AD5684R Просмотр технического описания (PDF) - Analog Devices

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AD5684R

Quad, 16-/14-/12-Bit nanoDAC+ with 2 ppm/°C Reference, SPI Interface

Analog Devices 

Data Sheet

AD5686R/AD5685R/AD5684R

AC CHARACTERISTICS

VDD = 2.7 V to 5.5 V; RL = 2 kΩ to GND; CL = 200 pF to GND; 1.8 V ≤ VLOGIC ≤ 5.5 V; all specifications TMIN to TMAX, unless otherwise

noted.1

Table 3.

Parameter2

Min

Typ

Max

Unit

Output Voltage Settling Time

AD5686R

5

8

µs

AD5685R

5

8

µs

AD5684R

5

7

µs

Slew Rate

0.8

V/µs

Digital-to-Analog Glitch Impulse

0.5

nV-sec

Digital Feedthrough

0.13

nV-sec

Digital Crosstalk

0.1

nV-sec

Analog Crosstalk

0.2

nV-sec

DAC-to-DAC Crosstalk

0.3

nV-sec

Total Harmonic Distortion4

−80

dB

Output Noise Spectral Density

300

nV/√Hz

Output Noise

6

µV p-p

SNR

90

dB

SFDR

83

dB

SINAD

80

dB

Test Conditions/Comments3

¼ to ¾ scale settling to ±2 LSB

¼ to ¾ scale settling to ±2 LSB

¼ to ¾ scale settling to ±2 LSB

1 LSB change around major carry

At ambient, BW = 20 kHz, VDD = 5 V, fOUT = 1 kHz

DAC code = midscale, 10 kHz; gain = 2

0.1 Hz to 10 Hz

At ambient, BW = 20 kHz, VDD = 5 V, fOUT = 1 kHz

At ambient, BW = 20 kHz, VDD = 5 V, fOUT = 1 kHz

At ambient, BW = 20 kHz, VDD = 5 V, fOUT = 1 kHz

1 Guaranteed by design and characterization, not production tested.

2 See the Terminology section.

3 Temperature range is −40°C to +105°C, typical @ 25°C.

4 Digitally generated sine wave @ 1 kHz.

Rev. 0 | Page 5 of 32

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