AD9276BSVZ Analog Devices Inc, AD9276BSVZ Datasheet - Page 16

• 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

AD9276
Figure 17. Second-Order Harmonic Distortion vs. Frequency, AIN = −1.0 dBFS
Figure 18. Third-Order Harmonic Distortion vs. Frequency, AIN = −1.0 dBFS
Figure 19. Second-Order Harmonic Distortion vs. ADC Output Level
–100
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–20
–40
–60
–80
0
0
0
–50
0
0
GAIN+ = 0.4V
GAIN+ = 1.0V
2
2
–40
4
4
INPUT FREQUENCY (MHz)
ADC OUTPUT LEVEL (dBFS)
INPUT FREQUENCY (MHz)
6
6
–30
GAIN+ = 0V
GAIN+ = 0.4V
8
8
GAIN+ = 1.6V
GAIN+ = 1.0V
–20
10
10
GAIN+ = 1.6V
12
12
GAIN+ = 1.6V
–10
GAIN+ = 0.8V
14
14
16
16
0
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Figure 20. Third-Order Harmonic Distortion vs. ADC Output Level
–100
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
–40
0.4
–40
f
FUND2 LEVEL = FUND1 LEVEL – 20dB
f
f
IN1
IN2
IN1
–35
–35
= 5.00MHz,
=
= –1dBFS,
0.6
f
Figure 22. IMD3 vs. Amplitude Level
IN1
+ 0.01MHz
–30
–30
Figure 21. IMD3 vs. GAIN+
ADC OUTPUT LEVEL (dBFS)
f
f
IN2
IN2
0.8
AMPLITUDE LEVEL (dBFS)
–25
–25
= –21dBFS
= 5.01MHz
GAIN+ = 0V
GAIN+ (V)
–20
GAIN+ = 0V
–20
1.0
2.3MHz
GAIN+ = 0.8V
–15
–15
1.2
5MHz
GAIN+ = 1.6V
–10
–10
GAIN+ = 0.8V
GAIN+ = 1.6V
1.4
8MHz
–5
–5
1.6
0
0