TL507L

更新时间： 2024-09-28 03:59:31

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
8页	124K
描述
ANALOG-TO-DIGITAL CONVERTER

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数据手册

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TL507L 数据手册

TL507C, TL507l

ANALOG-TO-DIGITAL CONVERTER

SLAS041 – OCTOBER 1979 – REVISED OCTOBER 1988

P PACKAGE

(TOP VIEW)

Low Cost

7-Bit Resolution

Montonicity Over Entire A/D Conversion

Range

ENABLE

CLK

GND

OUTPUT

RESET

CC2

Ratiometric Conversion

CC1

ANALOG INPUT

Conversion Speed . . . Approximately 1 ms

Single-Supply Operation . . . Either

FUNCTION TABLE

Unregulated 8-V to 18-V (V

Regulated 3.5-V to 6-V (V

Input) or

Input)

CC2

CC1

ANALOG

INPUT CONDITION

ENABLE

OUTPUT

I L Technology

†

Power Consumption at 5 V . . . 25 mW Typ

V < 200 mV

Regulated 5.5-V Output (≤1 mA)

> V > 200 mV

ramp

V > V

ramp

description

†

Low level on enable also inhibits the reset function.

H = high level, L = low level, X = irrelevant

The TL507 is a low-cost single-slope analog-to-

digital converter designed to convert analog

A high level on RESET clears the counter to zero,

which sets the internal ramp to 0.75 V . Internal

pulldown resistors keep RESET and ENABLE low

when not connected.

inputvoltages between 0.25 V

and 0.75 V

CC1

into a pulse-width-modulated output code. The

device contains a 7-bit synchronous counter, a

binary weighted resistor ladder network, an

operational amplifier, two comparators, a buffer

amplifier, an internal regulator, and necessary

logic circuitry. Integrated-injection logic (I L)

technology makes it possible to offer this complex

circuit at low cost in a small dual-in-line 8-pin

package.

In continuous operation, conversion speeds of up to 1000 conversions per second are possible. The TL507

requires external signals for CLK, RESET, and ENABLE. Versatility and simplicity of operation, coupled with low

cost, makes this converter especially useful for a wide variety of applications.

The TL507C is characterized for operation from 0°C to 70°C, and the TL507I is characterized for operation from

–40°C to 85°C.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7 8

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