Datasheet

LTC2360/LTC2361/LTC2362
8
236012fa
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
DD
= OV
DD
= V
REF
(LTC2362, Note 4)
SINAD vs Input Frequency
248kHz Sine Wave 8192 FFT Plot
THD vs Input Frequency
INPUT FREQUENCY (kHz)
SINAD (dB)
2306012 G25
74
72
73
70
71
69
1 100 100010
V
DD
= 3.6V
V
DD
= 3.0V
V
DD
= 2.35V
INPUT FREQUENCY (kHz)
THD (dB)
2306012 G26
–67
–75
–71
–87
–79
–83
–91
1 100 100010
V
DD
= 3.6V
V
DD
= 3.0V
V
DD
= 2.35V
INPUT FREQUENCY (kHz)
0
MAGNITUDE (dB)
0
–20
–60
–100
–40
–80
–120
–140
100 200
2306012 G27
25015050
V
DD
= 3V
f
SMPL
= 500ksps
Differential Nonlinearity
vs Output Code
OUTPUT CODE
0
0.6
0.8
3072
3584
236012 G20
–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
Histogram for 16384 Conversions
Supply Current vs Sample Rate
CODE
COUNT
10000
8000
4000
6000
2000
0
20472045 2049
236012 G22
20502046 2048
V
DD
= 3V
SAMPLE RATE (ksps)
0
SUPPLY CURRENT (µA)
1200
600
800
1000
200
400
0
400200
236012 G23
500300100
V
DD
= 3.6V
Integral Nonlinearity
vs Output Code
OUTPUT CODE
0
0.6
0.8
3072
3584
236012 G19
–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
Integral and Differential Nonlinearity
vs Reference Voltage (TS8 Package)
Reference Current vs Sample
Rate (TS8 Package)
REFERENCE VOLTAGE (V)
0.8
0.6
0.8
3.2
236012 G21
–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
V
DD
= 3.6V
MIN DNL
MAX INL
MIN INL
MAX DNL
SAMPLE RATE (ksps)
0
REFERENCE CURRENT (µA)
80.0
60.0
20.0
40.0
0.0
100
236012 G24
50050
V
DD
= 3.6V
200 250 300 350 400 450150