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參數(shù)資料
| 型號(hào)： | LTZ1000CH#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 7.15 V, MBCY8 |
| 封裝： | 0.200 INCH, METAL CAN, TO-5, 8 PIN |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 113K |
| 代理商： | LTZ1000CH#TR |
LTZ1000/LTZ1000A
1
1000afc
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Ultra Precision Reference
The LTZ1000 and LTZ1000A are ultra-stable temperature
controllable references. They are designed to provide 7V
outputs with temperature drifts of 0.05ppm/°C, about
1.2μVP-P of noise and long-term stability of 2μV/√kHr.
Included on the chip is a subsurface zener reference, a
heater resistor for temperature stabilization, and a tem-
perature sensing transistor. External circuitry is used to
set operating currents and to temperature stabilize the
reference. This allows maximum exibility and best long-
term stability and noise.
The LTZ1000 and LTZ1000A references can provide su-
perior performance to older devices such as the LM199,
provided that the user implements the heater control and
properly manages the thermal layout. To simplify thermal
insulation, the LTZ1000A uses a proprietary die attach
method to provide signicantly higher thermal resistance
than the LTZ1000.
Low Noise Reference
n 1.2μVP-P Noise
n 2μV/√kHr Long-Term Stability
n Very Low Hysteresis
n 0.05ppm/°C Drift
n Temperature Stabilized
n 400°C/W Thermal Resistance for LTZ1000A Reduces
Insulation Requirements
n Specied for –55°C to 125°C Temperature Range
n Offered in TO-99 package
n Voltmeters
n Calibrators
n Standard Cells
n Scales
n Low Noise RF Oscillators
Long-Term Stability
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
–
+
LTZ1000
OUTPUT
1N4148
LT
1006
V
IN ≥ 10V
30k
3
7
4
6
2
0.02μF
120Ω
1000 TA01
DAYS
0
–2
(ppm)
0
2
10
LONG-TERM STABILITY OF A TYPICAL DEVICE FROM TIME = 0
WITH NO PRECONDITIONING OR AGING
1000 TA01b
30
20
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