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Electrical characteristics (continued) – Rainbow Electronics MAX5251 User Manual

Page 3

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MAX5251

+3V, Quad, 10-Bit Voltage-Output DAC

with Serial Interface

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(V

DD

= +3.0V to +3.6V, AGND = DGND = 0V, REFAB = REFCD = 1.25V, R

L

= 5k

, C

L

= 100pF, T

A

= T

MIN

to T

MAX

, unless otherwise

noted. Typical values are at T

A

= +25°C. Output buffer connected in unity-gain configuration (Figure 9).)

(Note 4)

(Note 3)

CS = V

DD

, DIN = 100kHz

V

REF

= 0.67Vp-p

Rail-to-rail (Note 2)

To ±1/2LSB, V

STEP

= 1.25V

V

IN

= 0V or V

DD

V

REF

= 1Vp-p at 25kHz, code = full scale

I

SINK

= 2mA

I

SOURCE

= 2mA

CONDITIONS

mA

0.82

0.98

I

DD

Supply Current

V

3.0

3.6

V

DD

Supply Voltage

nV-s

5

Digital Crosstalk

nV-s

5

Digital Feedthrough

µs

20

Start-Up Time Exiting
Shutdown Mode

µA

0

0.1

Current into FB_

V

0 to V

DD

Output Voltage Swing

µs

12

Output Settling Time

V/µs

0.6

SR

Voltage Output Slew Rate

V

0.13

0.4

V

OL

Output Low Voltage

V

V

DD

- 0.5

V

OH

Output High Voltage

kHz

650

Reference -3dB Bandwidth

pF

8

C

IN

Input Capacitance

µA

0.01

±1.0

I

IN

Input Leakage Current

V

0.6

V

IL

Input Low Voltage

dB

72

SINAD

Signal-to-Noise Plus
Distortion Ratio

V

2.0

V

IH

Input High Voltage

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

Input code = all 0s, V

REF

= 1.6Vp-p at 1kHz

dB

-84

Reference Feedthrough

(Note 4)

µA

3

20

Supply Current in Shutdown

µA

0.01

±1

Reference Current in Shutdown

Note 1:

Guaranteed from code 5 to code 1023 in unity-gain configuration.

Note 2:

Accuracy is better than 1LSB for V

OUT

= 6mV to V

DD

- 80mV, guaranteed by PSR test at the endpoints.

Note 3:

Remains operational with supply voltage as low as +2.7V.

Note 4:

R

L

=

, digital inputs at DGND or V

DD

.

R

L

=

µA

0.01

±1

OUT_ Leakage Current
in Shutdown

MULTIPLYING-MODE PERFORMANCE

DIGITAL INPUTS

DIGITAL OUTPUTS

DYNAMIC PERFORMANCE

POWER SUPPLIES