AD9276BSVZ Analog Devices Inc, AD9276BSVZ Datasheet - Page 15

• Manufacturer Part Number: AD9276BSVZ
• Description: IC ADC 12BIT LNA/VGA/AAF 100TQFP
• Manufacturer: Analog Devices Inc
• Type: Ultrasound Receiversr

Specifications of AD9276BSVZ

• Resolution (bits): 12 b
• Data Interface: Serial, SPI™
• Sampling Rate (per Second): 10M ~ 80M
• Voltage Supply Source: Analog and Digital
• Voltage - Supply: 1.8V, 3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Sampling Rate: 80MSPS
• Input Channel Type: Differential, Single Ended
• Supply Voltage Range - Digital: 1.7V To 1.9V
• Supply Current: 365mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
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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
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–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