AD9432/PCB Analog Devices, AD9432/PCB Datasheet - Page 5

• Manufacturer Part Number: AD9432/PCB
• Description: 12-Bit/ 80 MSPS/105 MSPS A/D Converter
• Manufacturer: Analog Devices

Spurious-Free Dynamic Range (SFDR)
The ratio of the rms signal amplitude to the rms value of the
peak spurious spectral component. The peak spurious compo-
nent may or may not be a harmonic. May be reported in dBc
(i.e., degrades as signal level is lowered), or in dBFS (always
related back to converter full scale).
Two-Tone Intermodulation Distortion Rejection
The ratio of the rms value of either input tone to the rms value
of the worst third order intermodulation product; reported in dBc.
D11–D0
AIN
ENCODE
ENCODE
VREFIN
SAMPLE N–1
V
REF
NPN
Q1
V
OUTPUT
CC
DATA N–11
V
CC
VREFOUT
SAMPLE N
t
A
t
EH
DATA N–10
t
AIN
AIN
EL
SAMPLE N+1
ANALOG INPUT
N–9
V
CC
5k
7k
N–2
SAMPLE N+9
Two-Tone SFDR
The ratio of the rms value of either input tone to the rms value
of the peak spurious component. The peak spurious component
may or may not be an IMD product. May be reported in dBc
(i.e., degrades as signal levels is lowered), or in dBFS (always
related back to converter full scale).
Worst Harmonic
The ratio of the rms signal amplitude to the rms value of the
worst harmonic component, reported in dBc.
ENCODE
5k
7k
DATA N–1
SAMPLE N+10
t
PD
17k
8k
DIGITAL OUTPUT
DATA N
100
V
DD
SAMPLE N+11
V
CC
t
V
1/f
DATA N + 1
DIGITAL
OUTPUT
S
100
17k
8k
AD9432
ENCODE