DAC8426 datasheet(2/12 Pages) AD

2 / 12 page

Parameter

Symbol

Conditions

Min

Typ

Max

Units

STATIC PERFORMANCE

Resolution

Bits

Total Unadjusted Error

TUE

Includes Reference

A, E

± 1

LSB

B, F

± 2

LSB

Relative Accuracy

INL

A, E

±1/2

LSB

B, F

± 1

LSB

Differential Nonlinearity

DNL

± 1

LSB

Full-Scale Temperature Coefficient

TCGFS

Includes Reference

ppm/

°C

Zero Scale Error

VZSE

Zero Scale Error

Temperature Coefficient

TCVZS

Dual Supply

VSS = –5 V

µV/°C

REFERENCE OUTPUT

Output Voltage

VREFOUT

No Load

A, E

9.96

10.04

B, F

9.92

10.08

Temperature Coefficient

TCVREFOUT

ppm/

°C

Load Regulation

LDREG

∆I

L = 5 mA

0.02

0.1

%/mA

Line Regulation

LNREG

∆V

DD ± 10%

0.008

0.04

%/V

Output Noise

en rms

f = 0.1 Hz to 10 Hz

µV p-p

Output Current

IREFOUT

∆V

REFOUT < 40 mV

DIGITAL INPUTS

Logic Input “0”

VINL

0.8

Logic Input “1”

VINH

2.4

Input Current

IIN

VIN = 0 V or VDD

0.1

µA

Input Capacitance

CIN

POWER SUPPLIES

Positive Supply Current

IDD

614

Negative Supply Current

ISS

Dual Supply

VSS = –5 V

Power Dissipation

PDISS

210

Power Supply Sensitivity

PSS

∆V

DD = ± 5%

0.0002

0.01

%/%

REV. C

–2–

DAC8426–SPECIFICATIONS (V

DD = +15 V

10%, AGND = DGND = 0 V, VSS = 0 V, TA = –55 C to +125 C

applies for DAC8426AR/BR, TA = –40 C to +85 C applies for DAC8426ER/EP/FR/FP/FS, unless otherwise noted.)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

DAC OUTPUT

Output Current (Source)

IOUTSOURCE

Digital In = All Ones

Output Current (Sink)

IOUTSINK

Digital In = All Zeroes VSS = –5 V

350

450

µA

Minimum Load Resistance

RL(MIN)

Digital In = All Ones

Ω

DYNAMIC PERFORMANCE

VOUT Slew Rate

µs

VOUT Settling Time

± 1/2 LSB, R

L = 2 kΩ

µs

(Positive or Negative)

Digital Crosstalk

nVs

SWITCHING CHARACTERISTICS

Address To Write Setup Time

tAS

0ns

Address To Write Hold Time

tAH

0ns

Data Valid To Write Setup Time

tDS

Data Valid To Write Hold Time

tDH

Write Pulse Width

tWR

NOTES

1Includes Full-Scale Error, Relative Accuracy, and Zero Code Error. Note

± 1 LSB = ± 0.39% error.

2All devices guaranteed monotonic over the full operating temperature range.

3Guaranteed and not subject to production test.

4Digital inputs V

IN = VINL or VINH; VOUT and VREFOUT unloaded.

DISS calculated by IDD

× V

DD.

6Typicals represent measured characteristics at T

A = +25

°C.

Specifications subject to change without notice.

ELECTRICAL CHARACTERISTICS V

DD = +15 V

10%, AGND = DGND = 0 V, VSS = 0 V, TA = –55 C to +125 C applies for

DAC8426AR/BR, TA = –40 C to +85 C applies for DAC8426ER/EP/FR/FP/FS, unless otherwise noted.

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