LTZ1000ACHPBF Linear Technology Corporation, LTZ1000ACHPBF Datasheet

LTZ1000ACHPBF

Manufacturer Part Number

LTZ1000ACHPBF

Description

CAN

Manufacturer

Linear Technology Corporation

Datasheet

1.LTZ1000ACHPBF.pdf (8 pages)

Specifications of LTZ1000ACHPBF

Date_code

08+

Current page: 1 of 8
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FEATURES

APPLICATIONS

TYPICAL APPLICATION

1.2μV

2μV/√kHr Long-Term Stability

Very Low Hysteresis

0.05ppm/°C Drift

Temperature Stabilized

400°C/W Thermal Resistance for LTZ1000A Reduces

Insulation Requirements

Speciﬁ ed for –55°C to 125°C Temperature Range

Offered in TO-99 package

Voltmeters

Calibrators

Standard Cells

Scales

Low Noise RF Oscillators

120Ω

LTZ1000

P-P

Noise

30k

Low Noise Reference

0.02μF

–

1006

≥ 10V

1N4148

OUTPUT

1000 TA01

DESCRIPTION

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

1.2μV

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 ﬂ 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 signiﬁ cantly higher thermal resistance

than the LTZ1000.

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

Ultra Precision Reference

P-P

of noise and long-term stability of 2μV/√kHr.

LONG-TERM STABILITY OF A TYPICAL DEVICE FROM TIME = 0

–2

WITH NO PRECONDITIONING OR AGING

Long-Term Stability

LTZ1000/LTZ1000A

DAYS

1000 TA01b

1000afc

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