5
LTC1410
TYPICAL PERFORMANCE CHARACTERISTICS
UW
S/(N + D) vs Input Frequency
and Amplitude
Distortion vs Input Frequency
INPUT FREQUENCY (Hz)
1k
SIGNAL
/(NOISE
+
DISTORTION)
(dB)
80
70
60
50
40
30
20
10
0
10k
100k
1410 G01
1M
10M
VIN = 0dB
VIN = –20dB
VIN = –60dB
fSAMPLE = 1.25MHz
INPUT FREQUENCY (Hz)
1k
AMPLITUDE
(dB
BELOW
THE
FUNDAMENTAL)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
10k
100k
1410 G03
1M
10M
THD
2ND
3RD
Spurious-Free Dynamic Range vs
Input Frequency
Integral Nonlinearity vs
Output Code
Differential Nonlinearity vs
Output Code
INPUT FREQUENCY (Hz)
10k
SPURIOUS-FREE
DYNAMIC
RANGE
(dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
100k
1M
10M
1410 G04
Input Common Mode Rejection
vs Input Frequency
INPUT FREQUENCY (Hz)
1k
COMMON
MODE
REJECTION
(dB)
80
70
60
50
40
30
20
10
0
10k
100k
1410 G09
1M
10M
Signal-to-Noise Ratio vs
Input Frequency
INPUT FREQUENCY (Hz)
1k
SIGNAL-TO-NOISE
RATIO
(dB)
80
70
60
50
40
30
20
10
0
10k
100k
1410 G02
1M
10M
Intermodulation Distortion Plot
FREQUENCY (kHz)
0
AMPLITUDE
(dB)
0
–20
–40
–60
–80
–100
–120
100
200
300
400
1410 G05
500
600
fSAMPLE = 1.25MHz
fIN1 = 88.19580078kHz
fIN2 = 111.9995117kHz
Power Supply Feedthrough
vs Ripple Frequency
RIPPLE FREQUENCY (Hz)
AMPLITUDE
OF
POWER
SUPPLY
FEEDTHROUGH
(dB)
0
–20
–40
–60
–80
–100
–120
1k
100k
1M
10M
1410 G08
10k
VRIPPLE = 0.1V
VSS
VDD
DGND
OUTPUT CODE
0
INL
ERROR
(LSB)
4096
1410 G07
1024
2048
3072
1.0
0.5
0
–0.5
–1.0
512
1536
2560
3504
OUTPUT CODE
0
DNL
ERROR
(LSB)
4096
1410 G06
1024
2048
3072
1.0
0.5
0
–0.5
–1.0
512
1536
2560
3504