Datasheet

LTC2360/LTC2361/LTC2362
7
236012fa
Differential Nonlinearity
vs Output Code
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
DD
= OV
DD
= V
REF
(LTC2361, Note 4)
Integral Nonlinearity
vs Output Code
Histogram for 16384 Conversions
Supply Current vs Sample Rate
SINAD vs Input Frequency
124kHz Sine Wave 8192 FFT Plot
THD vs Input Frequency
CODE
COUNT
10000
8000
4000
6000
2000
0
20472045 2049
236012 G13
20502046 2048
V
DD
= 3V
SAMPLE RATE (ksps)
0
SUPPLY CURRENT (µA)
800
600
200
400
0
200100
236012 G14
25015050
V
DD
= 3.6V
INPUT FREQUENCY (kHz)
SINAD (dB)
2306012 G16
74
72
73
70
71
69
1 100 100010
V
DD
= 3.6V
V
DD
= 2.35V
V
DD
= 3.0V
INPUT FREQUENCY (kHz)
THD (dB)
236012 G17
–71
–79
–77
–75
–73
–81
–83
–89
–87
–85
–91
V
DD
= 3.0V
1
V
DD
= 3.6V
100 1000
V
DD
= 2.35V
10
INPUT FREQUENCY (kHz)
0
MAGNITUDE (dB)
0
–20
–60
–100
–40
–80
–120
–140
50 100
2306012 G18
1257525
V
DD
= 3V
f
SMPL
= 250ksps
OUTPUT CODE
0
0.6
0.8
3072
3584
236012 G10
–0.4
–0.2
0
0.2
0.4
–0.8
–0.6
512
1024
1536
2048
2560
4096
–1
INL (LSB)
1
V
DD
= 3V
OUTPUT CODE
0
0.6
0.8
3072
3584
236012 G11
–0.4
–0.2
0
0.2
0.4
–0.8
–0.6
512
1024
1536
2048
2560
4096
–1
DNL (LSB)
1
V
DD
= 3V
Integral and Differential Nonlinearity
vs Reference Voltage (TS8 Package)
REFERENCE VOLTAGE (V)
0.8
0.6
0.8
3.2
236012 G12
–0.4
–0.2
0
0.2
0.4
–0.8
–0.6
1.2
1.6
2
2.4
2.8
3.6
–1
NONLINEARITY ERROR (LSB)
1
MIN DNL
MAX INL
MIN INL
MAX DNL
V
DD
= 3.6V
Reference Current vs Sample
Rate (TS8 Package)
SAMPLE RATE (ksps)
0
REFERENCE CURRENT (µA)
50.0
40.0
20.0
30.0
10.0
0.0
100
236012 G15
25050
V
DD
= 3.6V
200150