AD9268BCPZ-125 Analog Devices Inc, AD9268BCPZ-125 Datasheet - Page 17

• Manufacturer Part Number: AD9268BCPZ-125
• Description: Dual 16 Bit 125 High SNR ADC
• Manufacturer: Analog Devices Inc

Specifications of AD9268BCPZ-125

• Design Resources: Powering AD9268 with ADP2114 for Increased Efficiency (CN0137)
• Number Of Bits: 16
• Sampling Rate (per Second): 125M
• Data Interface: Serial, SPI™
• Number Of Converters: 2
• Power Dissipation (max): 777mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LFCSP
• Number Of Elements: 2
• Resolution: 16Bit
• Architecture: Pipelined
• Sample Rate: 125MSPS
• Input Polarity: Bipolar
• Input Type: Voltage
• Rated Input Volt: ±1V
• Differential Input: Yes
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 1.8V
• Single Supply Voltage (min): 1.7V
• Single Supply Voltage (max): 1.9V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Differential Linearity Error: ±0.5LSB(Typ)
• Integral Nonlinearity Error: ±1.5LSB(Typ)
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: LFCSP EP
• Input Signal Type: Differential
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, rated sample rate, DCS enabled, 1.0 V internal reference, 2 V p-p differential input, VIN = −1.0 dBFS, and
32k sample, T
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 10. AD9268-80 Single-Tone FFT with f
0
0
Figure 9. AD9268-80 Single-Tone FFT with f
0
Figure 8. AD9268-80 Single-Tone FFT with f
0
0
0
A
SECOND HARMONIC
= 25°C, unless otherwise noted.
SECOND HARMONIC
10
10
10
SECOND HARMONIC
THIRD HARMONIC
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
20
20
20
THIRD HARMONIC
THIRD HARMONIC
80MSPS
2.4MHz @ –1dBFS
SNR = 79.0dB (80.0dBFS)
SFDR = 98dBc
80MSPS
70.1MHz @ –1dBFS
SNR = 77.5dB (78.5dBFS)
SFDR = 89.2dBc
80MSPS
140.1MHz @ –1dBFS
SNR = 76.0dB (77.0dBFS)
SFDR = 81.1dBc
IN
IN
30
30
30
IN
= 70.1 MHz
= 140.1 MHz
= 2.4 MHz
40
40
40
Rev. A | Page 17 of 44
Figure 13. AD9268-80 Single-Tone SNR/SFDR vs. Input Amplitude (A
Figure 12. AD9268-80 Single-Tone FFT with f
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
120
100
Figure 11. AD9268-80 Single-Tone FFT with f
80
60
40
20
–100 –90
0
0
0
0
0
80MSPS
200.3MHz @ –1dBFS
SNR = 74.3dB (75.3dBFS)
SFDR = 83dBc
SECOND HARMONIC
–80
10
10
SECOND HARMONIC
–70
INPUT AMPLITUDE (dBFS)
with f
FREQUENCY (MHz)
FREQUENCY (MHz)
–60
IN
Enabled
= 98.12 MHz
THIRD HARMONIC
–50
20
20
–40
80MSPS
70.1MHz @ –6dBFS
SNR = 73.0dB (79.0dBFS)
SFDR = 98dBc
IN
THIRD HARMONIC
= 70.1 MHz with Dither
–30
IN
30
30
SNR (dBFS)
SFDR (dBc)
SNR (dBc)
SFDR (dBFS)
= 200.1 MHz
–20
–10
AD9268
40
40
0
IN
)