AD9277BSVZ Analog Devices Inc, AD9277BSVZ Datasheet - Page 16

• 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

AD9277
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
–90
–20
–40
–60
–80
0
0
0
–50
0
0
–45
2
2
–40
GAIN+ = 1.0V
GAIN+ = 1.6V
4
4
–35
INPUT FREQUENCY (MHz)
ADC OUTPUT LEVEL (dBFS)
INPUT FREQUENCY (MHz)
GAIN+ = 0.8V
6
6
–30
GAIN+ = 1.0V
GAIN+ = 0.4V
GAIN+ = 1.6V
–25
GAIN+ = 0V
8
8
GAIN+ = 0.4V
–20
10
10
–15
12
12
–10
GAIN+ = 1.6V
14
14
–5
16
16
0
Rev. 0 | Page 16 of 48
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
–50
f
FUND2 LEVEL = FUND1 LEVEL – 20dB
f
f
IN1
IN2
IN1
–45
–35
= 5.00MHz,
=
= –1dBFS,
0.6
f
Figure 22. IMD3 vs. Amplitude Level
GAIN+ = 1.6V
IN1
–40
+ 0.01MHz
–30
Figure 21. IMD3 vs. GAIN+
ADC OUTPUT LEVEL (dBFS)
–35
f
f
IN2
IN2
0.8
AMPLITUDE LEVEL (dBFS)
–25
= –21dBFS
= 5.01MHz
GAIN+ = 0.8V
–30
GAIN+ = 0V
GAIN+ (V)
–20
1.0
–25
2.3MHz
–20
GAIN+ = 0.8V
–15
GAIN+ = 0V
1.2
–15
5MHz
GAIN+ = 1.6V
–10
–10
1.4
8MHz
–5
–5
1.6
0
0