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LM134 Series

TYPICAL APPLICATIO S

TA06

V+

V–

LM334

VIN

100

Ω

300

Ω

15k

4.5k

2N4250

VOUT = 10mV/°K

ZOUT ≤ 2Ω

0.0022

TA07

V+

V–

LM334

VIN ≥ VREF + 200mV

120

Ω

1.5k

2N4250

VOUT = VZ + 64mV AT 25°C

IOUT ≤ 3mA

0.1

LT1009

–

TA05

V+

V–

LM334

VIN

–VIN

RSET

R1*

C1*

*SELECT R1 AND C1 FOR OPTIMUM STABILITY

2N2905

TA08

V+

V–

LM334

VIN

–VIN

RSET

68k

µA

LM4250

V+

V–

LM134**

0.001

100k

VIN ≥ 1.8V

VOUT = 1.2V

IOUT ≤ 200µA

2N4250

33k

1N457**

R1*

≈6k

R2*

680

Ω

SELECT RATIO OF R1 TO R2 FOR ZERO TEMPERATURE DRIFT

LM134 AND DIODE SHOULD BE ISOTHERMAL

TA09

TA10

V+

V–

LM334

VIN

VOUT

RSET

Higher Output Current

Low Output Impedance Thermometer

Low Input Voltage Reference Driver

Micropower Bias

1.2V Regulator with 1.8V Minimum Input

Zener Biasing

Alternate Trimming Technique

Buffer for Photoconductive Cell

High Precision Low TC Current Source

V–

V+

R1*

LM334

RSET

TA11

VIN

–VIN

*FOR

±10% ADJUSTMENT, SELECT RSET

10% HIGH AND MAKE R1

≈ 3RSET

V–

V+

LM334

TA12

1.5V

1.37V

TA13

V+

V–

LM334

R2*

6.8k

ISET ≥ 50µA

–

LT1004-1.2

(1.235V)

*ISET =

+ 10

µA

ISET TC = 0.016%/°C + 33nA/°C

REGULATION

≈ 0.001%/V

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