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Rainbow Electronics MAX5121 User Manual

Page 3

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MAX5120/MAX5121

+3V/+5V, 12-Bit, Serial Voltage-Output DACs

with Internal Reference

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3

ELECTRICAL CHARACTERISTICS—MAX5120 (+5V) (continued)

(V

DD

= +5V ±10%, OS = AGND = DGND = 0V, 33nF capacitor at REFADJ, internal reference, R

L

= 5k

, C

L

= 100pF, T

A

= T

MIN

to

T

MAX

, unless otherwise noted. Typical values are at T

A

= +25°C.)

To ±0.5LSB, V

STEP

= 4V

CS = V

DD

, f

SCLK

= 100kHz,

V

SCLK

= 5Vp-p

CONDITIONS

µA

3

20

I

SHDN

Power-Supply Current in Shutdown

µA

500

600

I

DD

Power-Supply Current (Note 5)

V

4.5

5.5

V

DD

Power-Supply Voltage (Note 5)

nV-s

5

Digital Feedthrough

ms

2

Time Required to Exit Shutdown

k

83

121

R

OS

OS Input Resistance

µs

20

Output Settling Time

V

0 to V

DD

Output Voltage Swing (Note 4)

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

ELECTRICAL CHARACTERISTICS—MAX5121 (+3V)

(V

DD

= +3V ±10%, OS = AGND = DGND = 0V, 33nF capacitor at REFADJ, internal reference, R

L

= 5k

, C

L

= 100pF, T

A

= T

MIN

to

T

MAX

, unless otherwise noted. Typical values are at T

A

= +25°C.)

MAX5121A

REFADJ = V

DD

2.7V

V

DD

3.3V

MAX5121B

MAX5121B

MAX5121A

MAX5121A

Data = FFF hex, T

A

= +25°C

T

A

= +25°C

CONDITIONS

mV

200

V

HYS

Input Hysteresis

V

0.8

V

IL

Input Low Voltage

V

2.2

V

IH

Input High Voltage

µA

3.3

7

REFADJ Current

mA

4

Reference Short-Circuit Current

ppm/°C

10

TCV

REF

MAX5121B

3

0

I

OUT

100µA (sourcing)

Output Voltage Temperature
Coefficient

V

1.25

V

REF

Output Voltage

-1

1

µV/µA

0.1

1

Bits

12

N

Resolution

µV/V

20

250

PSRR

Power-Supply Rejection Ratio

ppm/°C

10

30

TCV

FS

LSB

3

10

V

OUT

/I

OUT

Full-Scale Temperature
Coefficient (Note 3)

V

2.0229

2.0475

2.0721

V

FS

Full-Scale Voltage

LSB

-1

1

DNL

Differential Nonlinearity

mV

-10

10

V

OS

Offset Error (Note 2)

-5

-0.2

5

Reference External Load Regulation

mV

GE

Gain Error

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

-2

2

INL

Integral Nonlinearity (Note 1)

V/µs

0.6

SR

Voltage Output Slew Rate

DYNAMIC PERFORMANCE

POWER REQUIREMENTS

STATIC PERFORMANCE

REFERENCE

DIGITAL INPUT