AD636J Analog Devices, AD636J Datasheet - Page 8

• Manufacturer Part Number: AD636J
• Description: Low Level/ True RMS-to-DC Converter
• Manufacturer: Analog Devices

AD636
0.200 (5.08)
0.200 (5.08)
0.125 (3.18)
V
IN
900k
MAX
0.005 (0.13) MIN
90k
10k
9M
0.023 (0.58)
0.014 (0.36)
R1
R2
R3
R4
14
COM
200mV
1
0.785 (19.94) MAX
2V
20V
200V
PIN 1
0.02 F
SIGNAL
C3
D Package (TO-116)
0.100
(2.54)
INPUT
BSC
47k
1 WATT
1N6263
10%
1W
R5
0.1 F
47k
0.098 (2.49) MAX
1N6263
0.070 (1.78)
0.030 (0.76)
C4
D2
R8
Figure 14. A Portable, High Z Input, RMS DPM and dB Meter Circuit
D1
8
7
6.8 F
20k
1N4148
1M
1N4148
R6
R7
0.310 (7.87)
0.220 (5.59)
D1
D4
0.060 (1.52)
0.015 (0.38)
2.2 F
6.8 F
ALL RESISTORS 1/4 WATT 1% METAL FILM UNLESS OTHERWISE STATED EXCEPT
*WHICH IS 2k
1M
Figure 15. A Low Power, High Input Impedance dB Meter
R1
10k
–
+
C4
C2
SEATING
PLANE
0.150
(3.81)
MAX
R9
3.3 F
+
+
–
C1
1
2
3
4
5
6
7
+
0.320 (8.13)
0.290 (7.37)
AD636
1
2
3
4
5
6
7
+3500ppm 1% TC RESISTOR.
+
– BUF
10k
AD636
ABSOLUTE
0.015 (0.38)
0.008 (0.20)
SQUARER
CURRENT
DIVIDER
MIRROR
VALUE
BUF
+
–
Dimensions shown in inches and (mm).
10k
ABSOLUTE
SQUARER
CURRENT
DIVIDER
MIRROR
VALUE
OUTLINE DIMENSIONS
10k
10k
6.8 F
14
13
12
10
11
9
8
C7
–8–
+
14
13
12
10
11
9
8
R9
100k
0dB SET
R10
20k
+
+
AD589
0.040 (1.02) MAX
250 A
12.7k
1.2V
LIN
LIN
dB
dB
C3
10 F
C5
10 F
20k
D3
R10
R8
2.49k
R2
0.045 (1.14)
0.010 (0.25)
+
0.185 (4.70)
0.165 (4.19)
10k
+4.4 VOLTS
+1.2 VOLTS
+4.7 VOLTS
R11
100
AD589J
R6
SCALE
LIN
5k
1M
R3
R15
0.1 F
R12
1k
R13
500
1N4148
2k
C6
*R7
D2
H Package (TO-100)
0.019 (0.48)
0.016 (0.41)
0.750 (19.05)
0.500 (12.70)
R4
500k
I
ADJUST
REF
REFERENCE PLANE
R14
10k
dB
SCALE
BASE & SEATING PLANE
LIN
C6
0.01 F
dB
100 A
0.050 (1.27) MAX
–
+
0.021 (0.53)
0.016 (0.41)
A776
+V
–V
0.250 (6.35) MIN
ON/OFF
S
S
SCALE FACTOR
+V
CONVERTER
REF HI
REF LO
COM
HI
LO
–V
ANALOG
+
R11
820k
5%
3-1/2 DIGIT
7106 TYPE
ADJUST
10k
0–50 A
DD
SS
0.115
(2.92)
BSC
0.230 (5.84)
R5
IN
+
A/D
9 VOLT
BSC
–
–
4
3
5
+V
–V
1 F
0.160 (4.06)
0.110 (2.79)
2
DD
SS
6
+
BATTERY
DISPLAY
LXD 7543
1
ON
–
DIGIT
3-1/2
LCD
7
9V
10
36 BSC
OFF
8
9
+
0.045 (1.14)
0.027 (0.69)
0.034 (0.86)
0.027 (0.69)
REV. B