MAX1021 datasheet(4/40 Pages) MAXIM

4 / 40 page

10-Bit, Multichannel ADCs/DACs with FIFO,

Temperature Sensing, and GPIO Ports

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ELECTRICAL CHARACTERISTICS (continued)

(AVDD = DVDD = 2.7V to 5.25V, external reference VREF = 2.5V, fCLK = 3.6MHz (50% duty cycle), TA = -40°C to +85°C, unless

otherwise noted. Typical values are at AVDD = DVDD = 3V, TA = +25°C. Outputs are unloaded, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DAC

DC ACCURACY (Note 10)

Resolution

Bits

Integral Nonlinearity

INL

±0.5

±1

LSB

Differential Nonlinearity

DNL

Guaranteed monotonic

±0.5

LSB

Offset Error

VOS

±3

±10

Offset-Error Drift

±10

ppm of

FS/°C

Gain Error

±1.25

±10

LSB

Gain Temperature Coefficient

±8

ppm of

FS/°C

DAC OUTPUT

No load

0.02

AVDD -

0.02

Output Voltage Range

10k

Ω load to either rail

0.1

AVDD -

0.1

DC Output Impedance

0.5

Capacitive Load

(Note 11)

Resistive Load to AGND

AVDD = 2.7V, VREF = 2.5V, gain error < 1%

2000

From power-down mode, AVDD = 5V

Wake-Up Time (Note 12)

From power-down mode, AVDD = 2.7V

µs

Ω Output Termination

Programmed in power-down mode

100k

Ω Output Termination

At wake-up or programmed in

power-down mode

100

DYNAMIC PERFORMANCE (Notes 5, 13)

Output-Voltage Slew Rate

Positive and negative

V/µs

Output-Voltage Settling Time

To 1 LSB, 400 - C00 hex (Note 7)

µs

Digital Feedthrough

Code 0, all digital inputs from 0 to DVDD

0.5

nV•s

Major Code Transition Glitch

Impulse

Between codes 2047 and 2048

nV•s

From VREF

660

Output Noise (0.1Hz to 50MHz)

Using internal reference

720

µVP-P

From VREF

260

Output Noise (0.1Hz to 500kHz)

Using internal reference

320

µVP-P

DAC-to-DAC Transition

Crosstalk

0.5

nV•s

MAX1021 Datasheet(PDF) 4 Page - Maxim Integrated Products

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