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RH1021-10 Datasheet

Precision 10V Reference

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RH1021-10
Precision 10V Reference
DESCRIPTION
The RH1021-10 is a precision 10V reference with ultralow
drift and noise, extremely good long-term stability and
almost total immunity to input voltage variations. The
reference output will source and sink up to 10mA. This
reference can also be used as a shunt regulator
(2-terminal Zener). Unique circuit design makes the
RH1021-10 the first IC reference to offer ultralow drift
without the use of high power on-chip heaters.
The wafer lots are processed to Linear Technology’s in-
house Class S flow to yield circuits usable in stringent
military applications.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ABSOLUTE MAXIMUM RATINGS
Input Voltage ........................................................... 40V
Input/Output Voltage Differential ............................. 35V
Output to Ground Voltage
(Shunt Mode Current Limit) ............................... 16V
Trim Pin to Ground Voltage
Positive................................................ Equal to VOUT
Negative ........................................................... – 20V
Output Short-Circuit Duration
VIN = 35V ........................................................ 10 sec
VIN 20V ................................................... Indefinite
Operating Temperature Range .............. – 55°C to 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
BUR -I CIRCUIT
8
1
7
20V 2 RH1021-10 6
3
4
5
–20V
PACKAGE/ORDER INFORMATION
TOP VIEW
NC*
NC* 1
8
7 NC*
VIN 2
6 VOUT
NC* 3
5 TRIM
4
GND
H PACKAGE
8-LEAD TO-5 METAL CAN
* Connected internally. Do not connect external
circuitry to these pins.
1


Linear Technology Electronic Components Datasheet

RH1021-10 Datasheet

Precision 10V Reference

No Preview Available !

RH1021-10
TABLE 1: ELECTRICAL CHARACTERISTICS (Preirradiation) (Note 9)
SYMBOL PARAMETER
CONDITIONS
TA = 25°C
SUB- – 55°C TA 125°C SUB-
NOTES MIN TYP MAX GROUP MIN TYP MAX GROUP UNITS
VOUT Output Voltage
RH1021CM-10
1
RH1021BM-10, DM-10 1
9.995
9.95
10.005
10.05
1
1
V
V
TCVOUT Output Voltage
Temperature Coefficient
RH1021BM-10
2
RH1021CM-10, DM-10 2
5 2,3 ppm/°C
20 2,3 ppm/°C
VOUT
VIN
VOUT
IOUT
Line Regulation
Load Regulation
(Sourcing Current)
11.5V VIN 14.5V
14.5V VIN 40V
0 IOUT 10mA
3
3
3
41
21
25 1
6 2,3 ppm/V
4 2,3 ppm/V
40 2,3 ppm/mA
Load Regulation (Shunt Mode) 1.7mA IOUT 10mA 3,4
100 1
150 2,3 ppm/mA
IS Supply Current (Series Mode)
IMIN Minimum Current (Shunt Mode) VIN Is Open
Output Voltage Noise
0.1Hz f 10Hz
10Hz f 1kHz
Long-Term Stability
of VOUT
T = 1000 Hrs
Noncumulative
Temperature Hysteresis
of VOUT
T = ±25°C
5
5
6
1.7
1.5
6
6
15
5
1
1
4
2.0 2,3
mA
1.7 2,3
mA
µVP-P
µVRMS
ppm
ppm
TABLE 1A: ELECTRICAL CHARACTERISTICS (Postirradiation) (Note 7)
SYMBOL PARAMETER
CONDITIONS
10Krad(Si) 20Krad(Si) 50Krad(Si) 100Krad(Si) 200Krad(Si)
NOTES MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX UNITS
VOUT Output Voltage
RH1021CM-10
1 9.995 10.005 9.99 10.01 9.987 10.013 9.985 10.015 9.98 10.02
RH1021BM-10, DM-10 1 9.95 10.05 9.945 10.055 9.942 10.06 9.98 10.06 9.935 10.065
V
V
TCVOUT Output Voltage
RH1021BM-10
2
Temperature Coefficient RH1021CM-10, DM-10 2
5 55
20 20 20
7 10 ppm/°C
22 25 ppm/°C
VOUT
VIN
VOUT
IOUT
Line Regulation
Load Regulation
(Sourcing Current)
Load Regulation
(Shunt Mode)
11.5V VIN 14.5V
14.5V VIN 40V
0 IOUT 10mA
3
3
3,8
1.7mA IOUT 10mA 3,4
4 4 4.5
2 22
25 25 25
100 100 100
5 6 ppm/V
2 3 ppm/V
25 25 ppm/mA
100 150 ppm/mA
IMIN Minimum Current
(Shunt Mode)
VIN Is Open
1.5 1.5 1.5
1.5 1.5 mA
IS Supply Current
(Series Mode)
1.7 1.7 1.7
1.7 1.7 mA
2


Part Number RH1021-10
Description Precision 10V Reference
Maker Linear Technology
Total Page 4 Pages
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