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MX839

Features: · 4 input intelligent 10 bit A/D monitoring subsystem4 High and 4 Low ComparatorsE×ternal IRQ GeneratorFree Running Operation· Three 8/10 bit DACs· Two Variable Attenuators· Selectable A/D Clock Frequencies· Full Control via 4-wire Serial Interface· Low Power 3.0 OperationApplication·PCS...

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SeekIC No. : 004431861 Detail

MX839: Features: · 4 input intelligent 10 bit A/D monitoring subsystem4 High and 4 Low ComparatorsE×ternal IRQ GeneratorFree Running Operation· Three 8/10 bit DACs· Two Variable Attenuators· Selectable A/D...

MX839 Data Sheet

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Part Number:
MX839
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

·  4 input intelligent 10 bit A/D monitoring subsystem
     4 High and 4 Low Comparators
      E×ternal IRQ Generator
      Free Running Operation
·  Three 8/10 bit DACs
·  Two Variable Attenuators
·  Selectable A/D Clock Frequencies
·  Full Control via 4-wire Serial Interface
·  Low Power 3.0 Operation


Application

·PCS, Cellular, LMR, Wireless Transceivers, and General Purpose
·Monitor and Control: RSSI, Battery State, Temperature, VSWR, and Error Voltages
·Digital Trim and Calibration: VCOs, TCXO, Power Output, Bias, Current, IF Gain, Deviation, Modulation Depth, and Baseband Gain


Specifications

General Notes
Min.
Max.
Units
Supply (VDD - VSS)(either AVDD or DVDD)
-0.3
7.0
V
Voltage on any pin to VSS
-0.3
VDD + 0.3
V
Current
AVDD
-30
30
mA
DVDD
-30
30
mA
VSS
-30
30
mA
Any other pin
-20
20
mA
AVDD - DVDD Note 1, 2
-100
100
mV
DW / P Package
Total Allowable Power Dissipation at TAMB = 25
800
mW
Derating above 25
13
mW/ above 25
Storage Temperature
-55
125
Operating Temperature
-40
85
DS Package
Total Allowable Power Dissipation at TAMB = 25
550
mW
Derating above 25
9
mW/ above 25
Storage Temperature
-55
125
Operating Temperature
-40
85



Description

The MX839 is a low power CMOS C peripheral device which provides digitally controlled calibration, trimming, and monitoring functions for PCS, cellular, LMR, wireless transceivers, and general purpose applications.

Featuring a four input intelligent 10 bit A/D monitoring subsystem, an interrupt generator, three 8/10 bit DACs, and two variable attenuator functions, the MX839 automatically monitors, produces, and trims up to nine analog signals via a simple four wire serial control bus.  The free running A/D intelligent monitoring subsystem includes independent high and low limit comparators for each of four analog input signals which can be configured to generate external C interrupts.

The MX839's high level of integration reduces end product parts count, component size, and software complexity.  MX839 digital trimming functions also reduce manufacturing costs by eliminating manual trimming operations.

Featuring an operating range of 3.0V to 5.5V the MX839 is available in 24-pin SSOP (MX839DS), 24-pin SOIC (MX839DW), and 24-pin PDIP (MX839P) packages.




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