DAC8248FS datasheet(2/16 Pages) AD

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DAC8248

Parameter

Symbol

Conditions

Min

Typ

Max

Units

STATIC ACCURACY

Resolution

Bits

Relative Accuracy

INL

DAC8248A/E/G

±1/2

LSB

DAC8248F/H

±1

LSB

Differential Nonlinearity

DNL

All Grades are Guaranteed Monotonic

±1

LSB

Full-Scale Gain Error

GFSE

DAC8248A/E

±1

LSB

DAC8248G

±2

LSB

DAC8248F/H

±4

LSB

Gain Temperature Coefficient

(

∆Gain/∆Temperature)

TCGFS

(Notes 2, 3)

±2

±5

ppm/

°C

All Digital Inputs = 0s

Output Leakage Current

ILKG

TA = +25

°C

±5

±10

IOUT A (Pin 2), IOUT B (Pin 24)

TA = Full Temperature Range

±50

Input Resistance (VREF A, REF B)RREF

(Note 4)

Ω

Input Resistance Match

∆R

REF

RREF

±0.2

±1%

DIGITAL INPUTS

Digital Input High

VINH

VDD = +5 V

2.4

VDD = +15 V

13.5

Digital Input Low

VINL

VDD = +5 V

0.8

VDD = +15 V

1.5

Input Current (VIN = 0 V

TA = +25

°C

±0.001 ±1

µA

or VDD and VINL or VINH)IIN

TA = Full Temperature Range

±10

µA

Input Capacitance

CIN

DB0–DB11

(Note 2)

, LDAC, DAC A/DAC B,

LSB

/MSB, RESET

POWER SUPPLY

Supply Current

IDD

Digital Inputs = VINL or VINH

2mA

Digital Inputs = 0 V or VDD

100

µA

DC Power Supply Rejection Ratio

PSRR

∆V

DD = ± 5%

(

∆Gain/∆V

DD)

0.002

%/%

AC PERFORMANCE CHARACTERISTICS2

Propagation Delay

5, 6

tPD

TA = +25

°C

350

Output Current Setting Time

6, 7

TA = +25

°C1

µs

Output Capacitance

Digital Inputs = All 0s

COUT A, COUT B

Digital Inputs = All 1s

COUT A, COUT B

120

AC Feedthrough at

FTA

VREF A to IOUT A; VREF A = 20 V p-p

IOUT A or IOUT B

f = 100 kHz; TA = +25

°C

–70

FTB

VREF B to IOUT B; VREF B = 20 V p-p

f = 100 kHz; TA = +25

°C

–70

REV. B

–2–

DAC8248–SPECIFICATIONS

ELECTRICAL CHARACTERlSTICS (@ VDD = +5 V or +15 V; VREFA = VREFB = +10 V; VOUTA = VOUTB = 0 V; AGND = DGND = 0 V;

TA = Full Temp Range specified in Absolute Maximum Ratings; unless otherwise noted. Specifications apply for DAC A and DAC B.)

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