AD6644ASTZ-65 Analog Devices Inc, AD6644ASTZ-65 Datasheet - Page 11

• Manufacturer Part Number: AD6644ASTZ-65
• Description: IC ADC 14BIT 65MSPS CMOS 52-LQFP
• Manufacturer: Analog Devices Inc

Specifications of AD6644ASTZ-65

• Data Interface: Parallel
• Number Of Bits: 14
• Sampling Rate (per Second): 65M
• Number Of Converters: 4
• Power Dissipation (max): 1.3W
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 52-LQFP
• Resolution (bits): 14bit
• Sampling Rate: 65MSPS
• Input Channel Type: Differential
• Supply Voltage Range - Digital: 3V To 3.6V
• Supply Current: 245mA
• Number Of Elements: 1
• Resolution: 14Bit
• Architecture: Pipelined
• Sample Rate: 65MSPS
• Input Polarity: Unipolar
• Input Type: Voltage
• Rated Input Volt: ±1.1V
• Differential Input: Yes
• Power Supply Requirement: Analog and Digital
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.85V
• Single Supply Voltage (max): 5.25V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Power Dissipation: 1.5W
• Differential Linearity Error: -1LSB/1.5LSB
• Integral Nonlinearity Error: ±0.5LSB(Typ)
• Operating Temp Range: -25C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Package Type: LQFP
• Input Signal Type: Differential
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

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ENCODE = 65MSPS
AIN = 15.5MHz
NO DITHER
–80
ENCODE = 65MSPS
AIN = 15.5MHz @ –29.5dBFS
NO DITHER
5
Figure 16. 1M FFT Without Dither
ANALOG INPUT POWER LEVEL (dBFS)
–70
Figure 17. SFDR Without Dither
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FREQUENCY (MHz)
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SFDR = 90dB
REFERENCE LINE
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Rev. D | Page 11 of 24
Figure 18. SNR, Worst Spurious vs. Clamped Encode Power (See Figure 27)
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0
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ENCODE = 65MSPS
AIN = 15.5MHz
DITHER = –19dBm
WORST SPUR
ENCODE = 65MSPS
AIN = 15.5MHz @ –29.5dBFS
DITHER @ –19dBm
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30.5MHz
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ANALOG INPUT POWER LEVEL (dBFS)
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Figure 19. 1M FFT with Dither
Figure 20. SFDR with Dither
ENCODE INPUT POWER (dBm)
2.2MHz
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SFDR = 90dB
REFERENCE LINE
FREQUENCY (MHz)
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2.2MHz
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SNR
SFDR = 100dB
REFERENCE LINE
ENCODE = 65MSPS
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AD6644
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