AD9634 Analog Devices, AD9634 Datasheet - Page 17

• 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

Figure 36. AD9634-250 Two-Tone FFT with f
Figure 34. AD9634-250 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
Figure 35. AD9634-250 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
–100
–120
–140
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
–90.0 –81.7 –73.4 –65.1 –56.8 –48.5 –40.2 –31.9 –23.6 –15.3 –7.0
–90.0 –81.7 –73.4 –65.1 –56.8 –48.5 –40.2 –31.9 –23.6 –15.3 –7.0
0
0
0
with f
0
250MSPS
89.12MHz @ –7.0dBFS
92.12MHz @ –7.0dBFS
SFDR = 88dBc (95dBFS)
f
IN1
IN1
= 89.12 MHz, f
= 184.12 MHz, f
IMD3 (dBc)
IMD3 (dBc)
SFDR (dBFS)
SFDR (dBFS)
25
IMD3 (dBFS)
IMD3 (dBFS)
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
SFDR (dBc)
SFDR (dBc)
FREQUENCY (MHz)
IN2
50
IN2
= 92.12 MHz, f
= 187.12 MHz, f
IN1
75
= 89.12 MHz, f
S
= 250 MSPS
S
= 250 MSPS
100
IN2
= 92.12 MHz
IN
125
) with
IN
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)
Figure 37. AD9634-250 Two Tone FFT with f
Figure 38. AD9634-250 Single-Tone SNR/SFDR vs. Sample Rate (f
Figure 39. AD9634-250 Grounded Input Histogram, f
16000
14000
12000
10000
–100
–120
–140
8000
6000
4000
2000
100
–20
–40
–60
–80
95
90
85
80
75
70
65
0
0
40
0
250MSPS
184.12MHz @ –7.0dBFS
187.12MHz @ –7.0dBFS
SFDR = 88dBc (95dBFS)
0.407 LSB rms
16,384 TOTAL HITS
60
80
25
100
N – 1
SAMPLE RATE (MSPS)
with f
120
FREQUENCY (MHz)
OUTPUT CODE
50
SFDR
IN
SNR
140
= 90 MHz
N
160
IN1
= 184.12 MHz, f
75
180
N + 1
200
100
220
S
= 250 MSPS
IN2
240
AD9634
= 187.12 MHz
260
1
25
S
)