LT1175-5 Просмотр технического описания (PDF) - Linear Technology
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LT1175-5 Datasheet PDF : 38 Pages
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LTC1966
Typical Performance Characteristics
Gain and Offsets vs VSS Supply
0.5
0.5
0.4 VDD = 5V
0.4
0.3
0.3
0.2
0.1 GAIN ERROR
VOOS
VIOS 0.2
0.1
0
0
–0.1
– 0.1
–0.2
– 0.2
–0.3
– 0.3
–0.4
– 0.4
–0.5
–6 –5 –4 –3 –2 –1
VSS (V)
–0.5
0
1966 G11
Gain and Offsets vs VDD Supply
0.5
1
0.4 VSS = GND
0.8
0.3
0.6
VIOS
0.2
0.4
0.1
0.2
0
GAIN ERROR
0
–0.1
– 0.2
VOOS
–0.2
– 0.4
–0.3
– 0.6
–0.4
– 0.8
–0.5
–1.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VDD (V)
1966 G10
Performance vs Crest Factor
201.0
200.8
200mVRMS SCR WAVEFORMS
CAVE = 10µF
VDD = 5V
O.1%/DIV
200.6
200.4
200.2
20Hz
100Hz
60Hz
200.0
199.8
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
CREST FACTOR
1966 G15
Performance vs Large Crest Factors
230
FUNDAMENTAL
220
FREQUENCY
20Hz
210
60Hz
200
100Hz 250Hz
190
180
170 200mVRMS SCR WAVEFORMS
160
CAVE = 4.7µF
VDD = 5V
5%/DIV
150
12 3 4 5 6
CREST FACTOR
78
1966 G12
AC Linearity
0.20
60Hz SINEWAVES
0.15 CAVE = 1µF
VIN2 = GND
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
0
50 100 150 200 250 300 350 400 450 500
VIN1 (mV ACRMS)
1966 G13
Output Accuracy vs Signal
Amplitude
10
1% ERROR
5
AC INPUTS = 60Hz
SINEWAVES
VIN2 = GND
0
–5
–1% ERROR
–10
–15
–20
0
AC INPUT
VDD = 3V
0.5
1
AC INPUT
VDD = 5V
DC INPUT
VDD = 5V
1.5
2
2.5
VIN1 (VRMS)
1966 G24
DC Linearity
0.10
CAVE = 1µF
0.08 VIN2 = GND
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
EFFECT OF OFFSETS
MAY BE POSITIVE
OR NEGATIVE
–0.10
–500
–300
–100 100
VIN1 (mV)
300 500
1966 G14
6
Quiescent Supply Currents
vs Supply Voltage
200
VSS = GND
175
IDD
150
125
100
75
50
25
0
–25
0
ISS
1
23
4
5
6
VDD SUPPLY VOLTAGE (V)
1966 G16
Shutdown Currents
vs ENABLE Voltage
250
VDD = 5V
200
IDD
150
100
50
0
ISS
500
IEN 250
0
–50
–250
–100
0
1
2
3
4
5
ENABLE PIN VOLTAGE (V)
–500
6
1966 G18
1966fb
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