MCP47FXB2XT-EST datasheet(8/124 Pages) MICROCHIP

8 / 124 page

MCP47FXBX4/8

DS20006368A-page 8

 2020 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= +2.048V to VDD, VSS = 0V, Gx = 0, RL = 5 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

100

140

180



VRnB:VRnA = 10

VREF = VDD(6)

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(11)

|VOUT - VOUTMEAN|

/VOUTMEAN

—

0.5

1.0

2.7V

 VDD  5.5V(2)

—

1.2

1.8V(2)

VOUT Temperature

Coefficient (see C.19

“VOUT Temperature

Coefficient”)

VOUT/T

—

ppm/°C Code = Midscale

(7Fh, 1FFh or 7FFh)

VREF Pin Input Voltage

Range

VREF

VSS

—VDD

V1.8V

 VDD  5.5V(1)

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 VRnB:VRnA = 10) to VSS pin. For

octal-channel devices (MCP47FXBX8), this is the effective resistance of each resistor ladder. The

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

Note 11

Variation of one output voltage to mean output voltage.

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