Datasheet

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
V
IN
= 0dB
V
IN
= –20dB
V
IN
= –60dB
f
SAMPLE
= 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
f
SAMPLE
= 1.25MHz
f
IN1
= 88.19580078kHz
f
IN2
= 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
V
RIPPLE
= 0.1V
V
SS
V
DD
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