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ZRC400 반도체 회로 부품 판매점

PRECISION 4.096 VOLT LOW KNEE CURRENT VOLTAGE REFERENCE



Zetex Semiconductors 로고
Zetex Semiconductors
ZRC400 데이터시트, 핀배열, 회로
PRECISION 4.096 VOLT LOW KNEE CURRENT
VOLTAGE REFERENCE
ISSUE 3 - MARCH 1998
ZRC400
DEVICE DESCRIPTION
The ZRC400 uses a bandgap circuit design to
achieve a precision micropower voltage
reference of 4.096 volts. The device is
available in small outline surface mount
packages, ideal for applications where space
saving is important, as well as packages for
through hole requirements.
The ZRC400 design provides a stable voltage
without an external capacitor and is stable
with capacitive loads. The ZRC400 is
recommended for operation between 23µA
and 5mA and so is ideally suited to low
power and battery powered applications.
Excellent performance is maintained to an
absolute maximum of 25mA, however the
rugged design and 20 volt processing allows
the reference to withstand transient effects
and currents up to 200mA. Superior
switching capability allows the device to
reach stable operating conditions in only a
few microseconds.
FEATURES
Small outline SOT23 , SO8 and TO92
style packages
No stabilising capacitor required
Low knee current, 18µA typical
Typical TC 30ppm/°C
Typical slope resistance 0.4
± 3%, 2% and 1% tolerance
Industrial temperature range
Operating current 23µA to 5mA
Transient response, stable in less than
10µs
Optional extended current range
APPLICATIONS
Battery powered and portable
equipment.
Instrumentation.
Test equipment.
Metering and measurement systems.
SCHEMATIC DIAGRAM
V
R
Gnd
4-257


ZRC400 데이터시트, 핀배열, 회로
ZRC400
ABSOLUTE MAXIMUM RATING
Reverse Current
25mA
Forward Current
25mA
Operating Temperature -40 to 85°C
Storage Temperature
-55 to 125°C
Power Dissipation (Tamb=25°C)
SOT23
330mW
E-Line, 3 pin (TO92)
500mW
E-Line, 2 pin (TO92)
500mW
SO8
625mW
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated) Tamb=25°C
SYMBOL PARAMETER
VR Reverse Breakdown Voltage
IMIN
IR
TC
RS §
Minimum Operating Current
Recommended Operating
Current
Average Reverse Breakdown
Voltage Temp. Co.
Slope Resistance
CONDITIONS
LIMITS
MIN TYP MAX
IR=150µA
4.055 4.096 4.137
4.014 4.096 4.178
3.973 4.096 4.219
18 23
0.023
5
IR(min) to
IR(max)
30 90
0.4 2
TOL. UNITS
%
1V
2
3
µA
mA
ppm/°C
ZR Reverse Dynamic Impedance IR = 1mA
f = 100Hz
IAC= 0.1 IR
EN
Wideband Noise Voltage
IR = 150µA
f = 10Hz to
10kHz
TC
=
(VR(max)VR(min)) x 1000000
VR x (T(max)T(min))
Note: VR(max) - VR(min) is the maximum
deviation in reference voltage measured
over the full operating temperature
range.
§
RS
=
VR
Change(IR (min) to IR
IR (max) IR (min)
(max))
0.3 0.8
90
µV(rms)
40
30
20
25 °C
85 °C
10
-40 °C
0
01234
Reverse Voltage (V)
Reverse Characteristics
5
4-258




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