LTC1968 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1968 Datasheet PDF : 28 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC1968
Performance vs Crest Factor
201.0
200.8
200.6
200mVRMS SCR WAVEFORMS
CAVE = 10µF
O.1%/DIV
200.4
20Hz
200.2
200.0
199.8
199.6
1kHz
10kHz
60Hz
199.4
199.2
199.0
1
2
3
4
5
CREST FACTOR
1968 G05
DC Linearity
0.10
CAVE = 10µF
0.08 VIN2 = MIDSUPPLY
0.06
0.04
0.02
0
–0.02
–0.04
–0.06 EFFECT OF OFFSETS
–0.08 MAY BE POSITIVE OR
NEGATIVE AT VIN = 0V
–0.10
–500 –300 –100 100
VIN1 (mV)
300 500
1968 G08
Power Supply and ENABLE Pin
Current vs ENABLE Voltage
3.0
300
2.5
200
2.0
IS
100
1.5
IEN
0
1.0
–100
0.5
0
–200
–0.5
–300
–1.0
0
1
2
3
4
5
ENABLE PIN VOLTAGE (V)
–400
6
1968 G11
Performance vs Large Crest Factor
220
20Hz
210
10kHz
200
190
40kHz
60Hz
1kHz
180
170
160
150
140 200mVRMS SCR WAVEFORMS
130 CAVE = 10µF
5%/DIV
120
12 3 4 5 6 7 8
CREST FACTOR
1968 G06
Supply Current vs Supply Voltage
3.0
2.5
2.0
1.5
1.0
0.5
0
012
3
4
56
SUPPLY VOLTAGE (V)
1968 G09
AC Linearity
0.20
SINEWAVES
0.15 CAVE = 10µF
VIN2 = MIDSUPPLY
0.10
0.05
0
–0.05
60Hz
40kHz
–0.10
–0.15
–0.20
0
100 200 300 400 500
VIN1 (mV ACRMS)
1968 G07
Supply Current vs Temperature
2.44
2.42
2.40
2.38
2.36
2.34
2.32
2.30
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1968 G10
Input Signal Bandwidth
vs RMS Value
1000
–3dB
1% ERROR
100
1% ERROR
10
1k
10k 100k 1M 10M 100M
INPUT SIGNAL FREQUENCY (Hz)
1968 G12
Input Signal Bandwidth
202
200
198
196
194
192
190
188
186 1%/DIV
184 CAVE = 10µF
182 VIN = 200mVRMS
100
1k
10k 100k 1M 10M
INPUT SIGNAL FREQUENCY (Hz)
1968 G13
1968f
5
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