AD9277BSVZ Analog Devices Inc, AD9277BSVZ Datasheet - Page 14

• 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
TYPICAL PERFORMANCE CHARACTERISTICS
TGC MODE
f
HPF cutoff = LPF cutoff/20.7 (default).
SAMPLE
–0.5
–1.0
–1.5
–2.0
= 50 MSPS, f
2.0
1.5
1.0
0.5
25
20
15
10
14
12
10
5
0
8
6
4
2
0
0
0
Figure 5. Gain Error vs. GAIN+ at Three Temperatures
Figure 6. Gain Error Histogram, GAIN+ = 0.16 V
Figure 7. Gain Error Histogram, GAIN+ = 0.8 V
0.2
IN
0.4
= 5 MHz, R
0.6
GAIN ERROR (dB)
GAIN ERROR (dB)
GAIN+ (V)
0.8
S
+25°C
= 50 Ω, LNA gain = 21.3 dB, LNA bias = high, PGA gain = 24 dB, AAF LPF cutoff = f
–40°C
+85°C
1.0
1.2
1.4
1.6
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25
20
15
10
25
20
15
10
25
20
15
10
5
0
5
0
5
0
–1.25 –1.00 –0.75 –0.50 –0.25
–1.25 –1.00 –0.75 –0.50 –0.25
Figure 10. Gain Match Histogram, GAIN+ = 1.3 V
Figure 8. Gain Error Histogram, GAIN+ = 1.44 V
Figure 9. Gain Match Histogram, GAIN+ = 0.3 V
CHANNEL-TO-CHANNEL GAIN MATCHING (dB)
CHANNEL-TO-CHANNEL GAIN MATCHING (dB)
GAIN ERROR (dB)
0
0
0.25 0.50 0.75 1.00 1.25
0.25 0.50 0.75 1.00 1.25
SAMPLE
/4.5,