AD5428 datasheet(3/32 Pages) AD

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Data Sheet

AD5428/AD5440/AD5447

Rev. D | Page 3 of 32

SPECIFICATIONS1

VDD = 2.5 V to 5.5 V, VREF = 10 V, IOUT2 = 0 V. Temperature range for Y version: −40°C to +125°C. All speciications TMIN to TMAX, unless

otherwise noted. DC performance is measured with OP177, and ac performance is measured with AD8038, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Conditions

STATIC PERFORMANCE

AD5428

Resolution

Bits

Relative Accuracy

±0.25

LSB

Differential Nonlinearity

±1

LSB

Guaranteed monotonic

AD5440

Resolution

Bits

Relative Accuracy

±0.5

LSB

Differential Nonlinearity

±1

LSB

Guaranteed monotonic

AD5447

Resolution

Bits

Relative Accuracy

±1

LSB

Differential Nonlinearity

–1/+2

LSB

Guaranteed monotonic

Gain Error

±25

Gain Error Temperature Coefficient

±5

ppm FSR/°C

Output Leakage Current

±5

Data = 0x0000, TA = 25°C

±15

Data = 0x0000

REFERENCE INPUT

Reference Input Range

±10

VREFA, VREFB Input Resistance

kΩ

Input resistance TC = –50 ppm/°C

VREFA-to-VREFB Input

Resistance Mismatch

1.6

2.5

Typ = 25°C, max = 125°C

Input Capacitance

Code 0

3.5

Code 4095

3.5

DIGITAL INPUTS/OUTPUT

Input High Voltage, VIH

1.7

VDD = 3.6 V to 5.5 V

1.7

VDD = 2.5 V to 3.6 V

Input Low Voltage, VIL

0.8

VDD = 2.7 V to 5.5 V

0.7

VDD = 2.5 V to 2.7 V

Output High Voltage, VOH

VDD − 1

VDD = 4.5 V to 5.5 V, ISOURCE = 200 μA

VDD − 0.5

VDD = 2.5 V to 3.6 V, ISOURCE = 200 μA

Output Low Voltage, VOL

0.4

VDD = 4.5 V to 5.5 V, ISINK = 200 μA

0.4

VDD = 2.5 V to 3.6 V, ISINK = 200 μA

Input Leakage Current, IIL

μA

Input Capacitance

DYNAMIC PERFORMANCE

Reference-Multiplying BW

MHz

VREF = ±3.5 V p-p, DAC loaded all 1s

Output Voltage Settling Time

RLOAD = 100 Ω, CLOAD = 15 pF, VREF = 10 V

DAC latch alternately loaded with 0s and 1s

Measured to ±1 mV of FS

120

Measured to ±4 mV of FS

Measured to ±16 mV of FS

Digital Delay

Interface delay time

10% to 90% Settling Time

Rise and fall times, VREF = 10 V, RLOAD = 100 Ω

Digital-to-Analog Glitch Impulse

nV-sec

1 LSB change around major carry, VREF = 0 V

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