LTC2378-16
Typical perForMance characTerisTics TA = 2.°C, VDD = 20.V, OVDD = 20.V, VCM = 20.V,
REF = .V, fSMP5 = 1Msps, unless otherwise noted0
Integral Nonlinearity
vs Output Code
Differential Nonlinearity
vs Output Code
DC Histogram
1.0
0.8
0.5
0.4
140000
120000
100000
80000
60000
40000
20000
0
σ = 0.15
0.6
0.3
0.4
0.2
0.2
0.1
0.0
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
–0.1
–0.2
–0.3
–0.4
–0.5
0
16384
32768
49152
65536
0
16384
32768
49152
65536
32676
32677
32678
CODE
32679
32680
OUTPUT CODE
OUTPUT CODE
237816 G01
237816 G02
237816 G03
THD, Harmonics
32k Point FFT fS = 1Msps,
fIN = 2kHz
vs Input Frequency
SNR, SINAD vs Input Frequency
0
–20
98.0
97.5
97.0
96.5
96.0
95.5
95.0
94.5
94.0
93.5
93.0
–80
–90
SNR = 97.2dB
THD
2ND
3RD
SNR
THD = –121.7dB
SINAD = 97.1dB
SFDR = 128dB
–40
–60
–100
–110
–120
–130
–140
–80
SINAD
–100
–120
–140
–160
–180
0
100
200
300
400
500
0
25 50 75 100 125 150 175 200
0
25 50 75 100 125 150 175 200
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
237816 G05
237816 G06
237816 G04
SNR, SINAD vs Input level,
fIN = 2kHz
SNR, SINAD vs Reference
Voltage, fIN = 2kHz
THD, Harmonics vs Reference
Voltage, fIN = 2kHz
98.0
97.5
97.0
96.5
96.0
95.5
95.0
94.5
94.0
98.0
97.5
97.0
96.5
96.0
–100
–105
–110
–115
–120
–125
–130
–135
–140
–145
–150
SNR
SNR
SINAD
THD
3RD
SINAD
2ND
2.5
3.0
3.5
4.0
4.5
5.0
–40
–30
–20
–10
0
2.5
3.0
3.5
4.0
4.5
5.0
REFERENCE VOLTAGE (V)
INPUT LEVEL (dB)
REFERENCE VOLTAGE (V)
237816 G08
237816 G07
237816 G09
237816f
6
LINEAR_DIMENSIONS [ Linear Dimensions ]
