MCP3304 datasheet(3/46 Pages) MICROCHIP

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DS21697E-page 3

MCP3302/04

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings †

VDD...................................................................................7.0V

All inputs and outputs w.r.t. VSS ............... -0.3V to VDD +0.3V

Storage temperature .....................................-65°C to +150°C

Ambient temp. with power applied ................-65°C to +125°C

Maximum Junction Temperature .................................. 150°C

ESD protection on all pins (HBM)

.....................................> 4kV

† Notice:

Stresses above those listed under “Maximum

ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of

the device at those or any other conditions above those

indicated in the operational listings of this specification

is not implied. Exposure to maximum rating conditions

for extended periods may affect device reliability.

ELECTRICAL SPECIFICATIONS

Electrical Characteristics:

Unless otherwise noted, all parameters apply at VDD = 5V, VSS = 0V, and VREF = 5V. Full differential

input configuration (Figure 1-5) with fixed common mode voltage of 2.5V. All parameters apply over temperature with

TA = -40°C to +85°C (Note 7). Conversion speed (FSAMPLE) is 100 ksps with FCLK = 21*FSAMPLE

Parameter

Symbol

Min

Typ

Max

Units

Conditions

Conversion Rate

Maximum Sampling Frequency

FSAMPLE

—

100

ksps

Note 8

—

ksps

VDD = VREF = 2.7V, VCM =1.35V

Conversion Time

TCONV

CLK

periods

Acquisition Time

TACQ

1.5

CLK

periods

DC Accuracy

Resolution

12 data bits + sign

bits

Integral Nonlinearity

INL

—

±0.5

±1

LSB

MCP3302/04-B

—

±1

±2

LSB

MCP3302/04-C

Differential Nonlinearity

DNL

—

±0.5

±1

LSB

Monotonic over temperature

Positive Gain Error

-3

-0.75

LSB

Negative Gain Error

-3

-0.5

LSB

Offset Error

-3

LSB

Dynamic Performance

Total Harmonic Distortion

THD

—

-91

—

Note 3

Signal-to-Noise and Distortion

SINAD

—

Note 3

Spurious Free Dynamic Range

SFDR

—

Note 3

Common Mode Rejection

CMRR

—

Note 6

Channel to Channel Crosstalk

—

> -110

—

Note 6

Power Supply Rejection

PSR

—

Note 4

Reference Inpu

Voltage Range

0.4

—

VDD

Note 2

Current Drain

—

100

150

µA

—

0.001

µA

CS = VDD = 5V

Note

This specification is established by characterization and not 100% tested.

See characterization graphs that relate converter performance to VREF level.

VIN = 0.1V to 4.9V @ 1 kHz.

VDD =5VP-P ±500 mV @ 1 kHz, see test circuit Figure 1-4.

Maximum clock frequency specification must be met.

VREF = 400 mV, VIN = 0.1V to 4.9V @ 1 kHz

TSSOP devices are only specified at 25°C and +85°C.

For slow sample rates, see Section 5.2 “Driving the Analog Input” for limitations on clock frequency.

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