Datasheet

LTC2313-12
6
231312fa
For more information www.linear.com/LTC2313-12
Typical perForMance characTerisTics
16k Point FFT, f
S
= 2.5Msps
f
IN
= 497kHz
SNR, SINAD vs Input Frequency
(100kHz to 1.2MHz)
THD, Harmonics vs Input
Frequency (100kHz to 1.2MHz)
THD, Harmonics vs Input
Frequency (100kHz to 1.2MHz)
SNR, SINAD vs Temperature,
f
IN
= 497kHz
THD, Harmonics vs Temperature,
f
IN
= 497kHz
Integral Nonlinearity
vs Output Code
Differential Nonlinearity
vs Output Code
DC Histogram Near Mid-Scale
(Code 2048)
T
A
= 25°C, V
DD
= 5V, OV
DD
= 2.5V, f
SMPL
= 2.5Msps,
unless otherwise noted.
OUTPUT CODE
0
–1.00
–0.50
–0.75
INL (LSB)
–0.25
0.25
0.0
0.50
0.75
1.00
1024
2048 3072 4096
512
1536 2560 3584
231312 G01
OUTPUT CODE
–1.00
–0.75
–0.50
DNL (LSB)
–0.25
0.25
0.00
0.50
0.75
1.00
231312 G02
0
1024
2048 3072 4096
512
1536 2560 3584
CODE
COUNTS
2047
2048
231312 G03
2046
2049
σ = 0.33
0
4000
8000
16000
12000
TEMPERATURE (°C)
–55 –35
–100
–95
THD, HARMONICS (dB)
–90
–85
–80
–75
–15 5 25 45 65 85 105 125
231312 G09
THD
3RD
2ND
V
DD
= 3V
INPUT FREQUENCY (kHz)
0
68
69
SNR, SINAD (dBFS)
71
70
72
73
74
500250 750 1000 1250
231312 G05
SINAD
SNR
SINAD
SNR
V
DD
= 5V
V
DD
= 3V
INPUT FREQUENCY (kHz)
0
–105
–95
–100
THD, HARMONICS (dB)
–90
–85
–80
–75
500250 750 1000 1250
231312 G06
THD
2ND
3RD
R
IN
/C
IN
= 50Ω/47pF
f
S
= 2.5Msps
V
DD
= 5V
INPUT FREQUENCY (kHz)
0
–105
–95
–100
THD, HARMONICS (dB)
–90
–85
–80
–75
500250 750 1000
1250
231312 G07
THD
2ND
3RD
R
IN
/C
IN
= 50Ω/47pF
f
S
= 2.5Msps
V
DD
= 3V
69
71
70
72
73
74
TEMPERATURE (°C)
–55 –35
SNR, SINAD (dBFS)
–15 5 25 45 65 85 105 125
231312 G08
SNR
SNR
SINAD
SINAD
V
DD
= 5V
V
DD
= 3V
231312 G04
INPUT FREQUENCY (kHz)
AMPLITUDE (dBFS)
0 1000
500250
750
0
–20
–40
–60
–80
–100
–120
–140
–160
V
DD
= 5V
SNR = 73dBFS
SINAD = 72.6dBFS
THD = –84dB
SFDR = 87dB