ML2036IP datasheet(1/12 Pages) MICRO-LINEAR

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March 1997

ML2036*

Serial Input Programmable Sine Wave Generator

with Digital Gain Control

1

GENERAL DESCRIPTION

The ML2036 is a monolithic sine wave generator whose

output is programmable from DC to 50kHz. No external

components are required. The frequency of the sinewave

output is derived from either an external crystal or clock

input, providing a stable and accurate frequency

reference. The frequency is programmed by a 16-bit serial

data word.

The ML2036 provides for a VOUT amplitude of either

±VREF or ±VREF/2. Also included with the ML2036 is an

inhibit function which allows the sinewave output to be

held at zero volts after completing the last half cycle of the

sine wave in progress. Two digital clock outputs are

provided to drive other devices with one half or one eighth

of the input clock frequency.

The ML2036 is intended for telecommunications and

modem applications that need low cost and accurate

generation of precise test tones, call progress tones, and

signaling tones.

BLOCK DIAGRAM (Pin Configuration Shown for 14-Pin PDIP Version)

FEATURES

s

Programmable output frequency - DC to 50kHz

s

Low gain error and total harmonic distortion

s

3-wire SPI compatible serial microprocessor interface

with double buffered data latch

s

Fully integrated solution - no external components

required

s

Frequency resolution of 1.5Hz (±0.75Hz) with a

12MHz clock input

s

Onboard 3 to 12MHz crystal oscillator

s

Clock outputs of 1/2 or 1/8 of the input clock frequency

s

Synchronous or asynchronous data loading capability

s

Compatible with ML2031 and ML2032 tone detectors

and ML2004 logarithmic gain/attenuator

CLK OUT 2

CLK OUT 1

VOUT

LATI

SCK

SID

4

2

3

10

8-BIT

DAC

PHASE

ACCUMULATOR

& 512 POINT

SINE LOOK-UP

TABLE

8

16

16-BIT DATA LATCH

16-BIT SHIFT REGISTER

CRYSTAL

OSCILLATOR

÷2

CLK IN

14

AGND

11

VCC

8

12

-

+

5k

Ω

5k

Ω

ZERO

DETECT

SMOOTHING

FILTER

÷2

4

3

DGND

VSS

1

2

PDN-INH

VREF

9

GAIN

13

* Some Packages Are Obsolete

Số phần tương tự - ML2036IP

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Fairchild Semiconductor	ML2036	97Kb / 12P	Serial Input Programmable Sine Wave Generator with Digital Gain Control

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