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Part Number: MX829
Description: The MX829 is a low voltage CMOS integrated circuit, designed to provide baseband audio and system sign...
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MX829
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DataSheet
General Description
MX829 General Description
The MX829 is a low voltage CMOS integrated circuit, designed to provide baseband audio and system signal-processing functions required for LMR/PAMR/PMR trunked radio applications. The MX829 operates in half-duplex mode under the serial-bus control of a host C.
The MX829 incorporates a dual-rate 1200/2400bps MSK modem, with a software-flexible choice of synchronization codewords, data run-length and CRC checking to suit a wide range of applications. These features allow very flexible handling of user defined data on traffic channels in addition to the network signaling sent on control channels. A 16 character DTMF encoder is available in the transmit mode. Software programmable output level-adjustment facilitates two-point modulation circuits.
The audio processing stages include transmit and receive filtering (based on standards specified for 12.5kHz and 25kHz LMR/PAMR/PMR channel operation), transmit deviation limiting, and a programmable Rx volume control. Power saving is automatic when audio functions are disabled.
The MX829 is designed for use in radios compatible with MPT1327, PAA1382 and ETS 300 086 Trunking Standards.
The features and flexibility of the MX829 ensure that it is equally suitable for use with modified or proprietary standards.
The MX829 is available in the following packages: 24-pin SSOP (MX829DS), 24-pin SOIC (MX829DW), and 24-pin PDIP (MX829P).
MX829 Maximum Ratings
| General | Notes |
Min. |
Typ. |
Max. |
Units |
| Supply (VDD - VSS) |
-0.3 |
7.0 |
V | ||
| Voltage on any pin to VSS |
-0.3 |
VDD + 0.3 |
V | ||
| Current | |||||
| VDD |
-30 |
30 |
mA | ||
| VSS |
-30 |
30 |
mA | ||
| Any other pin |
-20 |
20 |
mA | ||
| DW / P Package | |||||
| Total Allowable Power Dissipation at TAMB = 25 |
800 |
mW | |||
| Derating above 25 |
10 |
13 |
mW/ above 25 | ||
| Storage Temperature |
-40 |
85 |
|||
| Operating Temperature |
-40 |
85 |
|||
| DS Package | |||||
| Total Allowable Power Dissipation at TAMB = 25 |
550 |
mW | |||
| Derating above 25 |
9 |
mW/ above 25 | |||
| Storage Temperature |
-40 |
85 |
|||
| Operating Temperature |
-40 |
85 |
Exceeding these maximum ratings can result in damage to the device.
MX829 Features
` Rx Audio Processing
` Tx Audio Processing
` 1200/2400 Baud Modem
` DTMF Encoder
` Low Voltage Operation
` "C-BUS" Compatible
` Host C Interface
` Tx Audio Processing
` 1200/2400 Baud Modem
` DTMF Encoder
` Low Voltage Operation
` "C-BUS" Compatible
` Host C Interface
MX829 Typical Application
· ETS/MPT/PAA Standards Compatible
· LMR/PAMR/PMR Trunked Systems
· Multi-standard Modem Formats
· LMR/PAMR/PMR Trunked Systems
· Multi-standard Modem Formats
MX829
PDF/DataSheet Download
- Datasheet: MX829
- File Size: 285240 KB
- Manufacturer: CMLMICRO [CML Microcircuits]
- Click here to Download
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MX829 Relative Products
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MX812
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MX809
The MX809 is an intelligent, half-duplex 1200-baud MSK Modem, which operates under C-BUS control. This modem provides software selectable checksum generation and error checking in accordance with MPT1327.In TX Mode the MX809 will:1. a) Accept from the host a...
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