AD636KD Analog Devices Inc, AD636KD Datasheet - Page 12
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AD636KD
Manufacturer Part Number
AD636KD
Description
IC TRUE RMS/DC CONV MONO 14-CDIP
Manufacturer
Analog Devices Inc
Datasheet
1.AD636JDZ.pdf
(16 pages)
Specifications of AD636KD
Rohs Status
RoHS non-compliant
Current - Supply
800µA
Voltage - Supply
±2.5 V ~ 16 V
Mounting Type
Through Hole
Package / Case
14-CDIP (0.300", 7.62mm)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
AD636
V
IN
900kΩ
90kΩ
10kΩ
9MΩ
R1
R2
R3
R4
COM
200mV
2V
20V
200V
0.02µF
SIGNAL
C3
INPUT
1N6263
47kΩ
10%
1W
0.1µF
R5
47kΩ
1N6263
C4
1W
D2
R8
D1
20kΩ
6.8µF
1N4148
1MΩ
1N4148
R6
R7
D4
D1
1MΩ
6.8µF
R1
10kΩ
+
–
2.2µF
C2
R9
C4
+
BUF OUT
3.3µF
BUF IN
+
–
C1
C
ALL RESISTORS 1/4W 1% METAL FILM UNLESS OTHERWISE STATED EXCEPT
*WHICH IS 2kΩ +3500ppm 1% TC RESISTOR.
–V
BUF OUT
V
NC
dB
AV
Figure 17. Portable, High-Z Input, RMS DPM and dB Meter Circuit
IN
+
S
BUF IN
1
2
3
4
5
6
7
C
–V
V
NC
dB
Figure 18. Low Power, High Input Impedance dB Meter
AV
IN
S
AD636
NC = NO CONNECT
1
2
3
4
5
6
7
– BUF
+
10kΩ
ABSOLUTE
SQUARER
CURRENT
AD636
NC = NO CONNECT
DIVIDER
MIRROR
VALUE
BUF
+
–
10kΩ
ABSOLUTE
SQUARER
CURRENT
DIVIDER
MIRROR
VALUE
10kΩ
Rev. D | Page 12 of 16
10kΩ
14
13
12
11
10
9
8
+V
NC
NC
NC
COM
R
I
OUT
6.8µF
L
14
13
12
11
10
S
9
8
C7
+
+V
NC
NC
NC
COM
R
I
OUT
L
S
R9
100kΩ
0dB SET
R10
20kΩ
+
+
AD589
250µA
12.7kΩ
LIN
LIN
1.2V
C3
10µF
C5
10µF
dB
dB
20kΩ
D3
R10
R2
R8
2.49kΩ
+
10kΩ
+4.4V
+1.2V
+4.7V
R11
100Ω
AD589J
SCALE
R6
LIN
5kΩ
R3
1MΩ
R15
0.1µF
R12
1kΩ
R13
500Ω
1N4148
2kΩ
*R7
C6
D2
R4
500kΩ
I
ADJUST
REF
R14
10kΩ
dB
SCALE
LIN
C6
0.01µF
dB
100µA
2
3
µA776
–
+
+V
–V
4
7
S
ON/OFF
S
SCALE FACTOR
8
CONVERTER
+V
REF HI
REF LO
COM
HI
LO
–V
+
ANALOG
R11
820kΩ
5%
3-1/2 DIGIT
7106 TYPE
ADJUST
10kΩ
0–50µA
DD
SS
6
R5
IN
A/D
+
9V
–
–
+V
–V
1µF
DD
SS
+
BATTERY
DISPLAY
LXD 7543
ON
–
DIGIT
3-1/2
LCD
9V
OFF
+