ltc1967 Linear Technology Corporation, ltc1967 Datasheet - Page 6

• Manufacturer Part Number: ltc1967
• Description: Precision Extended Bandwidth, Rms-to-dc Converter
• Manufacturer: Linear Technology Corporation

LTC1967
TYPICAL PERFOR A CE CHARACTERISTICS
6
202
201
199
197
196
195
200
198
0
Bandwidth to 200kHz
0.5%/DIV
C
AVE
= 47 F
50k
INPUT FREQUENCY (Hz)
–10
–15
–20
10
–5
5
0
100k
0
Output Accuracy
vs Signal Amplitude
–1% ERROR
1% ERROR
0.5
150k
W
SINEWAVE
AC – 60Hz
V
1967 G14
IN1
U
(V
200k
1
RMS
V
IN2
)
= MIDSUPPLY
1.5
–10
40
35
30
25
20
15
10
–5
5
0
DC
–30
1967 G17
DC Transfer Function Near Zero
V
THREE REPRESENTATIVE UNITS
IN2
2
= MIDSUPPLY
–20
–10
V
IN1
(mV DC)
0
10
0.001
0.01
0.1
1
20
1k
Output Noise vs Input Frequency
PEAK NOISE DURING
10 SECOND MEASUREMENT
1967 G15
30
C
AVE
INPUT FREQUENCY (Hz)
= 10 F
C
AVE
100
90
80
70
60
50
40
30
20
10
0
10k
= 1 F
10
Input Common Mode Rejection
Ratio vs Frequency
C
100
AVE
= 100 F
INPUT FREQUENCY (Hz)
1k
1967 G18
100k
10k
100k
4.5V COMMON
MODE INPUT
CONVERSION
TO DC OUTPUT
1M
1967 G16
1967f
10M