Datasheet

5
LTC1415
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
INPUT FREQUENCY (Hz)
SIGNAL/(NOISE + DISTORTION) (dB)
80
70
60
50
40
30
20
10
0
1k 100k 1M 2M
LTC1415 • TPC01
10k
V
IN
= 0dB
V
IN
= –20dB
V
IN
= –60dB
S/(N + D) vs Input Frequency
and Amplitude
INPUT FREQUENCY (Hz)
AMPLITUDE (dB BELOW THE FUNDAMENTAL)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
LTC1415 • TPC03
THD
2ND
3RD
1k 100k 1M 2M10k
Distortion vs Input Frequency
INPUT FREQUENCY (Hz)
SIGNAL-TO -NOISE RATIO (dB)
80
70
60
50
40
30
20
10
0
1k
LTC1415 • TPC02
100k 1M 2M10k
Signal-to-Noise Ratio vs
Input Frequency
Spurious-Free Dynamic Range vs
Input Frequency Intermodulation Distortion Plot
INPUT FREQUENCY (Hz)
10k
SPURIOUS-FREE DYNAMIC RANGE (dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
100k 1M 2M
LTC1415 • TPC04
FREQUENCY (Hz)
0
AMPLITUDE (dB)
0
–20
–40
–60
–80
–100
–120
200k 300k 600k
LTC1415 • TPC05
100k 400k 500k
fb – fa
2fb – fa
2fa – fb
2fa
2fb
3fb
fa + 2fb
3fa
2fa + fb
fa + fb
f
SAMPLE
= 1.25MHz
f
IN1
= 86.97509766kHz
f
IN2
= 113.2202148kHz
Integral Nonlinearity vs
Output Code
OUTPUT CODE
0
INL ERROR (LSBs)
1.00
0.50
0.00
–0.50
–1.00
512 1024 1536
LTC1415 • TPC07
2048 2560 3072 3584 4096
Differential Nonlinearity vs
Output Code
OUTPUT CODE
0
DNL ERROR (LSBs)
1.00
0.50
0.00
–0.50
–1.00
512 1024 1536
LTC1415 • TPC06
2048 2560 3072 3584 4096