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ZRT100C1 PDF даташит

Спецификация ZRT100C1 изготовлена ​​​​«Zetex Semiconductors» и имеет функцию, называемую «9.8V LOW POWER PRECISION REFERENCE SOURCE».

Детали детали

Номер произв ZRT100C1
Описание 9.8V LOW POWER PRECISION REFERENCE SOURCE
Производители Zetex Semiconductors
логотип Zetex Semiconductors логотип 

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ZRT100C1 Даташит, Описание, Даташиты
9.8V LOW POWER
PRECISION REFERENCE SOURCE
ISSUE 1 - OCTOBER 1995
ZRT100
DEVICE DESCRIPTION
The ZRT100 is a monolithic integrated circuit
providing a precise stable reference voltage
of 9.8V at 500µA.
The circuit features a knee current of 150µA
and operation over a wide range of
temperatures and currents.
The ZRT100 is available in a 3-pin metal can
package for through hole applications as
well as SOT223 and SO8 packages for
surface mount applications. Each package
option offers a trim facility whereby the
output voltage can be adjusted as shown in
Fig.1. This facility is used when
compensating for system errors or setting
the reference output to a particular value.
When the trim facility is not used, the pin
should be left open circuit.
FEATURES
Trimmable output
Excellent temperature stability
Low output noise figure
Available in two temperature ranges
1 and 2% initial voltage tolerance
versions available
No external stabilising capacitor
required in most cases
Low slope resistance
TO18 package
SOT223 and SO8 small outline
packages
SCHEMATIC DIAGRAM
R
VCC
VR
R=VCC-VR
IR
RT=100k
(Optional trim facility)
Gnd
Gnd
Figure 1:
This circuit will allow the reference to be
trimmed over a wide range. The device is
specified over a Ϯ5% trim range.
4-295









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ZRT100C1 Даташит, Описание, Даташиты
ZRT100
ABSOLUTE MAXIMUM RATING
Reverse Current
30mA ø
Operating Temperature
A grade
C grade
-55°C to 125°C
0°C to 70°C
Storage Temperature
TO18
-55 °C to 175 °C
SO8, SOT223 -55 °C to 125 °C
Power Dissipation (Tamb=25°C)
TO18
300mW
SO8
625mW
SOT223
2W
ø Above 25°C this figure should be linearly
derated to 6mA at 125°C
TEMPERATURE DEPENDENT ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER
INITIAL
VOLTAGE
TOLERANCE
%
GRADE A
-55°C TO 125°C
TYP MAX
GRADE C
0°C TO 70°C
TYP MAX
VR Output voltage
1&2
change over relevant
temperature range
(See note (a))
27.0 90.0 10.8 34.4
TCVR
Output voltage
temperature
coefficient (See note
(b))
1&2
15.0 50.0 15.0 50.0
UNITS
mV
ppm/°C
ELECTRICAL CHARACTERISTICS
( at Tamb =25°C and Trim pin o/c unless otherwise stated)
SYMBOL PARAMETER
MIN. TYP. MAX. UNITS
VR Output voltage
1% tolerance (A1,C1)
2% tolerance (C2)
9.70 9.80 9.90 V
9.60 9.80 10.00
VTRIM
Output voltage adjustment
range
Ϯ5 %
TCVTRIM Change in TCVR with output 5.0 ppm/°C/%
adjustment
IR
ton
toff
enp-p
Operating current range
Turn-on time
Turn-off time
Output voltage noise (over
the range 0.1 to 10Hz)
0.15
30
400
0.3
50
mA
µs
µV
RS Slope resistance
1.8 4.0
4-296
COMMENTS
IR=500µA
RT=100k
See note (c)
RL=1k
Peak to peak
measurement
IR =
0.5mA to 5mA
See note (d)









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ZRT100C1 Даташит, Описание, Даташиты
TYPICAL CHARACTERISTICS
ZRT100
NOTES
(a) Output change with temperature (VR)
The absolute maximum difference between
the maximum output voltage and the
minimum output voltage over the specified
temperature range
VR = Vmax - Vmin
(b) Output temperature coefficient (TCVR)
The ratio of the output change with
temperature to the specified temperature
range expressed in ppm/°C
TcVR
=
VR x 106
VR x T
ppm
°C
T= Full temperature range
(c) Operating current (IR)
Maximum operating current must be
derated as indicated in maximum ratings.
(d) Slope resistance (RS)
The slope resistance is defined as :
RS =
changein VR
specifiedcurrentrange
I = 5 - 0.5 = 4.5mA (typically)
(e) Line regulation
The ratio of change in output voltage to the
change in input voltage producing it.
RS x 100
VR x Rsource
%V
4-297










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