LTC2366 Linear Technology, LTC2366 Datasheet - Page 7

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

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TYPICAL PERFORMANCE CHARACTERISTICS
10000
–0.2
–0.4
–0.6
–1.0
–0.8
2000
8000
6000
4000
–72
–74
–78
–80
–82
–84
–86
–88
0.2
-76
1.0
0.8
0.6
0.4
0
100
0
0
Integral Nonlinearity
vs Output Code
Histogram for 16384 Conversions
THD vs Input Frequency
R
f
V
SMPL
V
IN
DD
2045
DD
V
V
= 10Ω
DD
= 3V
DD
= 3V
= 3Msps
= 3.6V
= 2.35V
1024
2046
INPUT FREQUENCY (kHz)
OUTPUT CODE
2047
2048
CODE
2048
V
DD
= 3V
3072
2049
1000
23656 G10
23656 G16
2050
23656 G13
1500
4096
–0.2
–0.4
–0.6
–1.0
–0.8
73.2
73.0
72.6
72.8
72.2
72.4
–64
–74
–76
–78
0.2
–66
–68
–70
–72
1.0
0.8
0.6
0.4
0
100
0
0
Differential Nonlinearity
vs Output Code
SNR vs Input Frequency
THD vs Input Resistance
V
V
f
f
SMPL
IN
DD
DD
= 1.5MHz
= 3V
= 3V
= 3Msps
1024
25
INPUT FREQUENCY (kHz)
INPUT RESISTANCE (Ω)
OUTPUT CODE
V
V
DD
V
DD
DD
2048
50
= 2.35V
= 3.6V
= 3V
3072
75
1000 1500
T
23656 G11
23656 G14
23656 G17
A
= 25°C, V
4096
100
LTC2365/LTC2366
–100
–120
–140
DD
73.0
72.5
72.0
71.5
71.0
70.5
70.0
–0.2
–0.4
–0.6
–0.8
–1.0
–20
–40
–60
–80
1.0
0.8
0.6
0.4
0.2
0
0
= OV
2.1
100
0
Integral and Differential
Nonlinearity vs Supply Voltage
SINAD vs Input Frequency
1MHz Sine Wave 8192 FFT Plot
V
f
f
SINAD = 72dB
THD = –80.3dB
SMPL
IN
DD
V
DD
= 994kHz
DD
250
= 3V
= 2.35V
= 3Msps
2.4
= V
MIN INL
MIN DNL
V
INPUT FREQUENCY (kHz)
INPUT FREQUENCY (kHz)
DD
SUPPLY VOLTAGE (V)
REF
500
= 3.6V
2.7
(LTC2366, Note 4)
750
V
DD
MAX INL
3.0
= 3V
1000
3.3
MAX DNL
1250
1000 1500
23656 G12
23656 G15
23656 G18
23656f
7
1500
3.6