AD5744R datasheet(6/32 Pages) AD | Complete Quad, 14-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC

6 page

AD5744R

Preliminary Technical Data

Rev. PrA | Page 6 of 32

AC PERFORMANCE CHARACTERISTIC

AVDD = 11.4 V to 16.5 V, AVSS = −11.4 V to −16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external;

DVCC = 2.7 V to 5.25 V, RLOAD = 10 kΩ, CL = 200 pF. All specifications TMIN to TMAX, unless otherwise noted. Guaranteed by design and

characterization, not production tested.

Table 2.

Parameter

B Grade

C Grade

Unit

Test Conditions/Comments

DYNAMIC PERFORMANCE1

Output Voltage Settling Time

μs typ

Full-scale step to ±1 LSB

μs max

μs typ

512 LSB step settling

Slew Rate

V/μs typ

Digital-to-Analog Glitch Energy

nV-s typ

Glitch Impulse Peak Amplitude

mV max

Channel-to-Channel Isolation

dB typ

DAC-to-DAC Crosstalk

nV-s typ

Digital Crosstalk

nV-s typ

Digital Feedthrough

nV-s typ

Effect of input bus activity on DAC

outputs

Output Noise (0.1 Hz to 10 Hz)

0.025

LSB p-p typ

Output Noise (0.1 Hz to 100 kHz)

μV rms max

1/f Corner Frequency

kHz typ

Output Noise Spectral Density

nV/√Hz typ

Measured at 10 kHz

Complete System Output Noise Spectral

Density2

nV/√Hz typ

Measured at 10 kHz

1 Guaranteed by design and characterization; not production tested.

2 Includes noise contributions from integrated reference buffers, 14-bit DAC and output amplifier.

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