AD9057 Analog Devices, AD9057 Datasheet - Page 5

• Manufacturer Part Number: AD9057
• Description: 8-Bit, 40/60/80 MSPS A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9057

• Resolution (bits): 8bit
• # Chan: 1
• Sample Rate: 80MSPS
• Interface: Par
• Analog Input Type: SE-Uni
• Ain Range: 1 V p-p
• Adc Architecture: Pipelined
• Pkg Type: SOP

REV. D
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
30
48
46
44
42
40
38
36
34
32
0
TPC 1. Spectral Plot 60 MSPS, 10.3 MHz
0
0
TPC 2. Spectral Plot 60 MSPS, 76 MHz
0
0
TPC 3. SINAD/SNR vs. AIN Frequency
ENCODE = 60MSPS
ANALOG IN = 76MHz, –0.5dBFS
SINAD = 44.9dB
ENOB = 7.16 BITS
SNR = 45.2dB
20
ENCODE = 60MSPS
AIN = –0.5dBFS
ANALOG INPUT FREQUENCY (MHz)
40
FREQUENCY (MHz)
FREQUENCY (MHz)
60
ENCODE = 60MSPS
ANALOG IN = 10.3MHz, –0.5dBFS
SINAD = 46.1dB
ENOB = 7.36 BITS
SNR = 46.5dB
80
SINAD
100
SNR
120
140
Typical Performance Characteristics–AD9057
160
30
30
–5–
TPC 4. Harmonic Distortion vs. AIN Frequency
TPC 5. Two-Tone Intermodulation Distortion
–10
–20
–30
–40
–50
–60
–70
–80
–90
–30
–35
–40
–45
–50
–55
–60
–65
–70
54
48
42
36
30
24
18
12
0
0
0
0
5
TPC 6. SINAD/SNR vs. Encode Rate
ENCODE = 60MSPS
AIN = –0.5dBFS
AIN = 10.3MHz, –0.5dBFS
10
20
ANALOG INPUT FREQUENCY (MHz)
20
40
10
ENCODE RATE (MSPS)
30
FREQUENCY (MHz)
SECOND HARMONIC
60
40
ENCODE = 60MSPS
F1 IN = 9.5MHz @ –7.0dBFS
F2 IN = 9.9MHz @ –7.0dBFS
2F1 – F2 = –52.0dBc
2F2 – F1 = –53.0dBc
80
50
100
20
60
THIRD HARMONIC
120
70
SINAD
SNR
140
80
160
30
90