Datasheet

LTC2157-12/
LTC2156-12/LTC2155-12
8
21576512f
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2157-12: Integral Nonlinearity
(INL)
LTC2157-12: Differential Nonlinearity
(DNL)
LTC2157-12: 32K Point FFT,
f
IN
= 15MHz, –1dBFS, 250Msps
LTC2157-12: 32K Point FFT,
f
IN
= 70MHz, –1dBFS, 250Msps
LTC2157-12: 32K Point FFT,
f
IN
= 122MHz, –1dBFS, 250Msps
LTC2157-12: 32K Point FFT,
f
IN
= 380MHz, –1dBFS, 250Msps
LTC2157-12: 32K Point FFT,
f
IN
= 420MHz, –1dBFS, 250MHz
LTC2157-12: 32K Point FFT,
f
IN
= 229MHz, –1dBFS, 250Msps
LTC2157-12: 32K Point FFT,
f
IN
= 171MHz, –1dBFS, 250Msps
OUTPUT CODE
0
–2.0
–1.5
–1.0
–0.5
INL ERROR (LSB)
0
0.5
2.0
1.5
1.0
4095
21576512 G01
OUTPUT CODE
0
–0.50
–0.25
DNL ERROR (LSB)
0
0.25
0.50
4095
21576512 G02
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
21576512 G03
100 120
–20
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
21576512 G04
100 120
–20
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
21576512 G05
100 120
–20
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
21576512 G06
100 120
–20
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
21576512 G07
100 120
–20
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
21576512 G08
100 120
–20
FREQUENCY (MHz)
0
–120
AMPLITUDE (dBFS)
–100
–80
–60
–40
0
20
40 60 80
21576512 G09
100 120
–20