AD9634 Analog Devices, AD9634 Datasheet - Page 16

• Manufacturer Part Number: AD9634
• Description: 12-Bit, 170 MSPS/210 MSPS/250 MSPS, 1.8 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9634

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 250MSPS
• Interface: LVDS
• Analog Input Type: Diff-Uni
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9634
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 29. AD9634-250 Single-Tone FFT with f
Figure 30. AD9634-250 Single-Tone FFT with f
Figure 28. AD9634-250 Single-Tone FFT with f
0
0
0
0
0
0
250MSPS
90.1MHz @ –1.0dBFS
SNR = 69.0dB (70.0dBFS)
SFDR = 89dBc
250MSPS
185.1MHz @ –1.0dBFS
SNR = 68.7dB (69.7dBFS)
SFDR = 87dBc
HARMONIC
THIRD
25
25
25
HARMONIC
THIRD
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
50
50
50
HARMONIC
HARMONIC
SECOND
SECOND
75
75
75
250MSPS
220.1MHz @ –1.0dBFS
SNR = 68.3dB (69.3dBFS)
SFDR = 91dBc
HARMONIC
THIRD
IN
IN
IN
100
100
100
= 185.1 MHz
= 220.1 MHz
= 90.1 MHz
HARMONIC
SECOND
125
125
125
Rev. 0 | Page 16 of 32
Figure 32. AD9634-250 Single-Tone SNR/SFDR vs. Input Amplitude (A
Figure 33. AD9634-250 Single-Tone SNR/SFDR vs. Input Frequency (f
–100
–120
–140
–20
–40
–60
–80
120
100
100
Figure 31. AD9634-250 Single-Tone FFT with fI
80
60
40
20
95
90
85
80
75
70
65
60
0
0
–100
0
60
–90
90
SNR (dBFS)
25
–80
120
f
IN
= 90.1 MHz, f
SFDR (dBc)
–70
150
INPUT AMPLITUDE (dBFS)
INPUT FREQUENCY (MHz)
FREQUENCY (MHz)
f
S
50
–60
= 250 MSPS
SFDR (dBc)
SNR (dBFS)
180
SFDR (dBFS)
–50
S
210
= 250 MSPS
HARMONIC
THIRD
75
–40
250MSPS
305.1MHz @ –1.0dBFS
SNR = 67.4dB (68.4dBFS)
SFDR = 82dBc
240
SNR (dBc)
–30
270
N
100
= 305.1 MHz
–20
HARMONIC
SECOND
300
–10
330
125
IN
) with
0
IN
),