Datasheet

6
LTC1417
sn1417 1417fas
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Signal-to-Noise Ratio
vs Input Frequency Distortion vs Input Frequency
Spurious-Free Dynamic Range
vs Input Frequency
INPUT FREQUENCY (kHz)
1
–120
AMPLITUDE (dB BELOW THE FUNDAMENTAL)
–100
–80
–60
–40
0
10 100
THD
2ND
3RD
1417 G05
1000
–20
Nonaveraged, 4096 Point FFT,
Input Frequency = 10kHz
Nonaveraged, 4096 Point FFT,
Input Frequency = 200kHz Intermodulation Distortion Plot
FREQUENCY (kHz)
0
–120
AMPLITUDE (dB)
–100
–80
–60
–40
40 100
140
200
1417 G09
–20
0
20 60 80
120
160 180
f
SAMPLE
= 400kHz
f
IN1
= 97.303466kHz
f
IN2
= 104.632568kHz
V
IN
= 4.096V
P-P
Input Offset Voltage Shift
vs Source Resistance
Input Common Mode Rejection
vs Input Frequency
Power Supply Feedthrough
vs Ripple Frequency
INPUT FREQUENCY (kHz)
1
70
60
50
40
30
20
10
0
1417 G11
10
100 1000
COMMON MODE REJECTION (dB)
(T
A
= 25°C, unless otherwise specified)
INPUT FREQUENCY (Hz)
SIGNAL-TO-NOISE RATIO (dB)
1k
0
90
80
70
60
50
40
30
20
10
1417 G04
100k 1M10k
INPUT FREQUENCY (Hz)
1k
–120
SPURIOUS FREE DYNAMIC RANGE (dB)
–40
–20
0
10k 100k 1M
1417 G06
–60
–80
–100
FREQUENCY (kHz)
0 10050
AMPLITUDE (dB)
0
–20
–40
–60
–80
–100
–120
150
1417 G07
200
f
SAMPLE
= 400kHz
f
IN
= 10.05859375kHz
SFDR = –97.44dB
SINAD = 81.71dB
FREQUENCY (kHz)
0 50 100
AMPLITUDE (dB)
0
–20
–40
–60
–80
–100
–120
150
1417 G08
200
f
SAMPLE
= 400kHz
f
IN
= 197.949188kHz
SFDR = –98dB
SINAD = 81.1dB
RIPPLE FREQUENCY (Hz)
1k
FEEDTHROUGH (dB)
10k 100k
1417 G10
1M 10M
0
20
40
60
80
100
120
V
SS
V
DD
DGND
V
RIPPLE
= 60mV
f
SAMPLE
= 400kHz
f
IN
= 200kHz
INPUT SOURCE RESISTANCE (Ω)
110
4
CHANGE IN OFFSET VOTLAGE (LSB)
5
6
7
8
100 1k 10k 100k 1M
1417 G12
3
2
1
0
9
10