MCP3002 — Datasheet Summary, Specs & Alternatives

01 — Overview

This Microchip datasheet covers the MCP3002, a 10-bit successive approximation analog-to-digital converter. It serves as a technical specification for sensor interfaces and data acquisition systems requiring high precision. Key parameters include 10-bit resolution with ±1 LSB DNL/INL, sampling rates up to 200 ksps at 5V, and an operating voltage range of 2.7V to 5.5V. The device features low power consumption with typical standby current of 5nA and active current of 375µA. It supports single-ended or pseudo-differential inputs via an SPI serial interface.

02 — Key specifications

Datasheet parameters

Parameter	Min	Typ	Max	Conditions
supply voltage range	2.7 V	—	5.5 V
operating temperature	-40 °C	—	85 °C
clock frequency	—	—	3.2 MHz	V_{DD} = 5V(Note 2)
adc resolution	—	10 bit	—
rise time	—	—	100 ns	See Test Circuits, Figure 1-2Note 1
fall time	—	—	100 ns	See Test Circuits, Figure 1-2Note 1
output voltage high	4.1 V	—	—	I_{OH} = -1mA, V_{DD} = 4.5V
output voltage low	—	—	400 mV	I_{OL} = 1mA, V_{DD} = 4.5V
sample rate	—	200 kHz	—
channel count	—	2	—

03 — Alternatives

Closest matches to MCP3002

MCP3004 1.1× higher clock frequency, similar adc resolution, similar fall time

AD7682BCBZ-RL7 1.6× higher adc resolution, 1.2× higher sample rate, 1.1× lower supply voltage range

ADS1255 6.7× lower sample rate, 5.1× lower output voltage high, 2.4× higher adc resolution

ADS1114 2.7× lower output voltage low, 1.9× higher operating temperature, 1.6× higher adc resolution

PCM1808 5.0× lower fall time, 5.0× lower rise time, 4.2× lower sample rate

ADS131M02 6.2× lower sample rate, 2.6× higher clock frequency, 2.4× higher adc resolution

ADS131M02IPWR 3.1× lower sample rate, 2.6× higher clock frequency, 2.4× higher adc resolution

AD7190BRUZ 2.4× higher adc resolution, 1.4× higher operating temperature, 1.2× higher supply voltage range

04 — FAQ

Frequently asked questions

What is the ADC resolution of the MCP3002?

The ADC resolution is 10 bit.

What is the channel count of the MCP3002?

The channel count is 2.

What is the clock frequency when V_{DD} = 5V (Note 2)?

The clock frequency is 3.2 MHz.

What is the fall time of the MCP3002?

The fall time is 100 ns, as specified in the Test Circuits, Figure 1-2Note 1.

What is the maximum operating temperature for the MCP3002?

The maximum operating temperature is 85 °C.

What is the output voltage high when I_{OH} = -1mA and V_{DD} = 4.5V?

The output voltage high is 4.1 V.

What is the maximum output voltage low for the MCP3002?

The output voltage low is 400 mV when I_{OL} = 1mA and V_{DD} = 4.5V.

What is the rise time of the MCP3002?

The rise time is 100 ns, as specified in the Test Circuits, Figure 1-2Note 1.