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Rev. 2.00
MP7641
5 pF
VCC VEE
1k
DUT
27 VR0 VO0 26
28 VR1 VO1 1
3 VR2 VO2 2
4 VR3 VO3 5
12 VR4 VO4 11
13 VR5 VO5 14
16 VR6 VO6 15
17 VR7 VO7 18
N/C 19
SDI
SDO
CLK
LD
RST
N/C
20
21
22
23
24
25
9
DGND 10
AGND
MP7641
Test Load
20 pF 5k
VOUT
All resistors = 50 Ω unless otherwise specified.
Gain of all DACs set to 1 (no attenuation).
NOTE: See Figure 12.
Figure 13. PSRR
5 pF
1k
Test Load
1.6 Vp–p
27 VR0 VO0 26
28 VR1 VO1 1
3 VR2 VO2 2
4 VR3 VO3 5
12 VR4 VO4 11
13 VR5 VO5 14
16 VR6 VO6 15
17 VR7 VO7 18
N/C 19
SDI
SDO
CLK
LD
RST
N/C
20
21
22
23
24
25
9
DGND 10
AGND
MP7641
20 pF 5k
VOUT
All resistors = 50 Ω unless otherwise specified.
NOTE: See Graph 16.
Figure 14. Frequency Response / THD Response
15