MCP47CMB21 datasheet(8/124 Pages) MICROCHIP

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MCP47CXBXX

DS20006089B-page 8

 2018-2019 Microchip Technology Inc.

DC CHARACTERISTICS (CONTINUED)

Standard Operating Conditions (unless otherwise specified):

Operating Temperature: -40°C

 TA  +125°C (Extended)

All parameters apply across the specified operating ranges unless noted.

VDD = +2.7V to 5.5V, VREF = +1.000V to VDD, VSS =0V, RL =2 k from VOUT to GND, CL = 100 pF.

Typical specifications represent values for VDD = 5.5V, TA = +25°C.

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Resistor Ladder

Resistance(6)

63.9

78.1



VRxB:VRxA = 10,

VREF =VDD

Resolution (# of resistors

and # of taps),

(see C.1 “Resolution”)

256

Taps

8-bit No missing codes

1024

Taps

10-bit No missing codes

4096

Taps

12-bit No missing codes

Nominal VOUT Match(10)

|VOUT – VOUTMEAN|/

VOUTMEAN

—

0.016

0.300

1.8V

 VDD  5.5V(2)

VOUT Tempco(2)

(see C.19 “VOUT

Temperature Coefficient”)

VOUT/T

—

ppm/°C Code = Mid-Scale,

VRxB:VRxA = 00, 10 and 11

VREF Pin Input Voltage

Range(1)

VREF

VSS

—VDD

V1.8V

 VDD  5.5V

Note 1

This parameter is ensured by design.

Note 2

This parameter is ensured by characterization.

Note 6

Resistance is defined as the resistance between the VREF pin (mode VRxB:VRxA = 10) to the VSS pin.

For dual channel devices (MCP47CXBX2), this is the effective resistance of each resistor ladder. The

resistance measurement is one of the two resistor ladders measured in parallel.

Note 10

Variation of one output voltage to mean output voltage for dual devices only.

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