MCP48FVB08 datasheet(17/112 Pages) MICROCHIP

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DS20006362A-page 17

MCP48FXBX4/8

1.1

Timing Waveforms and Requirements

1.1.1

WIPER SETTLING TIME

FIGURE 1-1:

VOUT Settling Time Waveforms.

1.1.2

LATCH PIN (LAT) TIMING

FIGURE 1-2:

LAT Pin Waveforms.

VOUT

±0.5 LSb

Old Value

New Value

TABLE 1-1:

WIPER SETTLING TIMING

Timing Characteristics

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 = +1.8V to 5.5V, 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

VOUT Settling Time; ±0.5 LSb

Error Band, CL = 100 pF

(see B.13 “Settling Time”)

—

7.8

—

µs

12-bit Code = 400h

 C00h; C00h  400h(1)

Note 1:

Within 1/2 LSb of the final value when the code changes from 1/4 to 3/4 of FSR.

LATx

SCK

tLAT

TABLE 1-2:

LAT PIN TIMING

Timing Characteristics

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, 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

LATx Pin Pulse Width

tLAT

—

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