AD5934 R I MCLK AVDD DVDD DAC R OUT VOUT SCL SDA Z(ω) AD5934 RFB LPF VDD/2 VIN AGND DGND 5325-1
SDA t 9 t 3 t 1 t 11 t 4 SCL t 4 t6 t 2 t 5 t 7 t 1 t 8 5325-2
NC 1 NC 2 NC 3 RFB 4 VIN 5 VOUT 6 NC 7 AD5934 16 15 14 13 12 11 1 SCL SDA AGND2 AGND1 DGND AVDD2 AVDD1 MCLK 8 9 DVDD 5325-3
35 3 MEAN = 1.9824 SIGMA =.72 3 25 MEAN =.7543 SIGMA =.99 25 2 2 15 15 1 1 5 1.92 1.94 1.96 1.98 2. 2.2 2.4 5325-64 2.6 5.68.7.72.74.76.78.8.82.84.86 5325-73 3 25 MEAN = 1.487 SIGMA =.252 3 25 MEAN =.3827 SIGMA =.167 2 2 15 15 1 1 5 5 1.3 1.35 1.4 1.45 1.5 1.55 1.6 1.65 1.7 1.75 5325-72.37.375.38.385.39.395.4 5325-77 3 25 MEAN =.9862 SIGMA =.41 3 25 MEAN =.392 SIGMA =.14 2 2 15 15 1 1 5 5.95.96.97.98.99 1. 1.1 1.2 5325-66.29.295.3.35.31.315.32 5325-74
3 25 MEAN =.1982 SIGMA =.8 15.8 15.3 14.8 2 15 1 14.3 13.8 13.3 12.8 12.3 5.192.194.196.198.2.22.24.26 5325-7 11.8 11.3 1.8 2 4 6 8 1 12 14 16 18 5325-88 3 25 MEAN =.1792 SIGMA =.24.4.2 VDD = 3.3V T A = 25 C f = 32kHz 2 15 1.2.4.6 5.16.165.17.175.18.185.19.195.2.25 5325-75.8 1. 5 1 15 2 25 3 35 4 5325-28
THDdb 2 log V 22 V 32 V 42 V 52 V 2 6 V 1
MCLK SCL SDA COS SIN DAC R OUT VOUT Z(ω) AD5934 RFB MCLK LPF X5 X1 VDD/2 VIN 5325-78 R I 5325-33
(2) 2 27 MCLK 16 1 Hz 16 MHz 16 53E MCLK 16 3 khz 16 MHz 16 (1) 2 27 2 27 3D7A3
R RFB 5R C R VIN R VDD/2 ADC LPF 123 X( f ) = ( x( n)(cos( n) jsin( n)) ) n= 5325-38 DAC VBIAS VOUT 5325-34 X( f )x(n) cos(n) sin(n)
R I 11.5 11. 1.5 1. 99.5 1 2 k Ω 9692.16 1 515.819E 12 99. 98.5 54 56 58 6 62 64 66 5325-85
11.5 11. 1.5 1. 99.5 VOUT Z UNKNOWN VDD VIN RFB PGA LPF ADC 5325-89 99. 98.5 54 56 58 6 62 64 66 5325-86
11.5 11. 1.5 1. 99.5 99. 98.5 54 56 58 6 62 64 66 +125 C +25 C 4 C 5325-87 2. 1.8 1.6 1.4 1.2 1..8.6.4.2 1 35 6 1 5325-8 7 6.3.2.1.1 A 5 4 3 2.2.3 1 35 6 1 5325-81 1 1 35 6 1 5325-79
1..5 4 2 A.5 1. 1.5 2. 2.5 3. 3.5 A 1 35 6 1 5325-82 2 4 6 8 1 1 35 6 1 5325-84 3 1 1 3 5 7 9 1 35 6 1 5325-83
Y N Y N Y 5325-47
AD5934
3 khz 16 MHz 16 2 27 3D7A3 1 Hz 16 MHz 16 2 53E 27
SCL SDA 1 1 1 R/W D7 D6 D5 D4 D3 D2 D1 D 5325-48
S W A A A P S W A A A A A A P 5325-5 5325-51 S W A A A P 5325-49
S R A A P 5325-52 S W A A A S R A A A A P 5325-53
1 16 2 15 AD5934 3 14 RFB 4 13 ADuC72x F O 5325-58 5 12 6 11 7 1 8 9 7V ADR43x 2 6.1µF 1µF 4 5325-57
16 9 1 6.5 6.2 5.9 8 5.6 5.3 5. 8.2 7.8 7.4 2. MAX.5 MIN.65 BSC.1 1.85 1.75 1.65.38.22.25.9 8 4.95.75.55