LTC2366 Linear Technology, LTC2366 Datasheet - Page 6

• Manufacturer Part Number: LTC2366
• Description: (LTC2365 / LTC2366) 12-Bit Serial Sampling ADCs
• Manufacturer: Linear Technology

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LTC2365/LTC2366
TYPICAL PERFORMANCE CHARACTERISTICS
6
10000
2000
8000
6000
4000
–0.2
–0.4
–0.6
–0.8
–1.0
–81
–82
–84
–86
–87
–88
–83
–85
1.0
0.8
0.6
0.4
0.2
0
0
100
Integral Nonlinearity
vs Output Code
0
Histogram for 16384 Conversions
THD vs Input Frequency
R
f
V
V
SMPL
2045
V
IN
DD
DD
DD
= 10Ω
= 3V
= 3V
= 2.35V
= 1Msps
2046
1024
INPUT FREQUENCY (kHz)
OUTPUT CODE
2047
V
DD
CODE
2048
= 3V
2048
2049
3072
V
DD
= 3.6V
23656 G01
2050
23656 G04
23656 G07
1000
4096
73.5
73.3
72.9
–0.2
–0.4
–0.6
–0.8
–1.0
73.1
72.5
72.7
–78
–79
–80
–81
–82
–83
1.0
0.8
0.6
0.4
0.2
0
100
0
0
Differential Nonlinearity
vs Output Code
SNR vs Input Frequency
THD vs Input Resistance
V
f
f
V
SMPL
IN
DD
DD
= 1MHz
= 3V
= 3V
V
V
= 1Msps
V
DD
DD
1024
DD
25
INPUT FREQUENCY (kHz)
= 2.35V
INPUT RESISTANCE (Ω)
= 3.6V
= 3V
OUTPUT CODE
2048
50
3072
75
T
23656 G02
23656 G05
23656 G08
A
= 25°C, V
1000
4096
100
–120
–140
DD
–0.2
–0.4
–0.6
–0.8
–1.0
73.2
73.0
72.8
72.6
72.4
72.2
72.0
–100
1.0
0.8
0.6
0.4
0.2
–20
–40
–60
–80
0
0
= OV
2.1
100
0
Integral and Differential
Nonlinearity vs Supply Voltage
SINAD vs Input Frequency
461kHz Sine Wave 8192 FFT Plot
V
f
f
SINAD = 72.8dB
THD = –86.1dB
SMPL
IN
DD
= 461kHz
DD
= 3V
V
V
2.4
= 1Msps
100
DD
V
DD
= V
DD
INPUT FREQUENCY (kHz)
= 2.35V
INPUT FREQUENCY (kHz)
= 3.6V
SUPPLY VOLTAGE (V)
= 3V
REF
2.7
200
(LTC2365, Note 4)
MAX INL
MIN DNL
3.0
300
3.3
400
MAX DNL
MIN INL
23656 G03
23656 G06
23656 G09
23656f
1000
3.6
500