The Microchip Technology Inc. MCP3021 is a successive approximation A/D converter with 10-bit resolution. Available in the SOT-23 package, this device provides one, single-ended input with very low power consumption. Based on an advanced CMOS technology, the MCP3021 provides a low maximum conversion current and standby current of 250 µA and 1 µA respectively. Low current consumption combined with the small SOT-23 package make this device ideal for battery powered and remote data acquisition applications. Communication to the MCP3021 is performed using a 2-wire I2C™Compatible compatible interface. Standard (100 kHz) and Fast (400 kHz) I2C™Compatible modes are available with the device. An on-chip conversion clock enables independent timing for the I2C™Compatible clock and the conversion clock. The device is also addressable allowing up to eight devices on a single 2-wire bus. The MCP3021 runs on a single supply voltage that operates over a broad range of 2.7 V to 5.5 V. This device also provides excellent linearity of ±1 LSB differential non-linearity and ±1 LSB integral non-linearity. Operating temperature range for this device is -40°C to +125°C.
Parameter Name Value
Max Sample Rate (ksamples/sec) 22
Max. INL ± (LSB) 1
Max. Supply Current (µA) 250
Input Type Single-ended
# of Input Channels 1
Resolution (bits) 10
Interface I²C™
Temp Range (°C) -40 to +125°C
Input Voltage Range (V) 2.7 to 5.5
Features
10-bit resolution
Single-ended input
I2C™ interface
Multiple address options
±1 LSB DNL
±1 LSB INL
22.3 ksps sample rate
-40 to +125°C temperature range
Small SOT-23 packaging
