LTC2378-16
REF = 5V, f
SMPL
= 1Msps, unless otherwise noted.
Integral Nonlinearity
vs Output Code
1.0
0.8
0.6
DNL ERROR (LSB)
INL ERROR (LSB)
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384
32768
49152
OUTPUT CODE
65536
237816 G01
Typical perForMance characTerisTics
Differential Nonlinearity
vs Output Code
0.5
0.4
0.3
0.2
T
A
= 25°C, V
DD
= 2.5V, OV
DD
= 2.5V, V
CM
= 2.5V,
DC Histogram
140000
120000
100000
COUNTS
80000
60000
40000
20000
σ
= 0.15
0.1
0.0
–0.1
–0.2
–0.3
–0.4
–0.5
0
16384
32768
49152
OUTPUT CODE
65536
237816 G02
0
32676
32677
32678
CODE
32679
32680
237816 G03
0
–20
–40
AMPLITUDE (dBFS)
–60
–80
–100
–120
–140
–160
–180
32k Point FFT f
S
= 1Msps,
f
IN
= 2kHz
SNR = 97.2dB
THD = –121.7dB
SINAD = 97.1dB
SFDR = 128dB
SNR, SINAD (dBFS)
SNR, SINAD vs Input Frequency
98.0
97.5
97.0
96.5
96.0
95.5
95.0
94.5
94.0
93.5
SINAD
SNR
HARMONICS, THD (dBFS)
–80
–90
–100
–110
–120
–130
–140
THD, Harmonics
vs Input Frequency
THD
2ND
3RD
0
100
200
300
FREQUENCY (kHz)
400
500
237816 G04
93.0
0
25
50
75 100 125 150 175 200
FREQUENCY (kHz)
237816 G05
0
25
50
75 100 125 150 175 200
FREQUENCY (kHz)
237816 G06
98.0
SNR, SINAD vs Input level,
f
IN
= 2kHz
98.0
97.5
SNR, SINAD vs Reference
Voltage, f
IN
= 2kHz
–100
–105
HARMONICS, THD (dBFS)
–110
–115
–120
–125
–130
–135
–140
–145
THD, Harmonics vs Reference
Voltage, f
IN
= 2kHz
97.5
SNR, SINAD (dBFS)
SNR, SINAD (dBFS)
SNR
97.0
SINAD
97.0
96.5
96.0
95.5
95.0
94.5
SNR
SINAD
THD
3RD
2ND
96.5
96.0
–40
–30
–20
–10
INPUT LEVEL (dB)
237816 G07
0
94.0
2.5
3.0
3.5
4.0
4.5
REFERENCE VOLTAGE (V)
5.0
237816 G08
–150
2.5
3.0
3.5
4.0
4.5
REFERENCE VOLTAGE (V)
5.0
237816 G09
237816f
6
LINEAR_DIMENSIONS [ LINEAR DIMENSIONS SEMICONDUCTOR ]
