MCP3423T-E/MF More Semiconductors - ICs by Microchip Technology

18-Bit, 240SPS, Dual Channel ADC

Status: Active
Series: MCP3423
RoHS: Compliant
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The MCP3423 is a two channel low-noise, high accuracy delta-sigma A/D converter with differential inputs and up to 18 bits of resolution. The on-board precision 2.048V reference voltage enables an input range of ±2.048V differentially. The device uses a two-wire IC™ compatible serial interface and operates from a single power supply ranging from 2.7V to 5.5V. The MCP3423 device performs conversions at rates of 3.75, 15, 60 or 240 samples per second depending on user controllable configuration bit settings using the two-wire I2C Compatible compatible serial interface. The IC address is user configurable with two address selection pins. This device has an onboard programmable gain amplifier (PGA). User can select the PGA gain of x1, x2, x4, or x8 before the analog-to-digital conversion takes place. This allows the MCP3423 device to convert a smaller input signal with high resolution. The device has two conversion modes: (a) Continuous mode and (b) One-Shot mode. In One-Shot mode, the device enters a low current standby mode automatically after one conversion. This reduces current consumption greatly during idle periods. The MCP3423 device can be used for various high accuracy analog-to-digital data conversion applications where ease of use, low power consumption and small footprint are major considerations.

Features

18-bit resolution
2-channel differential input operation
Differential input operation
On-board voltage reference with 15 ppm/°C drift
On-board PGA, gains of 1, 2, 4, 8
3.75 SPS (18 bits)
15 SPS (16 bits)
60 SPS (14 bits)
240 SPS (12 bits)
INL 10 ppm of FSR max
Low current consumption, 135 µA at 3V
One-shot or continuous conversion options
Supports I2Câ„¢ serial interface with user configurable addresses
Extended temperature range: -40°C to +125°C

Specifications

Input Channels 2
Resolution 18
Pins | Packaging 10 | DFN
Temp Range -40C to +125C
Packing Media Tape and reel (3300)

Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.0239
Shipping Weight (kg) 0.234849
Lead Count 10
Package Type DFN
Package Width or Size 3x3x0.9mm
Soldering Composition Matte Tin


Frequently Asked Questions

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