LTC2372-16_15 Datasheet, PDF (14/50 Pages) Linear Technology – 16-Bit, 500ksps, 8-Channel SAR ADC with 96dB SNR

LTC2372-16
Typical Performance Characteristics T_A = 25°C, V_DD = 5V, OV_DD = 2.5V, REFIN = 2.048V,
f_SMPL = 500ksps, unless otherwise noted.
Supply Current vs Temperature
6
5
I_VDD
4
3
2
1
I_OVDD
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
237218 G55
Sleep Current vs Temperature
100
80
60
40
20
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
237218 G56
Input Leakage Current vs Temperature
(MUXOUT± Shorted to ADCIN±)
200
ON CHANNEL, V(CHx,COM) = 5V
OFF CHANNEL, V(CHx,COM) = 5V
ON CHANNEL, V(CHx,COM) = 0V
100
OFF CHANNEL, V(CHx,COM) = 0V
60
–100
–200
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
237218 G57
Internal Reference Output vs
Temperature
2.052
2.051
2.050
2.049
2.048
2.047
2.046
2.045
2.044
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
237218 G58
Internal Reference Output
Temperature Coefficient Distribution
40
35
30
25
20
15
10
5
0
–12 –10 –8 –6 –4 –2 0 2 4 6 8 10 12
DRIFT (ppm/°C)
237218 G59
Supply Current vs Sampling Rate
5
I_VDD
4
3
2
1
I_OVDD
0
0
100 200 300 400 500
SAMPLING FREQUENCY (kHz)
237218 G60
Crosstalk FFT (AC Crosstalk-
Channel Adjacent to MUXOUT)
0
SFDR = 107.3dB
–20
f_IN = 100kHz
–40
–60
–80
–100
–120
–140
–160
–180
0
50
100 150 200 250
FREQUENCY (kHz)
237216 G61
Crosstalk FFT (AC Crosstalk-
Channel NOT Adjacent to MUXOUT)
0
SFDR = 127dB
–20
f_IN = 100kHz
–40
–60
–80
–100
–120
–140
–160
–180
0
50 100 150 200 250
FREQUENCY (kHz)
237216 G62
14
For more information www.linear.com/LTC2372-16
237216f