AD9644 Analog Devices, AD9644 Datasheet - Page 17

• Manufacturer Part Number: AD9644
• Description: 14-Bit, 80 MSPS/155 MSPS, 1.8V Dual, Serial Output A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9644

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 155MSPS
• Analog Input Type: Diff-Bip
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined

Data Sheet
Figure 31. AD9644-155 Single-Tone SNR/SFDR vs. Input Frequency (f
Figure 29. AD9644-155 Single-Tone SNR/SFDR vs. Input Amplitude (A
Figure 30. AD9644-155 Single-Tone SNR/SFDR vs. Input Amplitude (A
100
120
100
120
100
95
90
85
80
75
70
65
80
60
40
20
80
60
40
20
0
0
–90
–90
0
Temperature with 1.75 V p-p Full-Scale, f
–80
–80
SNR @ –40°C
SFDR @ –40°C
SNR @ +25°C
SFDR @ +25°C
SNR @ +85°C
SFDR @ +85°C
50
with f
with f
–70
–70
SFDR (dBc)
SFDR (dBc)
INPUT FREQUENCY (MHz)
IN
INPUT AMPLITUDE (dBFS)
SFDR (dBFS)
INPUT AMPLITUDE (dBFS)
IN
SFDR (dBFS)
100
SNR (dBFS)
SNR (dBFS)
–60
–60
= 10.1 MHz, f
= 180 MHz, f
–50
–50
150
–40
–40
SNR (dBc)
S
S
= 80 MSPS
= 80 MSPS
SNR (dBc)
200
–30
–30
S
= 80 MSPS
–20
–20
250
–10
–10
300
0
0
IN
) and
IN
IN
Rev. C | Page 17 of 44
)
)
Figure 32. AD9644-155 Single-Tone SNR/SFDR vs. Input Frequency (f
Figure 33. AD9644-155 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
Figure 34. AD9644-155 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
100
–100
–120
–100
–120
95
90
85
80
75
70
65
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
–90
–90
with f
Temperature with 2.0 V p-p Full-Scale, f
with f
IN1
–78
–78
50
IMD3 (dBFS)
IN1
= 169.1 MHz, f
= 29.9 MHz, f
–66
–66
INPUT FREQUENCY (MHz)
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
100
SFDR (dBFS)
IMD3 (dBc)
SFDR (dBFS)
IMD3 (dBc)
–54
–54
IN2
IN2
SFDR (dBc)
150
= 32.9 MHz, f
= 172.1 MHz, f
SFDR (dBc)
–42
–42
IMD3 (dBFS)
200
–30
S
–30
S
= 80 MSPS
S
= 80 MSPS
= 80 MSPS
SNR @ –40°C
SFDR @ –40°C
SNR @ +25°C
SFDR @ +25°C
SNR @ +85°C
SFDR @ +85°C
250
–18
–18
AD9644
300
–6
–6
IN
) and
IN
IN
)
)