AD9642BCPZRL7-250 Analog Devices, Inc., AD9642BCPZRL7-250 Datasheet - Page 10

• Manufacturer Part Number: AD9642BCPZRL7-250
• Description: 14-bit, 170 Msps/210 Msps/250 Msps, 1.8 V Analog-to-digital Converter Adc
• Manufacturer: Analog Devices, Inc.

AD9642
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, sample rate = maximum rate per speed grade, DCS enabled, 1.75 V p-p differential input, VIN = −1.0 dBFS,
32k sample, T
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 5. AD9642-170 Single-Tone FFT with f
Figure 6. AD9642-170 Single-Tone FFT with f
Figure 4. AD9642-170 Single-Tone FFT with f
0
0
0
0
0
0
170MSPS
220.1MHz @ –1dBFS
SNR = 69.7dB (70.7dBFS)
SFDR = 84dBc
SECOND HARMONIC
170MSPS
90.1MHz @ –1dBFS
SNR = 71.82dB (72.2dBFS)
SFDR = 93dBc
A
10
10
10
= 25°C, unless otherwise noted.
20
THIRD HARMONIC
20
20
SECOND HARMONIC
30
30
30
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
40
40
40
170MSPS
185.1MHz @ –1dBFS
SNR = 70.2dB (71.2dBFS)
SFDR = 86dBc
50
50
50
THIRD HARMONIC
SECOND HARMONIC
60
THIRD HARMONIC
60
60
IN
IN
IN
= 185.1 MHz
= 220.1 MHz
= 90.1 MHz
70
70
70
80
80
80
Rev. 0 | Page 10 of 28
Figure 9. AD9642-170 Single-Tone SNR/SFDR vs. Input Frequency (f
Figure 8. AD9642-170 Single-Tone SNR/SFDR vs. Input Amplitude (A
100
120
100
–100
–120
–140
95
90
85
80
75
70
65
60
80
60
40
20
–20
–40
–60
–80
–100
Figure 7. AD9642-170 Single-Tone FFT with f
0
60
0
0
75
–90
90
10
105
–80
120
with f
135
20
–70
SFDR (dBc)
INPUT AMPLITUDE (dBFS)
IN
150
= 90.1 MHz, f
165
FREQUENCY (MHz)
SFDR (dBFS)
30
SNR (dBFS)
f
FREQUENCY (MHz)
S
–60
SNR (dBFS)
SFDR (dBc)
180
= 170 MSPS
195
40
THIRD HARMONIC
–50
210
225
S
170MSPS
305.1MHz @ –1dBFS
SNR = 68.0dB (69.0dBFS)
SFDR = 86dBc
= 170 MSPS
–40
50
240
255
SECOND HARMONIC
SNR (dBc)
–30
60
270
IN
285
= 305.1 MHz
–20
300
70
315
–10
330
80
345
0
IN
)
IN
),