pkd01 Analog Devices, Inc., pkd01 Datasheet - Page 15

• Manufacturer Part Number: pkd01
• Description: Monolithic Peak Detector With Reset-and-hold Mode
• Manufacturer: Analog Devices, Inc.

OUTPUT
OUTPUT
VOLTAGE
INPUT
INPUT
RESET
INPUT
R3
R4
R1
TIME – 50 s/DIV
TIME – 50 s/DIV
A
B
R2
C
1000pF
H
PKD01
C
R3 = R4 =
+2V
0V
–5V
+10V
0V
–4V
–10V
0V
–10V
+10V
0V
RESET AMPLIFIER GAIN
INPUT AMPLIFIER GAIN
OUTPUT
R1
1
1
+
R2
1
(GAIN = –2)
DET/RST
DET
V
(RESETS TO –4V)
INPUT
VOLTAGE = –1V
IN
VOLTAGE
RESET
RESET
10k
= 1 +
1%
30.1k
10k
10k
1%
1%
R2
R1
1%
8.2k
RST
20k
10k
10k
7.5k
5%
1%
5%
1%
5%
IF BOTH INPUT SIGNAL (AMPLIFIER A INPUT) AND THE RESET
VOLTAGE (AMPLIFIER B INPUT) HAVE THE SAME POSITIVE
VOLTAGE GAIN, THE GAIN CAN BE SET BY A SINGLE VOLTAGE
DIVIDER FOR BOTH INPUT AMPLIFIERS.
NOTE:
R1, R2, R3 AND R4 > 5k
A
B
B
A
PKD01
PKD01
D
D
1
1
V+
V+
1000pF
C
C
1000pF
H
H
A GAIN = –2
B GAIN = +4
B GAIN = +1
A GAIN = –1
C
C
V–
V–
PKD01
OUTPUT
OUTPUT