LTC2990CMS Просмотр технического описания (PDF) - Linear Technology
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LTC2990CMS Datasheet PDF : 24 Pages
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LTC2990
Typical Performance Characteristics TA = 25°C, VCC = 3.3V unless otherwise noted
Single-Ended Noise
4000
4800 READINGS
3500
3000
2500
2000
1500
1000
500
0
–3
–2 –1 0 1 2
LSBs (305.18µV/LSB)
3
2990 G10
LTC2990 Differential Noise
500
800 READINGS
400
300
200
100
0
–4 –3 –2 –1 0 1 2 3
LSBs (19.42µV/LSB)
2990 G13
TINT Noise
500
1000 READINGS
400
300
200
100
0
–0.75 –0.5 –0.25 0 0.25
(°C)
0.5 0.75
2990 G16
Single-Ended Transfer Function
6
5
VCC = 5V
4
VCC = 3.3V
3
2
1
0
–1
–1 –0 1 2 3 4 5 6
VX (V)
2990 G11
Differential Transfer Function
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0.4
V1-V2 (V)
2990 G14
Remote Diode Noise
600
1000 READINGS
500
400
300
200
100
0
–0.75 –0.5 –0.25 0 0.25
(°C)
0.5 0.75
2990 G17
Single-Ended INL
1.0
0.5
VCC = 3.3V
0
VCC = 5V
–0.5
–1.0
0
1
2
3
4
5
VX (V)
2990 G12
Differential INL
2
1
0
–1
–2
–0.4
–0.2
0
VIN (V)
0.2
0.4
2990 G15
POR Thresholds vs Temperature
2.6
2.4
VCC RISING
2.2
2.0
VCC FALLING
1.8
1.6
1.4
1.2
1.0
–50 –25 0
25 50 75
TAMB (°C)
100 125 150
2990 G18
2990f
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