Datasheet
LTC2309
6
2309fd
tYpICAL peRFORMAnCe CHARACteRIstICs
Integral Nonlinearity
vs Output Code
1kHz Sine Wave
8192 Point FFT Plot
Supply Current
vs Sampling Frequency
Offset Error vs Temperature Full-Scale Error vs Temperature
Supply Current vs Temperature Sleep Current vs Temperature
Analog Input Leakage Current
vs Temperature
T
A
= 25°C, V
DD
= 5V, f
SMPL
= 14ksps, unless otherwise noted.
Differential Nonlinearity
vs Output Code
OUTPUT CODE
0
INL (LSB)
0
0.25
0.50
4096
2309 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
2309 G02
–0.25
–0.50
–1.00
1024
2048
3072
–0.75
1.00
0.75
FREQUENCY (kHz)
0
–140
MAGNITUDE (dB)
–120
–100
–80
0
–40
1
3
4 7
2309 G03
–20
–60
2
5
6
SNR = 73.4dB
SINAD = 73.3dB
THD = –88dB
SAMPLING FREQUENCY (ksps)
0.1
0
SUPPLY CURRENT (mA)
1.5
2.0
2.5
1 10 100
3209 G04
1.0
0.5
TEMPERATURE (°C)
–50
OFFSET ERROR (LSB)
1.5
25
2309 G05
0
–1.0
–25 0 50
–0.5
–2.0
2.0
1.0
0.5
–0.5
75 100 125
UNIPOLAR
BIPOLAR
TEMPERATURE (°C)
–50 –25
–6
FULL-SCALE ERROR (LSB)
–2
4
0
50
75
2309 G06
–4
2
0
25
100
125
UNIPOLAR
BIPOLAR
TEMPERATURE (°C)
–50
1.0
SUPPLY CURRENT (mA)
1.2
1.6
1.8
2.0
3.0
2.4
0
50
75
2309 G07
1.4
2.6
2.8
2.2
–25
25
100
125
TEMPERATURE (°C)
–50
0
LEAKAGE CURRENT (nA)
100
300
400
500
1000
700
0
50
75
2309 G09
200
800
900
600
–25
25
100
125
CH (ON)
CH (OFF)
TEMPERATURE (°C)
–50 –25
0
SLEEP CURRENT (µA)
4
10
0
50
75
2309 G08
2
8
6
25
100
125