Datasheet

LTC2302/LTC2306
6
23026fa
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Nonlinearity
vs Output Code
Differential Nonlinearity
vs Output Code
1kHz Sine Wave
8192 Point FFT Plot
SNR vs Input Frequency
SINAD vs Input Frequency THD vs Input Frequency
Supply Current
vs Sampling Frequency
Supply Current vs Temperature
(LTC2302) T
A
= 25°C, V
DD
= OV
DD
= 5V, V
REF
= 4.096V, f
SMPL
= 500ksps, unless otherwise noted.
OUTPUT CODE
0
INL (LSB)
0
0.25
0.50
4096
23026 G01
–0.25
–0.50
–1.00
1024
2048
3072
–0.75
1.00
0.75
OUTPUT CODE
0
DNL (LSB)
0
0.25
0.50
4096
23026 G02
–0.25
–0.50
–1.00
1024
2048
3072
–0.75
1.00
0.75
FREQUENCY (kHz)
0
–40
–20
0
200
23026 G03
–60
–80
50 100 150 250
–100
–120
–50
–30
–10
–70
–90
–110
–130
–140
MAGNITUDE (dB)
SNR = 73.2dB
SINAD = 72.8dB
THD = –89.5dB
FREQUENCY (kHz)
1
50
SNR (dB)
70
75
80
10 100 1000
23026 G04
65
60
55
FREQUENCY (kHz)
1
50
SINAD (dB)
70
75
80
10 100 1000
23026 G05
65
60
55
FREQUENCY (kHz)
1
–80
THD (dB)
–70
–60
10 100 1000
23026 G06
–90
–85
–75
–65
–95
–100
SAMPLING FREQUENCY (ksps)
1
2.0
SUPPLY CURRENT (mA)
2.5
3.0
3.5
10 100 1000
23026 G07
1.5
1.0
0.5
0
TEMPERATURE (°C)
–50
2.0
SUPPLY CURRENT (mA)
2.2
2.6
2.8
3.0
4.0
3.4
0
50
75
23026 G08
2.4
3.6
3.8
3.2
–25
25
100
125