AD5665R_15 Datasheet, PDF (19/36 Pages) Analog Devices – Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/C On-Chip Reference, IC Interface

Data Sheet
AD5625R/AD5645R/AD5665R, AD5625/AD5665
2.538
2.537
2.536
2.535
2.534
2.533
2.532
2.531
2.530
2.529
2.528
2.527
2.526
2.525
2.524
2.523
2.522
2.521
0
V_DD = V_REF = 5V
T_A = 25°C
5ns/SAMPLE NUMBER
GLITCH IMPULSE = 9.494nV
1LSB CHANGE AROUND
MIDSCALE (0x8000 TO 0x7FFF)
50 100 150 200 250 300 350 400 450 512
SAMPLE NUMBER
Figure 45. Digital-to-Analog Glitch Impulse (Negative)
V_DD = V_REF = 5V
T_A = 25°C
DAC LOADED WITH MIDSCALE
1
4s/DIV
Figure 48. 0.1 Hz to 10 Hz Output Noise Plot, External Reference
2.498
2.497
2.496
V_DD = V_REF = 5V
T_A = 25°C
5ns/SAMPLE NUMBER
ANALOG CROSSTALK = 0.424nV
2.495
2.494
2.493
2.492
2.491
0
50 100 150 200 250 300 350 400 450 512
SAMPLE NUMBER
Figure 46. Analog Crosstalk, External Reference
V_DD = 5V
V_REFOUT = 2.5V
T_A = 25°C
DAC LOADED WITH MIDSCALE
1
5s/DIV
Figure 49. 0.1 Hz to 10 Hz Output Noise Plot, 2.5 V Internal Reference
2.496
2.494
2.492
2.490
2.488
2.486
2.484
2.482
2.480
2.478
2.476
2.474
2.472
2.470
2.468
2.466
2.464
2.462
2.460
2.458
2.456
0
V_DD = 5V
V_REFOUT = 2.5V
T_A = 25°C
5ns/SAMPLE NUMBER
ANALOG CROSSTALK = 4.462nV
50 100 150 200 250 300 350 400 450 512
SAMPLE NUMBER
Figure 47. Analog Crosstalk, Internal Reference
V_DD = 3V
V_REFOUT = 1.25V
T_A = 25°C
DAC LOADED WITH MIDSCALE
1
4s/DIV
Figure 50. 0.1 Hz to 10 Hz Output Noise Plot, 1.25 V Internal Reference
Rev. C | Page 19 of 36