AD9277BSVZ Analog Devices Inc, AD9277BSVZ Datasheet - Page 15

• Manufacturer Part Number: AD9277BSVZ
• Description: IC ADC 14BIT LNA/VGA/AAF 100TQFP
• Manufacturer: Analog Devices Inc
• Type: Ultrasound Receiversr

Specifications of AD9277BSVZ

• Resolution (bits): 14 b
• Data Interface: Serial, SPI™
• Sampling Rate (per Second): 10M ~ 50M
• 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: 50MSPS
• Input Channel Type: Single Ended
• Supply Voltage Range - Digital: 1.7V To 1.9V
• Supply Current: 365mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

180,000
160,000
140,000
120,000
100,000
70,000
60,000
50,000
40,000
30,000
20,000
10,000
80,000
60,000
40,000
20,000
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
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
1
0
–35 –30 –25 –20
–12
2
PGA Gain = 30 dB, GAIN+ = 1.6 V
–8
LNA GAIN = 15.6dB
LNA GAIN = 17.9dB
LNA GAIN = 21.3dB
3
–6
–15 –10 –5
4
FREQUENCY (MHz)
–4
–2
5
CODES
CODES
0
0
6
5
2
10 15 20
7
4
6
8
8
25 30 35
9
10
10
12
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–126
–128
–130
–132
–134
–136
–138
–140
–142
–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
0.2
5
0.6
SNR
0.4
10
SINAD
LPF Cutoff = f
0.8
FREQUENCY (MHz)
0.6
15
GAIN+ (V)
GAIN+ (V)
LNA GAIN = 15.6dB
1.0
40MSPS
0.8
20
SAMPLE
LNA GAIN = 17.9dB
LNA GAIN = 21.3dB
/4.5
1.0
25
1.2
50MSPS
1.2
30
1.4
1.4
35
AD9277
1.6
1.6
40