AD9958/PCB Analog Devices Inc, AD9958/PCB Datasheet - Page 17

• Manufacturer Part Number: AD9958/PCB
• Description: BOARD EVALUATION FOR AD9958
• Manufacturer: Analog Devices Inc

Specifications of AD9958/PCB

• Design Resources: Low Jitter Sampling Clock Generator for High Performance ADCs Using AD9958/9858 and AD9515 (CN0109) Phase Coherent FSK Modulator (CN0186)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

EQUIVALENT INPUT AND OUTPUT CIRCUITS
AVDD
REF_CLK
OSC
INPUT
Figure 31. REF_CLK/ REF_CLK Inputs
OSC INPUTS ARE DC-COUPLED.
Figure 29. CMOS Digital Inputs
1.5kΩ
NEED TO BE AC-COUPLED.
INTERNALLY BIASED AND
CHx_IOUT
DIODES MAY COUPLE
AVOID OVERDRIVING
DVDD_I/O = 3.3V
FORWARD BIASING
Figure 30. DAC Outputs
REF_CLK INPUTS ARE
DIGITAL NOISE ON
TERMINATE OUTPUTS
DIGITAL INPUTS.
Rev. A | Page 17 of 44
INTO AVDD. DO NOT
POWER PINS.
EXCEED VOLTAGE
COMPLIANCE OF
OUTPUTS.
AMP
Z
AVDD
Z
CHx_IOUT
1.5kΩ
OUTPUT
REF_CLK
OSC
AVDD
AD9958