2 |
VID |
0.3 to VDD + 0.3 | ||
| Operating Temperature |
TOP |
- |
30 to 70 |
°C |
| Storage Temperature |
TSTG |
- |
55 to 150 |
*2: TVE, RVE, PDN, FDE, BYP, BR, EMP, VOL1, VOL2, PDRC, X2, SD, BIT, FPS, RCK1, RCK2, SEC,ME
MSM7532 Features
• Built-in ceramic receiver drive amplifiers
• The compander input reference level, limiter level, and modem transmit level are easy to be externally adjusted.
• Built-in 2-bit electronic volume
• A microphone amplifier and an amplifier available for users are built in.
• Mode settings using parallel interfaces
• Built-in compander dynamic range: 70 dB
• Built-in maximum gain limit circuit for expander
• The bit rate of MSK modem is switchable between 2400 bps and 1200 bps.
• Scrambler and emphasis can be used by serially connecting them or can be used separately with each other.
• Three kinds of the reverse frequency of the scrambler are selectable.
• The modem receiver functions detect bit synchronous signals and frame synchronous signals.
• Four-step power down modes
• Built-in crystal oscillation circuit
• Wide range of power supply (1.8 V to 5.5 V)
• Package:56-pin plastic QFP (QFP56-P-910-0.65-2K) (Product name : MSM7532GS-2K)
• The compander input reference level, limiter level, and modem transmit level are easy to be externally adjusted.
• Built-in 2-bit electronic volume
• A microphone amplifier and an amplifier available for users are built in.
• Mode settings using parallel interfaces
• Built-in compander dynamic range: 70 dB
• Built-in maximum gain limit circuit for expander
• The bit rate of MSK modem is switchable between 2400 bps and 1200 bps.
• Scrambler and emphasis can be used by serially connecting them or can be used separately with each other.
• Three kinds of the reverse frequency of the scrambler are selectable.
• The modem receiver functions detect bit synchronous signals and frame synchronous signals.
• Four-step power down modes
• Built-in crystal oscillation circuit
• Wide range of power supply (1.8 V to 5.5 V)
• Package:56-pin plastic QFP (QFP56-P-910-0.65-2K) (Product name : MSM7532GS-2K)
MSM7532 Connection Diagram
MSM7532
PDF/DataSheet Download
- Datasheet: MSM7532
- File Size: 169517 KB
- Manufacturer: OKI
- Click here to Download
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