REV. D
AD9214
–9–
FREQUENCY – MHz
0
dB
52.5
–100
–50
0
–90
–80
–70
–60
–40
–30
–20
–10
ENCODE: 105MSPS
AIN: 50.3MHz @ –0.5dBFS
SNR: 53.0dB
ENOB: 8.5 BITS
SFDR: 64dBFS
TPC 1. FFT: fS = 105 MSPS, fIN = ~50.3 MHz; AIN = –0.5 dBFS
Differential, 1 V p-p Analog Input Range
0
40
–100
–50
0
–90
–80
–70
–60
–40
–30
–20
–10
ENCODE: 80MSPS
AIN: 70.3MHz @ –0.5dBFS
SNR: 54.0dB
ENOB: 8.5 BITS
SFDR: 64dBFS
FREQUENCY – MHz
dB
TPC 2. FFT: fS = 80 MSPS, fIN = 70 MHz; AIN = –0.5 dBFS,
1 V p-p Analog Input Range
FREQUENCY– MHz
0
dB
52.5
–100
–50
0
–90
–80
–70
–60
–40
–30
–20
–10
ENCODE: 105MSPS
AIN: 70.3MHz @ –0.5dBFS
SNR: 52.6dB
ENOB: 8.4 BITS
SFDR: 62.6dBFS
TPC 3. FFT: fS = 105 MSPS; fIN = 70 MHz (1 V p-p)
Typical Performance Characteristics–
FREQUENCY– MHz
0
dB
52.5
–100
–50
0
–90
–80
–70
–60
–40
–30
–20
–10
ENCODE: 65MSPS
AIN: 15.3MHz @ –0.5dBFS
SNR: 56.9dB
ENOB: 9.2 BITS
SFDR: 70dB
TPC 4. FFT: fS = 65 MSPS, fIN = 15.3 MHz (2 V p-p) with
AD8138 Driving AIN
AIN FREQUENCY – MHz
0
dB
70
50
100
40
60
70
80
90
60
50
40
30
20
10
3RD
SFDR
2ND
TPC 5. Harmonic Distortion (Second and Third) and SFDR
vs. AIN Frequency (1 V p-p, fS = 105 MSPS)
AIN FREQUENCY – MHz
0
dB
60
85
40
65
70
75
80
75
50
25
2ND
SFDR
55
50
45
3RD
TPC 6. Harmonic Distortion (Second and Third) and SFDR
vs. AIN Frequency (1 V p-p, fS = 80 MSPS)