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DAC7634

SBAS134B – JULY 2004 – REVISED DECEMBER 2005

SPECIFICATIONS (continued)

At T

A = TMIN to TMAX, VDD = VCC = 5 V, VSS = –5 V, VREFH = 2.5 V, and VREFL = –2.5 V, unless otherwise noted

DAC7634E

DAC7634EB

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

MIN

TYP

MAX

ANALOG INPUT

Voltage output

VREFL

VREFH

VREFL

VREFH

V

VREF = –2.5 V, RL = 10 kΩ,

VSS = –5 V

Output current

– 1.25

1.25

1.25

1.25

mA

Maximum load capacitance

No oscillation

500

500

pF

Short-circuit current

–10, 30

–10, +30

mA

Short-circuit duration

GND or VCC or VSS

Indefinite

Indefinite

REFERENCE INPUT

VREFL

VREFL

Ref high input voltage range

2.5

2.5

V

+1.25

+1.25

VREFH

VREFH

Ref low input voltage range

–2.5

–2.5

V

– 1.25

– 1.25

Ref high input current

500

500

µA

Ref low input current

–500

–500

µA

DYNAMIC PERFORMANCE

Settling time

To ±0.003%, 5-V output step

8

10

8

10

µs

Channel-to-channel crosstalk

See Figure 5

0.5

0.5

LSB

Digital feedthrough

2

2

nV-s

Output noise voltage

f = 10 kHz

60

60

nV/

√Hz

7FFFH to 8000H or

DAC glitch

40

40

nV-s

8000H to 7FFFH

DIGITAL INPUT

VIH

0.7 × VDD

0.7 × VDD

V

VIL

0.3 × VDD

0.3 × VDD

V

IIH

±10

±10

µA

IIL

±10

±10

µA

DIGITAL OUTPUT

VOH

IOH = –0.8 mA

3.6

4.5

3.6

4.5

V

VOL

IOL = 1.6 mA

0.3

0.4

0.3

0.4

V

POWER SUPPLY

VDD

4.75

5.0

5.25

4.75

5.0

5.25

V

VCC

4.75

5.0

5.25

4.75

5.0

5.25

V

VSS

–5.25

–5.0

–4.75

–5.25

–5.0

–4.75

V

ICC

1.5

2

1.5

2

mA

IDD

50

50

µA

ISS

–2.3

–1.5

–2.3

–1.5

mA

Power

15

20

15

20

mW

3