AD9218–Typical Performance Characteristics
0
–10 ENCODE = 105MSPS
AIN = 50.1MHz AT –0.5dBFS
–20 SNR = 53.8dB
SINAD = 53.4dB
–30 H2 = –69dB
H3 = –65.8dB
–40
–50
–60
–70
–80
–90
–100
0
52.5
TPC 1. FFT: FS = 105 MSPS, AIN = 50.1 MHz @ –0.5 dBFS,
Differential, 1 V p-p Input Range
0
ENCODE = 40MSPS
–10 AIN = 19.75 MHz AT –0.5dBFS
SNR = 58.4dB
–20 SINAD = 58.3dB
H2 = –87dB
–30 H3 = –81dB
–40
–50
–60
–70
–80
–90
–100
0
20
TPC 4. FFT: FS = 40 MSPS, AIN = 19.7 MHz @ –0.5 dBFS,
Differential, 1 V p-p Input Range
0
ENCODE = 80MSPS
–10 AIN = 39MHz AT –0.5dBFS
SNR = 56.1dB
–20 SINAD = 55.5dB
H2 = –71.8dB
–30 H3 = –66.2dB
–40
–50
–60
–70
–80
–90
–100
0
40
TPC 2. FFT: FS = 80 MSPS, AIN = 39 MHz @ –0.5 dBFS,
Differential, 1 V p-p Input Range
0
ENCODE = 105MSPS
–10
AIN = 70MHz AT –0.5dBFS
–20
SNR = 51.9dB
SINAD = 51.8dB
–30 H2 = –70.5dB
H3 = –76.3dB
–40
–50
–60
–70
–80
–90
–100
0
40
TPC 5. FFT: FS = 105 MSPS, AIN = 70 MHz @ –0.5 dBFS,
Differential, 1 V p-p Input Range
0
–10 ENCODE = 65MSPS
AIN = 30.3MHz AT –0.5dBFS
–20 SNR = 56.1dB
SINAD = 55.9dB
–30 SFDR = 72dB
H2 = –83.2dB
–40 H3 = –79dB
–50
–60
–70
–80
–90
–100
0
32.5
TPC 3. FFT: FS = 65 MSPS, AIN = 30.3 MHz @ –0.5 dBFS,
Differential, 2 V p-p Input Range
0
–10 ENCODE = 65MSPS
AIN = 15MHz AT –0.5dBFS
–20 SNR = 56.4dB
SINAD = 55.9dB
–30 H2 = –73.9dB
H3 = –71.7dB
–40
–50
–60
–70
–80
–90
–100
0
32.5
TPC 6. FFT: FS = 65 MSPS, AIN = 15 MHz @ –0.5 dBFS;
with AD8138 Driving ADC Inputs, 1 V p-p Input Range
–10–
REV. 0