MCP3422A7-E/MS by Microchip Technology

18-Bit, 240SPS, Dual Channel ADC

Status: Active
Series: MCP3422
RoHS: Compliant
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The MCP3422 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 I2C™ compatible serial interface and operates from a single power supply ranging from 2.7V to 5.5V. The MCP3422 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. 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 MCP3422 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 MCP3422 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.

Where to Buy

Prices starting from US$2.74

Distributor Stock
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Newark
from US$2.95
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Avnet America
from US$3.78
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Microchip Technology
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RS Americas
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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
Extended temperature range: -40°C to +125°C

Specifications

Input Channels 2
Resolution 18
Pins | Packaging 8 | MSOP
Temp Range -40C to +125C
Packing Media Tube (100)

Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.0256
Shipping Weight (kg) 0.07
Lead Count 8
Package Type MSOP
Package Width or Size 3x3mm
Soldering Composition Matte Tin

Alternative Descriptions

18-Bit Delta-Sigma Adc, Dual Channel, 4Sps 8 Msop 3X3Mm Tube Rohs Compliant: Yes |Microchip MCP3422A7-E/MS | Newark Electronics
MSOP 18-bit delta-sigma ADC dual channel 4sps | Avnet America
Multi-channel 18-bit del-sig A/D converter. | Microchip Technology
18-bit delta-sigma ADC, dual channel, 4sps | Microchip Technology Inc. MCP3422A7-E/MS | RS Americas


Frequently Asked Questions

Where can I find additional details, specifications and documents for a MCP3422A7-E/MS?

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Is the MCP3422A7-E/MS RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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Authorised distributors including Newark Electronics, Avnet America, Microchip Technology and RS Americas have stock available or on a lead time for MCP3422A7-E/MS.

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