pkd01 Analog Devices, Inc., pkd01 Datasheet - Page 17

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

PK DET/RST
V
V
V
V
RS
RS
RS
RS
A1
A2
A3
A4
V
4
2
3
AMPLITUDE
AMPLITUDE
1
SELECTION
IN
LOGIC
RAMP
–15V +15V
SW-201
AMPLITUDE
CH6
CH7
CH8
CH1
CH2
CH3
CH4
CH5
A0 A1 A2
PULSE
START
RAMP
RAMP
MUX-08
0
RAMP START
NOTES:
1. NEGATIVE SLOPE OF RAMP IS SET BY DAC08 OUTPUT CURRENT.
2. DAC08 IS A DIGITALLY CONTROLLED CURRENT GENERATOR.
PULSE
+15V
~0.5V/ s
THE MAXIMUM FULL-SCALE CURRENT MUST BE LESS THAN 0.5mA.
A
B
–15V
SLOPE =
ANALOG
GND
B
A
I
C
0
DET
RST
PKD01
LOGIC
GND
C
~0.5V/ s
D
1
C
H
PKD01
C
I
V
SLOPE =
OUT
I
C
1
B1
RAMP SLOPE
SELECTION
DAC08
DETECT
PEAK
5V
OUTPUT
2V
NOTES:
RESET VOLTAGE = –1.0V
TRACE 1 = 2V/DIV
TRACE 2 = 5V/DIV
TRACE 3 = 2V/DIV
INPUT
BUFFERED
RAMP
OUTPUT
B8
R > 20k
REF-01
15V
1ms
RESET
PKD01