Datasheet

LTC2382-16
6
238216f
TYPICAL PERFORMANCE CHARACTERISTICS
32k Point FFT f
S
= 500Ksps,
f
IN
= 20kHz SNR, SINAD vs Input Frequency
THD, Harmonics
vs Input Frequency
SNR, SINAD vs Input level,
f
IN
= 20kHz SNR, SINAD vs Temperature THD, Harmonics vs Temperature
Integral Nonlinearity
vs Output Code
Differential Nonlinearity
vs Output Code DC Histogram
OUTPUT CODE
0 16384 32768 49152 65536
–2.0
INL ERROR (LSB)
0.0
0.5
1.0
1.5
–0.5
–1.0
–1.5
2.0
238216 G01
OUTPUT CODE
0 16384 32768 49152 65536
–1.0
DNL ERROR (LSB)
0.5
0.0
–0.5
1.0
238216 G02
T
A
= 25°C, V
DD
= 2.5V, OV
DD
= 2.5V, REF = 2.5V,
f
SMPL
= 500ksps, unless otherwise noted.
CODE
32765 32766 32767 32768 32769
0
COUNTS
1400000
1600000
1200000
1000000
800000
600000
400000
200000
1800000
238216 G03
FREQUENCY (kHz)
0 50 100 150 200 25
0
–180
AMPLITUDE (dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
238216 G04
SNR = 92.2dB
THD = –106dB
SINAD = 92dB
SFDR = 107dB
FREQUENCY (kHz)
SNR, SINAD (dBFS)
93
238216 G05
84
85
86
87
88
89
90
91
92
0 25 50 75 100 125 150 175 200
SNR
SINAD
FREQUENCY (kHz)
HARMONICS, THD (dBFS)
–80
238216 G06
–130
–125
–120
–115
–110
–105
–100
–95
–85
–90
0 25 50 75 100 125 150 175 200
THD
3RD
2ND
INPUT LEVEL (dB)
SNR, SINAD (dBFS)
93.0
238216 G07
91.0
91.5
92.0
92.5
–40 –30 –20 –10 0
SNR
SINAD
TEMPERATURE (ºC)
SNR, SINAD (dBFS)
94.00
238216 G08
91.00
91.50
92.00
92.50
93.00
93.50
–55 –35 –15 5 25 45 65 85 105 125
SNR
SINAD
TEMPERATURE (°C)
THD
2ND
3RD
–55 –35 –15 25 455 65 85 105 125
–120
HARMONICS, THD (dBFS)
–110
–115
–105
–100
238216 G09