ltc1967 Linear Technology Corporation, ltc1967 Datasheet - Page 26

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

GND
LTC1967
SI PLIFIED SCHE ATIC
TYPICAL APPLICATIO S
26
IN1
IN2
EN
V
DIFFERENTIAL)
+
W
AC INPUTS
(1V
PEAK
AC-Coupled RMS-to-DC Converter
5V Single Supply, Differential,
0.1 F
C
C
IN1
IN2
GND
LTC1967
OUT RTN
5V
V
+
TO BIAS CONTROL
V
EN
OUT
1967 TA02
W
C3
C4
2nd ORDER
C1
U
C
1 F
AVE
C2
+
–
DC OUTPUT
A1
C5
C6
MODULATOR
Y1
50Hz TO 400Hz
AC CURRENT
75A MAX
C7
C8
Y2
Single Supply RMS Current Measurement
+
–
0.1 F
T1
A2
C10
C9
10
20k
20k
IN1
IN2
GND
C11
C12
LTC1967
SHUTDOWN
OUT RTN
V
+
CLOSED
DURING
V
EN
OUT
T1: CR MAGNETICS CR8348-2500-N
www.crmagnetics.com
1967 TA03
C
1 F
50k
BLEED RESISTOR
FOR C
AVE
V
AVE
OUT
OUT RTN
OUTPUT
= 4mV
DC
1967 SS
/A
RMS
1967f
C
AVE