ZN428E8 datasheet(3/9 Pages) ETC

Part #	ZN428E8

Description	8-BIT LATCHED INPUT D-A CONVERTER

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ZN428

ABSOLUTE MAXIMUM RATINGS

Supply voltage VCC

+7.0V

Max.voltage, logic and VREF inputs

+VCC

Operating temperature range

0

°C to +70°C (ZN428E8, ZN428D)

-55

°C to +125°C (ZN428J8)

Storage temperature range

-55

°C to +125°C

Analog ground to digital ground

±200mV

Parameter

Min.

Typ.

Max.

Units

Conditions

Internal Voltage Reference

Output voltage

2.475

2.550

2.625

V

Slope resistance

-

0.5

2

Ω

VREF OUT T.C.

-

50

-

ppm/

°C

Reference current

4

-

15

mA

Note 1

D-A Converter

Linearity error

-

±0.5

LSB

2.0V

≤V

REF IN ≤3.0V

Differential non-linearity

-

±0.5

-

LSB

Linearity error T.C.

-

±3

-

ppm/

°C

Differential non-linearity T.C.

-

±6

-

ppm/

°C

Offset voltage

-

2

5

mV

All bits off

Offset voltage T.C.

-

±6-

µV/°C

Full-scale output

2.545

2.550

2.555

Full-scale output T.C.

-

2

-

ppm/

°C

Analog output resistance

-

4

-

k

Ω

External reference voltage

0

-

3.0

V

Settling time to 0.5 LSB

-

800

1.25

-

ns

µs

1 LSB major transition

(Note 2)

All bits ON to OFF or

OFF to ON (Note 2)

Operating temperature range:

ZN428D and ZN428 E8

ZN428J8

0

-55

-

70

125

°C

Supply voltage (VCC)

4.5

5.0

5.5

V

Supply current

-

20

30

mA

Note 3

Power consumption

-

100

-

mW

Note 1: See REFERENCE

Note 2: RL = 10MΩ, CL = 10pF

Note 3: All inputs HIGH (VIH = 3.5V)

ELECTRICAL CHARACTERISTICS

(VCC = +5V, Tamb = 25°C unless otherwise speciﬁed)

RREF = 390Ω

CREF = 1µF

External reference

VREF IN = 2.560V,

all bits ON

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