ML2035IP

ML2035IP Datasheet

ML2035

Part	Datasheet
ML2035IP	ML2035IP (pdf)

PDF Datasheet Preview
February 1997 ML2035 Serial Input Programmable Sine Wave Generator The ML2035 is a monolithic sinewave generator whose output is programmable from DC to 25kHz. 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 ML2035 has a VOUT amplitude of ±VCC/2. The ML2035 is intended for telecommunications and modem applications that need low cost and accurate generation of precise test tones, call progress tones, and signaling tones. s Programmable output frequency - DC to 25kHz 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 Synchronous or asynchronous data loading capability s Compatible with ML2031 and ML2032 tone detectors and ML2004 logarithmic gain/attenuator BLOCK DIAGRAM CLK IN CRYSTAL OSCILLATOR LATI 8-BIT DAC PHASE ACCUMULATOR & 512 POINT SINE LOOK-UP TABLE 16-BIT DATA LATCH 16-BIT SHIFT REGISTER SMOOTHING FILTER VOUT ZERO DETECT ML2035 PIN CONFIGURATION ML2035 8-Pin PDIP P08 VSS 1 SCK 2 8 CLK IN 7 GND SID 3 6 VOUT LATI 4 5 VCC TOP VIEW PIN DESCRIPTION PIN NAME 1 VSS 2 SCK 3 SID 4 LATI FUNCTION Negative supply -5V . ORDERING INFORMATION PART NUMBER ML2035CP ML2035IP TEMPERATURE RANGE 0ºC to 70ºC -40ºC to 85ºC PACKAGE 8-Pin PDIP P08 8-Pin PDIP P08 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. 2000 Fairchild Semiconductor Corporation

PDF Datasheet Preview

February 1997

ML2035

Serial Input Programmable Sine Wave Generator

The ML2035 is a monolithic sinewave generator whose output is programmable from DC to 25kHz. 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 ML2035 has a VOUT amplitude of ±VCC/2.

The ML2035 is intended for telecommunications and modem applications that need low cost and accurate generation of precise test tones, call progress tones, and signaling tones.
s Programmable output frequency - DC to 25kHz
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 Synchronous or asynchronous data loading capability
s Compatible with ML2031 and ML2032 tone detectors and ML2004 logarithmic gain/attenuator

BLOCK DIAGRAM

CLK IN

CRYSTAL OSCILLATOR

LATI
8-BIT DAC

PHASE ACCUMULATOR
& 512 POINT SINE LOOK-UP

TABLE
16-BIT DATA LATCH
16-BIT SHIFT REGISTER

SMOOTHING FILTER

VOUT

ZERO DETECT

ML2035

PIN CONFIGURATION

ML2035 8-Pin PDIP P08

VSS 1 SCK 2
8 CLK IN 7 GND

SID 3
6 VOUT

LATI 4
5 VCC

TOP VIEW

PIN DESCRIPTION

PIN NAME 1 VSS 2 SCK
3 SID 4 LATI

FUNCTION

Negative supply -5V .
ORDERING INFORMATION

PART NUMBER ML2035CP ML2035IP

TEMPERATURE RANGE 0ºC to 70ºC -40ºC to 85ºC

PACKAGE 8-Pin PDIP P08 8-Pin PDIP P08

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.

A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
2000 Fairchild Semiconductor Corporation

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Datasheet ID: ML2035IP 634331