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Electrical characteristics (continued) – Rainbow Electronics MAX5139 User Manual

Page 3

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MAX5138/MAX5139

Low-Power, Single, 16-/12-Bit,

Buffered Voltage-Output DACs

_______________________________________________________________________________________

3

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DAC OUTPUT VOLTAGE (Note 2)

Output Voltage Range

No load

0.02

AVDD

- 0.02

V

DC Output Impedance

0.1

Ω

Series resistance = 0

Ω

0.2

nF

Maximum Capacitive Load
(Note 5)

C

L

Series resistance = 500

Ω

15

µF

Resistive Load

R

L

2

k

Ω

AVDD = 5.25V

±35

Short-Circuit Current

I

SC

AVDD = 2.7V

-40

±20

+40

mA

Power-Up Time

From power-down mode

25

µs

DIGITAL INPUTS (SCLK, DIN,

CS, LDAC) (Note 6)

Input High Voltage

V

IH

0.7 x

DVDD

V

Input Low Voltage

V

IL

0.3 x

DVDD

V

Input Leakage Current

I

IN

V

IN

= 0 or DVDD

-1

±0.1

+1

µA

Input Capacitance

C

IN

10

pF

DIGITAL OUTPUTS (

READY)

Output High Voltage

V

OH

I

SOURCE

= 3mA

DVDD

- 0.5

V

Output Low Voltage

V

OL

I

SINK

= 2mA

0.4

V

DYNAMIC PERFORMANCE

Voltage-Output Slew Rate

SR

Positive and negative

1.25

V/µs

Voltage-Output Settling Time

t

S

1/4 scale to 3/4 scale V

REFI

= AVDD = 5V

settle to ±2 LSB (Note 5)

5

µs

Digital Feedthrough

Code 0, all digital inputs from 0 to DVDD

0.5

nV•s

Major Code Transition Analog
Glitch Impulse

25

nV•s

Output Noise

10kHz

120

nV/

√Hz

Integrated Output Noise

1Hz to 10kHz

18

µV

ELECTRICAL CHARACTERISTICS (continued)

(V

AVDD

= 2.7V to 5.25V, V

DVDD

= 2.7V to 5.25V, V

AVDD

≥ V

DVDD

, V

AGND

= 0, V

REFI

= V

AVDD

- 0.25V, C

OUT

= 200pF, R

OUT

= 10kΩ,

T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

A

= +25°C.)