AD9255BCPZ-80 Analog Devices Inc, AD9255BCPZ-80 Datasheet - Page 16

• 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

AD9255
Figure 12. AD9255-80 Single-Tone SNR/SFDR vs. Input Amplitude (A
Figure 14. AD9255-80 Single-Tone SNR/SFDR vs. Sample Rate (f
100
105
100
120
110
100
Input Frequency (f
95
90
85
80
75
70
65
95
90
85
80
75
90
80
70
–100
0
25
SNR @ –40°C
SFDR @ +85°C
Figure 13. AD9255-80 Single-Tone SNR/SFDR vs.
f
30
–90
IN
SNR @ +25°C
= 30 MHz with and without Dither Enabled
50
35
–80
IN
40
–70
) and Temperature with 2 V p-p Full Scale
INPUT FREQUENCY (MHz)
INPUT AMPLITUDE (dBFS)
SFDR @ –40°C
100
with f
SAMPLE RATE (MSPS)
SNRFS (DITHER OFF)
SNRFS (DITHER ON)
SNR @ +85°C
45
–60
IN
SFDRFS (DITHER OFF)
= 70.1 MHz
50
150
–50
55
SFDR @ +25°C
–40
SFDR
SNR
SFDRFS (DITHER ON)
60
200
–30
65
–20
250
70
–10
75
300
80
0
IN
S
) with
)
Rev. A | Page 16 of 44
–0.25
–0.50
–0.2
–0.4
–0.6
–0.8
–1.0
0.50
0.25
1.6M
1.4M
1.2M
1.0M
800k
600k
400k
200k
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
Figure 15. AD9255-80 Grounded Input Histogram
N – 3
Figure 17. AD9255-80 DNL with f
2000
2000
Figure 16. AD9255-80 INL with f
INL WITHOUT DITHER
INL WITH DITHER
N – 2
4000
4000
6000
6000
N – 1
OUTPUT CODE
OUTPUT CODE
OUTPUT CODE
8000
8000
N
10,000
10,000
N + 1
IN
IN
= 12.5 MHz
12,000
12,000
= 12.5 MHz
N + 2
0.62 LSB RMS
14,000
14,000
N + 3
16,000
16,000