LTC1966 Linear Technology, LTC1966 Datasheet - Page 29

• Manufacturer Part Number: LTC1966
• Description: SIGMA RMS-to-DC Converter
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
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DIFFERENTIAL)
DC + AC
5V Supplies, Differential, DC-Coupled
(1V
INPUTS
PEAK
RMS-to-DC Converter
IN1
IN2
–5V
V
50Hz TO 400Hz
SS
LTC1966
AC CURRENT
GND EN
V
OUT RTN
5V
DD
75A MAX
V
OUT
1966 TA03
U
2.7V Single Supply, Single Ended, AC-Coupled
2.7V/3V CMOS
OFF
0.1 F
C
1 F
Single Supply RMS Current Measurement
AVE
T1
AC INPUT
(1V
0.1 F
RMS-to-DC Converter with Shutdown
DC OUTPUT
PEAK
10
C
C
ON
)
100k
100k
IN1
IN2
V
EN
SS
IN1
IN2
V
LTC1966
SS
LTC1966
2.7V
V
OUT RTN
GND EN
DD
OUT RTN
V
+
V
GND
OUT
V
OUT
1966 TA04
T1: CR MAGNETICS CR8348-2500-N
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DIFFERENTIAL)
C
1 F
AC INPUTS
1966 TA08
5V Single Supply, Differential, AC-Coupled
AVE
C
1 F
AVE
(1V
DC OUTPUT
PEAK
V
OUT
= 4mV
0.1 F
C
RMS-to-DC Converter
C
DC
/A
IN1
IN2
V
RMS
SS
LTC1966
GND EN
V
OUT RTN
5V
DD
V
OUT
1966 TA05
C
1 F
AVE
LTC1966
DC OUTPUT
sn1966 1966fas
29