LM2917P datasheet(4/7 Pages) TI1

Il numero della parte	LM2917P

Spiegazioni elettronici	FREQUENCY-TO-VOLTAGE CONVERTERS

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Produttore elettronici	TI1 [Texas Instruments]

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LM2907, LM2917

FREQUENCY-TO-VOLTAGE CONVERTERS

SLFS011A – MARCH 1986 – REVISED JULY 1993

4

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

zener regulator (LM2917 only), V +† = 12 V through 470

Ω, TA = 25°C

PARAMETER

MIN

TYP

MAX

UNIT

VZ

Regulated supply voltage

7.56

V

αVZ

Temperature coefficient of regulated supply voltage

1

mV/

°C

rs

Series resistance

10.5

15

Ω

† V+ is the symbol for voltage applied to a series resistor to create a current source.

total device (LM2907 only), VCC = 12 V, TA = 25°C

PARAMETER

MIN

TYP

MAX

UNIT

ICC

Supply current

3.8

6

mA

PARAMETER MEASUREMENT INFORMATION

Charge

Pump

C1

TACH +

R1

CAP1

CPO

TEST CIRCUIT

WAVEFORMS

TACH +

CAP1

CPO

I

× R1 (I

≈ 200 µA)

VOH

VOL

VCC

2

≈ –15 mV

≈ 15 mV

Figure 1. Test Circuit and Waveforms

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