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參數(shù)資料
| 型號(hào)： | ZN423 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | TV 41C 41#20 SKT WALL RECP |
| 中文描述： | 高精度電壓基準(zhǔn)源 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 240K |
| 代理商： | ZN423 |
ZN423
PRECISION VOLTAGE REFERENCE SOURCE
DS2347 - 3.0
Fig.1 Pin connections (bottom view)
The ZN423 is a monolithic integrated circuit using the
energy bandgap voltage of a base-emitter junction to produce
a precise, stable, reference source of 1.26V. This is derived
via an external dropping resistor for supply voltages of 1.5V
upwards. The temperature coefficient of the ZN423, unlike
conventional Zener diodes, remains constant with reference
current. the noise figure associated with breakdown
mechanisms is also considerably reduced.
FEATURES
I
Low Voltage
I
Low Temperature Coefficient
I
Very Good Long Term Stability
I
Low Slope Resistance
I
Low RMS Noise
I
Tight Tolerance
I
High Power Supply Rejection Ratio
I
2-Lead TO-18 Metal Can Package
ABSOLUTE MAXIMUM RATINGS
Reference current, I
Operating temperature range:
Storage temperature range:
20mA
-55
°
C to +125
°
C
-65
°
C to +165
°
C
ORDERING INFORMATION
Fig.2 Circuit diagram
ELECTRICAL CHARACTERISTICS
Test conditions (unless otherwise stated):
T
amb
= 25
°
C, Shaping capacitor, C
S
= 0.1
μ
F
Output voltage
Slope resistance
Reference current
Temperature coefficient
External resistor
RMS noise voltage
Power supply ratio
I
REF
= 5mA
R
EXT
= (V
CC
-V
REF
)/I
REF
1Hz to 10kHz
P
SRR
= R
EXT
/R
REF
, V
REF
= 1.26V,
I
REF
= 2.5mA, V
CC
= 5.0V
V
REF
R
REF
I
REF
R
EXT
P
SRR
1.2
1.5
100
1.26
0.5
30
6
60
1.32
1.5
12
V
mA
ppm/
°
C
μ
V
dB
Symbol
Characteristic
Unit
Conditions
Value
Min.
Typ.
Max.
ZN423 (CM-2)
Device Type
ZN423
Operating Temperature
-55
°
C to +125
°
C
Package
CM2
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