Datasheet

5
LTC1967
1967f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Performance vs Large Crest Factors
AC Linearity
DC Linearity Supply Current vs Supply Voltage
Supply Current vs Temperature
Shutdown Current
vs ENABLE Voltage
Input Signal Bandwidth
vs RMS Value
Performance vs Crest Factor
CREST FACTOR
1
199.0
199.8
199.6
199.4
199.2
OUTPUT VOLTAGE (mV DC)
200.0
200.2
200.4
200.6
23
4
5
1kHz
1967 G05
200.8
201.0
200mV
RMS
SCR WAVEFORMS
C
AVE
= 10µF
O.1%/DIV
60Hz20Hz
CREST FACTOR
1
OUTPUT VOLTAGE (mV DC)
220
4
1967 G06
190
170
23 5
160
150
140
130
120
210
200
180
678
200mV
RMS
SCR WAVEFORMS
C
AVE
= 10µF
5%/DIV
60Hz
10Hz
10kHz
1kHz
20Hz
V
IN1
(mV AC
RMS
)
0
V
OUT
(mV DC) – V
IN
(mV AC
RMS
)
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
400
1967 G07
100 200 300 500
60Hz SINEWAVES
C
AVE
= 10µF
V
IN2
= MIDSUPPLY
V
IN1
(mV)
–500
{V
OUTDC
– |V
INDC
|} (mV)
0.02
0.06
0.10
300
1967 G08
–0.02
–0.06
0
0.04
0.08
–0.04
–0.08
–0.10
–300
–100
100
500
C
AVE
= 1µF
V
IN2
= MIDSUPPLY
EFFECTS OF OFFSETS
MAY BE POSITIVE OR
NEGATIVE AT V
IN
= 0V
SUPPLY VOLTAGE (V)
0
SUPPLY CURRENT (µA)
4
450
400
350
300
250
200
150
100
50
0
1967 G09
26
3
15
TEMPERATURE (°C)
–55
315
SUPPLY CURRENT (µA)
320
330
335
340
–15
25
45 125
1967 G10
325
–35 5
65
85
105
345
V
S
= 5V
ENABLE PIN VOLTAGE (V)
0
500
400
300
200
100
0
–100
0
–100
100
I
S
I
EN
–200
200
–300
300
–400
35
1967 G11
12
46
SUPPLY CURRENT (µA)
ENABLE PIN CURRENT (nA)
INPUT SIGNAL FREQUENCY (Hz)
10
OUTPUT DC VOLTAGE (mV)
100
100 10k 100k 1M
1967 G12
1
1k
1000
10M
0.1% ERROR 10%
ERROR
–3dB
1% ERROR
Input Signal Bandwidth
INPUT SIGNAL FREQUENCY (Hz)
100
190
OUTPUT DC VOLTAGE (mV)
192
194
196
198
1k 10k 100k 1M 10M
1967 G13
188
186
184
182
200
202
1%/DIV
C
AVE
= 1µF