AD7564 datasheet(4/16 Pages) AD

4 / 16 page

REV. A

AD7564

–4–

Parameter

A Grade

Units

Test Conditions/Comments

DYNAMIC PERFORMANCE

Output Voltage Settling Time

3.5

µs typ

To 0.01% of Full-Scale Range. VREF = 0 V. DAC Latch Alter-

nately Loaded with all 0s and all 1s.

Digital to Analog Glitch Impulse

nV-s typ

Measured with VIOUT2 = 0 V and VREF = 0 V. DAC Register Alter-

nately Loaded with all 0s and all 1s.

Multiplying Feedthrough Error

–70

dB max

DAC Latch Loaded with all 0s.

Output Capacitance

100

pF max

All 1s Loaded to DAC

pF max

All 0s Loaded to DAC

Digital Feedthrough

nV-s typ

Feedthrough to Any DAC Output with FSIN HIGH and a Square

Wave Applied to SDIN and CLKIN

Total Harmonic Distortion

–76

dB typ

Output Noise Spectral Density

@ 1 kHz

nV/

√Hz typ All 1s Loaded to DAC. V

IOUT2 = 0 V; VREF = 0 V

(VDD = +3 V to +5.5 V; VIOUT1 = VIOUT2 = 1.23 V; AGND = 0 V. VREF = 1 kHz, 2.45 V p-p, sine wave biased at 1.23 V; DAC

output op amp is AD820; TA = TMIN to TMAX, unless otherwise noted. These characteristics are included for Design

Guidance and are not subject to test.)

Biased Mode

AC Performance Characteristics

Parameter

B Grade

Units

Test Conditions/Comments

DYNAMIC PERFORMANCE

Output Voltage Settling Time

550

ns typ

To 0.01% of Full-Scale Range. DAC Latch Alternately Loaded

with All 0s and All 1s

Digital-to-Analog Glitch Impulse

nV-s typ

Measured with VREF = 0 V. DAC Register Alternately Loaded

with All 0s and All 1s

Multiplying Feedthrough Error

–70

dB max

VREF = 20 V p-p, 10 kHz Sine Wave. DAC Latch Loaded

with All 0s

Output Capacitance

pF max

All 1s Loaded to DAC

pF max

All 0s Loaded to DAC

Channel-to-Channel Isolation

–76

dB typ

Feedthrough from Any One Reference to the Others with

20 V p-p, 10 kHz Sine Wave Applied

Digital Crosstalk

nV-s typ

Effect of All 0s to All 1s Code Transition on Nonselected DACs

Digital Feedthrough

nV-s typ

Feedthrough to Any DAC Output with FSIN High and Square

Wave Applied to SDIN and SCLK

Total Harmonic Distortion

–83

dB typ

VREF = 6 V rms, 1 kHz Sine Wave

Output Noise Spectral Density

@ 1 kHz

nV/

√Hz typ All 1s Loaded to the DAC. V

REF = 0 V. Output Op Amp Is

ADOP07

Normal Mode

(VDD = +4.75 V to +5.25 V; VIOUT1 = VIOUT2 = AGND = 0 V. VREF = 6 V rms, 1 kHz sine wave; DAC output op amp is

AD843; TA = TMIN to TMAX, unless otherwise noted. These characteristics are included for Design Guidance and are

not subject to test.)

AC Performance Characteristics

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