DC-to-DC
Voltage Converter
CORPORATION
CLM7660
FEATURES
DESCRIPTION
Calogic CLM7660 DC-to-DC converter will generate a negative
voltage from a positive source. The CLM7660 generates -5V
in +5V digital systems and with two external capacitors, the device
will convert a 1.5V to 10V input signal to a -1.5V to -10V level.
Applications include analog-to-digital converters, digital-to-analog
converters, operational amplifiers and multiplexers. Many of these
systems require negative supply voltages. The CLM7660 allows
+5V digital logic systems to incorporate these analog components
without an additional main power source. Lower part count, less real
estate, ease of use are just a few of the benefits of the CLM7660.
ORDERING INFORMATION
Part
CLM7660CP
CLM7660DY
PIN CONFIGURATION AND BLOCK DIAGRAM
Package
8 Pin DIP
8 Pin SOIC
Temperature
-40
o
C to +85
o
C
-40
o
C to +85
o
C
•
•
•
•
•
•
•
•
•
•
Converts +5V Logic Supply to
±5
System
Wide Input Voltage Range . . . . . . . . . . . . . . 1.5V to 10V
Low Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . 500µA
Efficient Voltage Conversion . . . . . . . . . . . . . . . . . 99.9%
RS232 Negative Power Supply
Low Cost, Simple to Use
APPLICATIONS
A-to-D Converters
D-to-A Converters
Multiplexers
Operational Amplifiers
NC
CAP
+
GND
CAP
–
1
2
CLM7660
3
4
8
7
6
5
V
+
OSC
LOW
VOLTAGE (LV)
V
OUT
NC = NO INTERNAL CONNECTION
1K-17
V
+
CAP
+
8
2
OSC
7
RC
OSCILLATOR
÷2
VOLTAGE-
LEVEL
TRANSLATOR
4
CAP
–
LV
6
5
INTERNAL
VOLTAGE
REGULATOR
LOGIC
NETWORK
V
OUT
3
GND
1B-35
CALOGIC CORPORATION,
237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
CALOGIC [ CALOGIC, LLC ]
