AD9255BCPZ-80 Analog Devices Inc, AD9255BCPZ-80 Datasheet - Page 17

• Manufacturer Part Number: AD9255BCPZ-80
• Description: IC ADC 14BIT 80MSPS 48LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9255BCPZ-80

• Data Interface: Serial, SPI™
• Number Of Bits: 14
• Sampling Rate (per Second): 80M
• Number Of Converters: 1
• Power Dissipation (max): 248mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Resolution (bits): 14bit
• Sampling Rate: 80MSPS
• Input Channel Type: Differential
• Supply Voltage Range - Analog: 1.7V To 1.9V
• Supply Voltage Range - Digital: 1.7V To 1.9V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 20. AD9255-105 Single-Tone FFT with f
Figure 19. AD9255-105 Single-Tone FFT with f
Figure 18. AD9255-105 Single-Tone FFT with f
0
0
0
0
0
0
105MSPS
70.1MHz @ –1dBFS
SNR = 77.4dB (78.4dBFS)
SFDR = 88.7dBc
105MSPS
140.1MHz @ –1dBFS
SNR = 76.7dB (77.7dBFS)
SFDR = 86.4dBc
HARMONIC
HARMONIC
HARMONIC
THIRD
SECOND
THIRD
10
10
10
HARMONIC
THIRD
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
20
20
20
HARMONIC
SECOND
30
30
30
105MSPS
2.4MHz @ –1dBFS
SNR = 77.9dB (78.9dBFS)
SFDR = 91dBc
HARMONIC
SECOND
IN
40
40
IN
40
IN
= 140.1 MHz
= 70.1 MHz
= 2.4 MHz
50
50
50
Rev. A | Page 17 of 44
Figure 23. AD9255-105 Single-Tone SNR/SFDR vs. Input Amplitude (A
Figure 22. AD9255-105 Single-Tone FFT with f
–100
–120
–140
–100
–120
–140
120
100
–20
–40
–60
–80
–20
–40
–60
–80
Figure 21. AD9255-105 Single-Tone FFT with f
80
60
40
20
–100
0
0
0
0
0
105MSPS
70.1MHz @ –6dBFS
SNR = 72.9dB (78.9dBFS)
SFDR = 91dBc
HARMONIC
THIRD
–90
SNR (dBFS)
–80
10
10
SFDR (dBc)
HARMONIC
SECOND
–70
INPUT AMPLITUDE (dBFS)
Dither Enabled
f
IN
FREQUENCY (MHz)
FREQUENCY (MHz)
20
20
–60
= 98.12 MHz
SFDR (dBFS)
–50
HARMONIC
30
30
SNR (dBc)
–40
105MSPS
200.3MHz @ –1dBFS
SNR = 75.4dB (76.4dBFS)
SFDR = 81.6dBc
THIRD
IN
= 70.1 MHz @ −6 dBFS with
–30
HARMONIC
SECOND
IN
40
40
= 200.3 MHz
–20
–10
AD9255
50
50
0
IN
) with