MAX4540

Features: On-Chip Gain and Offset Divider Networks Provide 15-Bit Accurate Output RatiosOn-Chip V+ to GND and V+ to V- Divider Networks Provide 8-Bit Accurate Output RatiosR ON : 100Ω maxR ON Matching Between Channels: 6Ω maxCharge Injection: 5pC maxLow 0.1nA Off Leakage CurrentSmall 2...

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SeekIC No. : 004410687 Detail

MAX4540: Features: On-Chip Gain and Offset Divider Networks Provide 15-Bit Accurate Output RatiosOn-Chip V+ to GND and V+ to V- Divider Networks Provide 8-Bit Accurate Output RatiosR ON : 100Ω maxR ON ...

floor Price/Ceiling Price

Part Number:
MAX4540
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: 2024/11/27

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Product Details

Description



Features:

On-Chip Gain and Offset Divider Networks Provide 15-Bit Accurate Output Ratios
On-Chip V+ to GND and V+ to V- Divider Networks Provide 8-Bit Accurate Output Ratios
R ON : 100Ω max
R ON  Matching Between Channels: 6Ω max
Charge Injection: 5pC max
Low 0.1nA Off Leakage Current
Small 20-Pin SSOP/SO/DIP Packages



Application

Battery-Operated EquipmentAvionics Data-Acquisition SystemsAudio-Signal Routing Test EquipmentNetworking


Pinout

  Connection Diagram


Specifications

V+ to GND................................................................-0.3V to +13V
V- to GND.................................................................-13V to +0.3V
V+ to V-...................................................................-0.3V to +13V
CAL, LATCH, A_, EN, NO_, COM_,
REFHI, REFLO (Note 1)...........................(V- - 0.3V) to (V+ + 0.3V)
Continuous Current (any terminal)...................................±20mA
Peak Current, NO_ or COM_
(pulsed at 1ms, 10% duty cycle max)...............................±40mA
Continuous Power Dissipation (T A = +70°C)
SSOP (derate 8mW/°C above +70°C)............................640mW
Wide SO (derate 8mW/°C above +70°C).......................800mW
Plastic DIP (derate 10.53mW/°C above +70°C).............842mW
Operating Temperature Ranges
MAX4539C_P/MAX4540C_P..................................0°C to +70°C
MAX4539E_P/MAX4540E_P...............................-40°C to +85°C
Storage Temperature Range..........................-65°C to +160°C
Lead Temperature (soldering, 10sec)............................+300°C



Description

The MAX4539/MAX4540 low-voltage, CMOS 8-channel (MAX4539) and dual 4-channel (MAX4540) multiplexers are ideal for precision ADC calibration and system selfmonitoring applications. These calibration multiplexers (cal-muxes) have precision resistor-dividers to generate accurate voltage ratios from an input reference voltage. The reference ratios include 15/4096 and 4081/4096 of the external reference voltage, accurate to 15 bits, and 1/2V+ and 5/8(V+ - V-), accurate to 8 bits. The external reference voltage as well as ground can also be switched to the output. The MAX4539/MAX4540 have enable inputs and address latching. All digital inputs have 0.8V and 2.4V logic thresholds, ensuring both TTL- and CMOS-logic compatibility when using a ±5V or a single +5V supply. Protection diodes at all inputs provide an ESD rating >2kV.

The MAX4539/MAX4540 operate from a single +2.7V to +12V supply, or from dual supplies of ±2.7V to ±6V. On-resistance (100Ω max) is matched between switches to 6Ω max. Each switch can handle Rail-to-Rail® analog signals. The off leakage current is 0.1nA at  T A = +25°C and 2nA at T A = +85°C. 

The MAX4539/MAX4540 are available in small 20-pin DIP, SO, and SSOP packages.


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