3

®

DAC7641

DAC7641Y

DAC7641YB

PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

ACCURACY

Linearity Error(1)

±3

±4

±2

±3

LSB

Differential Linearity Error

±2

±3

±1

±2

LSB

Monotonicity, TMIN to TMAX

14

15

Bits

Zero Scale Error

±1

±3

TT

mV

Zero Scale Error Drift

5

10

TT

ppm/

°C

Full-Scale Error

±1

±3

TT

mV

Full-Scale Error Drift

5

10

TT

ppm/

°C

Power Supply Rejection Ratio (PSRR)

At Full Scale

10

100

TT

ppm/V

ANALOG OUTPUT

Voltage Output

VREFL = 0V, VSS = 0V, RL = 10kΩ

0VREFH

TT

V

Output Current

–1.25

+1.25

TT

mA

Maximum Load Capacitance

No Oscillation

500

T

pF

Short-Circuit Current

±30

T

mA

Short-Circuit Duration

GND or VCC

Indefinite

T

REFERENCE INPUT

Ref High Input Voltage Range

VREFL + 1.25

+2.5

TT

V

Ref Low Input Voltage Range

0

VREFH – 1.25

TT

V

Ref High Input Current

250

T

µA

Ref Low Input Current

–250

T

µA

DYNAMIC PERFORMANCE

Settling Time

To

±0.003%, 2.5V Output Step

8

10

TT

µs

Digital Feedthrough

2

T

nV-s

Output Noise Voltage, f = 10kHz

60

T

nV/

√Hz

DAC Glitch

7FFFH to 8000H or 8000H to 7FFFH

40

T

nV-s

DIGITAL INPUT

VIH

0.7 • VDD

T

V

VIL

0.3 • VDD

T

V

IIH

±10

T

µA

IIL

±10

T

µA

DIGITAL OUTPUT

VOH

IOH = –0.8mA

3.6

4.5

TT

V

VOL

IOL = 1.2mA

0.3

0.4

TT

V

POWER SUPPLY

VDD

+4.75

+5.0

+5.25

TTT

V

VCC

+4.75

+5.0

+5.25

TTT

V

VSS

000

TTT

V

ICC

0.4

0.5

TT

mA

IDD

15

T

µA

Power

1.8

2.5

TT

mW

TEMPERATURE RANGE

Specified Performance

–40

+85

TT

°C

T Specifications same as DAC7641Y.

NOTE: (1) If VSS = 0V specification applies at Code 0040H and above due to possible negative zero-scale error.

SPECIFICATIONS (Single Supply)

At TA = TMIN to TMAX, VDD = VCC = +5V, VSS = 0V, VREFH = +2.5V, and VREFL = 0V, unless otherwise noted.