ltc1967 Linear Technology Corporation, ltc1967 Datasheet - Page 5
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ltc1967
Manufacturer Part Number
ltc1967
Description
Precision Extended Bandwidth, Rms-to-dc Converter
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC1967.pdf
(28 pages)
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TYPICAL PERFOR A CE CHARACTERISTICS
–0.02
–0.04
–0.06
–0.08
–0.10
201.0
200.6
200.4
200.0
199.8
199.6
199.4
199.2
199.0
200.8
200.2
–100
0.10
0.08
0.06
0.04
0.02
500
400
300
200
100
0
–500
0
0
1
Performance vs Crest Factor
Shutdown Current
vs ENABLE Voltage
DC Linearity
C
V
EFFECTS OF OFFSETS
MAY BE POSITIVE OR
NEGATIVE AT V
200mV
C
O.1%/DIV
AVE
IN2
AVE
= MIDSUPPLY
= 1 F
= 10 F
1
–300
RMS
ENABLE PIN VOLTAGE (V)
2
SCR WAVEFORMS
2
CREST FACTOR
–100
IN
I
S
V
= 0V
IN1
3
3
(mV)
100
20Hz
4
W
I
60Hz
4
EN
300
1kHz
5
1967 G08
1967 G11
1967 G05
U
500
6
5
300
200
100
0
–100
–200
–300
–400
450
400
350
300
250
200
150
100
220
210
200
190
180
170
160
150
140
130
120
50
0
1000
0
100
1
Performance vs Large Crest Factors
10
200mV
C
5%/DIV
1
AVE
Supply Current vs Supply Voltage
100
Input Signal Bandwidth
vs RMS Value
2
= 10 F
1
RMS
INPUT SIGNAL FREQUENCY (Hz)
SUPPLY VOLTAGE (V)
3
1k
SCR WAVEFORMS
2
0.1% ERROR
CREST FACTOR
1% ERROR
10Hz
4
10k
3
60Hz
5
4
100k
6
20Hz
10kHz
5
ERROR
–3dB
7
1967 G09
1M
1kHz
1967 G06
10%
1967 G12
8
6
10M
–0.05
–0.10
–0.15
–0.20
0.20
0.15
0.10
0.05
335
325
315
200
198
196
194
190
188
186
184
182
345
340
330
320
202
192
0
100
–55
0
Input Signal Bandwidth
AC Linearity
Supply Current vs Temperature
1%/DIV
C
V
60Hz SINEWAVES
C
V
AVE
S
AVE
IN2
–35
= 5V
= 1 F
= MIDSUPPLY
= 10 F
INPUT SIGNAL FREQUENCY (Hz)
100
1k
–15
TEMPERATURE ( C)
V
5
IN1
200
10k
(mV AC
25
LTC1967
45
100k
300
RMS
65
)
85 105
400
1M
1967 G10
1967 G13
1967 G07
5
1967f
10M
500
125