AD9276-80KITZ Analog Devices Inc, AD9276-80KITZ Datasheet - Page 15
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AD9276-80KITZ
Manufacturer Part Number
AD9276-80KITZ
Description
80MSPS ADC Converter Evaluation Board
Manufacturer
Analog Devices Inc
Datasheet
1.AD9276BSVZ.pdf
(48 pages)
Specifications of AD9276-80KITZ
Silicon Manufacturer
Analog Devices
Application Sub Type
ADC
Kit Application Type
Data Converter
Silicon Core Number
AD9276
Number Of Adc's
1
Number Of Bits
12
Sampling Rate (per Second)
80M
Data Interface
Serial, SPI™
Inputs Per Adc
1 Differential
Input Range
*
Power (typ) @ Conditions
195mW @ 40MSPS
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
AD9276
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
500k
450k
400k
350k
300k
250k
200k
150k
100k
180k
160k
140k
120k
100k
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50k
80k
60k
40k
20k
Figure 13. Short-Circuit, Input-Referred Noise vs. Frequency,
Figure 11. Output-Referred Noise Histogram, GAIN+ = 0.0 V
Figure 12. Output-Referred Noise Histogram, GAIN+ = 1.6 V
0
0
0
–7 –6 –5
1
–7 –6 –5
2
PGA Gain = 30 dB, GAIN+ = 1.6 V
–4
–4
LNA GAIN = 15.6dB
LNA GAIN = 17.9dB
LNA GAIN = 21.3dB
3
–3
–3 –2
4
–2 –1
FREQUENCY (MHz)
–1
5
CODES
CODES
0
0
6
1
1
2
2
7
3
3
8
4
4
5
5
9
6
6
10
7
7
Rev. 0 | Page 15 of 48
–126
–128
–130
–132
–134
–136
–138
–140
LPF Cutoff = f
–10
–15
–20
–25
64
62
60
58
56
54
52
50
–5
0
Figure 14. Short-Circuit, Output-Referred Noise vs. GAIN+
0.4
Figure 16. Antialiasing Filter (AAF) Pass-Band Response,
0
0
Figure 15. SNR/SINAD vs. GAIN+, AIN = −1.0 dBFS
0.5
MODE I – 40MSPS
0.2
5
0.6
SAMPLE
0.7 0.8
0.4
10
/3 (Mode I and Mode II), f
SINAD
SNR
FREQUENCY (MHz)
0.6
15
0.9
GAIN+ (V)
GAIN+ (V)
LNA GAIN = 15.6dB
1.0
MODE III – 80MSPS
0.8
20
LNA GAIN = 17.9dB
LNA GAIN = 21.3dB
1.1
1.0
25
1.2 1.3
MODE II – 65MSPS
SAMPLE
1.2
30
/4.5 (Mode III)
1.4
1.4
35
AD9276
1.5 1.6
1.6
40