DS3025 - 2.1
ZN458
2.45V PRECISION REFERENCE REGULATOR
The ZN458 is a monolithic integrated circuit providing a
precise stable reference source of 2.45V in a two lead pack-
age without the need for an external shaping capacitor.
+VE
-VE
FEATURES
s
s
s
s
s
s
s
s
s
Guaranteed 5mV Maximum Deviation over Full
Temperature Range
Low Temperature Coefficient 0.003%/°C
Low Slope Resistance - 0.1 Ohms
Very Good Long Term Stability - 10ppm
Low Noise - 10 microvolts
Internally Shaped
Tight Tolerance
±1.43%
Two Pin Package
Wide Operating Current 2-120mA
R=
VS
VS - VREF
IREF
+VE
R
VREF
CM2
Fig.1 Pin connection - bottom view
ABSOLUTE MAXIMUM RATINGS
Dissipation
Operating temperature range
Storage temperature range
300mW
-20°C to +70°C
-55°C to +150°C
AV
ORDERING INFORMATION
Device
ZN458
ZN458A
ZN458B
TC
(ppm/
°
C)
99
49
29
Temperature
range
-20°C to +70°C
-20°C to +70°C
-20°C to +70°C
BAND
GAP
REFERENCE
-VE
GND
Fig.2 Circuit diagram
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
