Datasheet

AD9838
Rev. A | Page 12 of 32
TEST CIRCUIT
R
SET
6.8kΩ
IOUT
12
10-BIT DAC
20pF
FSADJUST
AD9838
REGULATOR
100n
F
CAP/2.5V
10nF
REFOUT
COMP
10nF
AVDD
SIN
ROM
R
LOAD
200Ω
ON-BOARD
REFERENCE
FULL-SCALE
CONTROL
09077-002
Figure 19. Test Circuit Used to Test Specifications