MCP3301T datasheet(3/38 Pages) MICROCHIP

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 2011 Microchip Technology Inc.

DS21700D-page 3

MCP3301

1.0

ELECTRICAL

CHARACTERISTICS

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

TAMB = -40°C to +85°C (Note 7). Conversion speed (FSAMPLE) is 100 ksps with FCLK = 17*FSAMPLE

Parameter

Symbol

Min

Typ

Max

Units

Conditions

Conversion Rate

Maximum Sampling Frequency

FSAMPLE

—

100

ksps

See

FCLK specifications (Note 8)

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

±2

LSB

MCP3301-B

MCP3301-C

Differential Nonlinearity

DNL

—

±0.5

±1

LSB

Monotonic with no missing codes 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

Power Supply Rejection

PSR

—

Note 4

Note

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

2: See characterization graphs that relate converter performance to VREF level.

3: VIN = 0.1V to 4.9V @ 1 kHz.

4: VDD = 5V DC ±500 mVP-P @ 1 kHz, see test circuit Figure 1-4.

5: Maximum clock frequency specification must be met.

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

7: MSOP devices are only specified at 25°C and +85°C.

8: For slow sample rates, see Section 5.2.1 “Maintaining Minimum Clock Speed” for limitations on clock frequency.

9: 4.5V - 5.5V is the supply voltage range for specified performance

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