UPC667 datasheet(7/12 Pages) NEC

7 / 12 page

µPC667

DC Characteristics and AC Characteristics (TA = –10 to +70 ˚C, DVCC = AVCC = +5

±0.25 V)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Resolution

RSL

Bit

Integral linearity error

ILE

TA = 0 to 60 ˚C, VREF = 4.0 V

–1.0

+1.0

LSB

Differential linearity error

DLE

TA = 0 to 60 ˚C, VREF = 4.0 V

–1.0

+1.0

LSB

Supply current

ICC

Set-up time

Hold time

1.5

Settling time

tSET

TA = 25 ˚C, RL = 375

Ω, VREF = 4.0 V

Output delay time

VREF = 4.0 V

Full-scale voltage output

Vofs

VREF = 4.0 V, RL > 100 k

Ω

4.95

5.0

Zero-scale voltage output

Vozs

VREF = 4.0 V, RL > 100 k

Ω

3.95

4.05

Output resistance

Zout

VREF = 4.0 V

100

Ω

Internal reference voltage output voltage

VROUT

AVCC = 5.0 V

3.8

4.0

4.2

Cautions 1.

As for the phase compensation capacitance, capacitor of 1

µF should be connected between

the phase compensation capacitance pin (COMP) and the power supply pin for analog circuit

(AVCC).

The internal reference voltage output pin (VROUT) and the reference voltage input pin (VREF)

should be shorted.

The power supply and GND lines for analog circuit (AVCC and AGND) and those for digital

circuit (DVCC and DGND) should be located as separately as possible.

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