Datasheet

LTC2301/LTC2305
8
23015fb
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Nonlinearity
vs Output Code
Differential 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
(LTC2305) T
A
= 25°C, V
DD
= 5V, f
SMPL
= 14ksps, unless otherwise noted.
OUTPUT CODE
0
INL (LSB)
1.00
0.75
0.25
–0.25
–0.75
0.50
0.00
–0.50
–1.00
20481024 3072
23015 G10
4096
OUTPUT CODE
0
DNL (LSB)
1.00
0.75
0.25
–0.25
–0.75
0.50
0.00
–0.50
–1.00
20481024 3072
23015 G11
4096
FREQUENCY (kHz)
0
MAGNITUDE (dB)
0
–70
–60
–50
–40
–30
–20
–10
–90
–110
–130
–80
–100
–120
–140
51234 6
23015 G12
7
SNR = 73.2 dB
SINAD = 73.1 dB
THD = –90dB
SAMPLING FREQUENCY (ksps)
SUPPLY CURRENT (mA)
23015 G13
2.5
1.0
1.5
2.0
0.5
0
0.1 10 1001
TEMPERATURE (°C)
–50
OFFSET ERROR (LSB)
1.0
0.0
0.5
–0.5
500 100
23015 G14
12525–25 75
BIPOLAR
UNIPOLAR
TEMPERATURE (°C)
–50
FULL-SCALE ERROR (LSB)
4
2
–2
0
–4
–6
500 100
23015 G15
12525–25 75
BIPOLAR
UNIPOLAR
TEMPERATURE (°C)
–50
SUPPLY CURRENT (mA)
2.4
2.2
1.6
1.8
1.4
500 100
23015 G16
12525–25 75
TEMPERATURE (°C)
–50
SLEEP CURRENT (µA)
10
8
2
4
6
0
500 100
23015 G17
12525–25 75
TEMPERATURE (°C)
–50
LEAKAGE CURRENT (nA)
1000
800
900
700
200
100
400
300
600
500
0
500 100
23015 G18
12525–25 75
CH(ON)
CH(OFF)