Example of Representative Characteristics
Analog I/O amplitude ratio vs. VRF pin voltage
Input signal peak-to-peak voltage ≤ 1.75V
CXD2073S
1.5
Output amplitude
Input amplitude
1.0
Input
ADIN AYO
R
200Ω
VRF
0.5
D/A output amplitude
CXD2073S
A/D input amplitude
1
2
VRF [V]
Output full-scale voltage vs. Ambient temperature
1.95
1.90
0
–25 0
25 50
75
Ta – Ambient temperature [°C]
AYO (Y output) frequency response
0
VDD = 5V
VRF = 2V
IRF = 3.3kΩ
R = 200Ω
–1
Input ADIN AYO
R
200Ω
Gain for f = f [MHz]
Gain for f = 0.5 [MHz]
CXD2073S
–2
0.5
1
2
5
Frequency [MHz]
– 10 –