AD9246BCPZ-125 Analog Devices Inc, AD9246BCPZ-125 Datasheet - Page 13

• Manufacturer Part Number: AD9246BCPZ-125
• Description: IC ADC 14BIT 125MSPS 48-LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9246BCPZ-125

• Data Interface: Serial, SPI™
• Design Resources: Using AD8376 to Drive Wide Bandwidth ADCs for High IF AC-Coupled Appls (CN0002) Driving AD9233/46/54 ADCs in AC-Coupled Baseband Appls (CN0051)
• Number Of Bits: 14
• Sampling Rate (per Second): 125M
• Number Of Converters: 3
• Power Dissipation (max): 425mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Resolution (bits): 14bit
• Sampling Rate: 125MSPS
• Input Channel Type: Differential, Single Ended
• Supply Voltage Range - Analog: 1.7V To 1.9V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD9246-125EBZ - BOARD EVAL FOR 125MSPS AD9246AD9246-105EBZ - BOARD EVAL FOR 105MSPS AD9246
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Figure 25. AD9246-125 Two-Tone FFT with f
Figure 24. AD9246-125 Two-Tone FFT with f
–100
–120
–100
–120
–140
–140
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
125MSPS
169.1MHz @ –7dBFS
172.1MHz @ –7dBFS
SFDR = 84dBc (91dBFS)
Figure 26. AD9246-125 Two 64k WCDMA Carriers
with f
15.625
15.625
15.36
IN
= 215.04 MHz, f
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
31.250
31.250
30.72
S
= 122.88 MSPS
IN1
125MSPS
29.1MHz @ –7dBFS
32.1MHz @ –7dBFS
SFDR = 85dBc (92dBFS)
IN1
= 169.1 MHz, f
= 29.1 MHz, f
46.875
46.875
46.08
IN2
IN2
= 32.1 MHz
= 172.1 MHz
62.500
62.500
61.44
Rev. A | Page 13 of 44
Figure 27. AD9246 Two-Tone SFDR/IMD vs. Input Amplitude (AIN)
Figure 28. AD9246 Two-Tone SFDR/IMD vs. Input Amplitude (AIN)
–100
–120
–100
–100
–120
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
–90
–90
0
IMD3 (dBFS)
IMD3 (dBc)
Figure 29. AD9246 Noise Power Ratio (NPR)
–78
–78
with F
with F
15.625
SFDR (dBc)
IN1
SFDR (dBFS)
–66
IN1
–66
= 169.1 MHz, F
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
= 29.1 MHz, F
FREQUENCY (MHz)
–54
–54
31.250
SFDR (dBFS)
SFDR (dBc)
IN2
IMD3 (dBFS)
IN2
–42
–42
= 172.11 MHz
= 32.1 MHz
NPR = 62.9dBc
NOTCH @ 18.5MHz
NOTCH WIDTH = 3MHz
IMD3 (dBc)
–30
–30
46.875
–18
–18
AD9246
62.500
–6
–6