kx1400 Conexant Systems, Inc., kx1400 Datasheet

kx1400

Manufacturer Part Number

kx1400

Description

Kx1400 Audio Playback Ic

Manufacturer

Conexant Systems, Inc.

Datasheet

1.KX1400.pdf (2 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

kx1400-DK

Manufacturer:

Keterex

Quantity:

135

Current page: 1 of 2
Download datasheet (645Kb)

The KX1400 is an audio playback IC

designed to play 8 kHz audio data

directly to an external speaker via an

on-chip digital audio processor and

class-D driver. Both 12-bit PCM and

4-bit IMA ADPCM data formats are

supported. It also has a built-in tone

generator capable of generating

tones at 4096 different frequencies.

The on-chip audio processor

eliminates the need for an external

low-pass filter in most cases. The

KX1400 utilizes low-power CMOS

technology and provides a stand-by

power-savings state, making it well

suited for battery-powered

applications.

KX1400 Audio Playback IC

KX1400EG-11Z

KX1400DK-EVK

The devices are lead-free (Pb free) and RoHS compliant

Conexant Part

Number

H os t M C U

XT AL1

M C LK

KX1400EG-11Z

KX1400DK-EVK

M SSL

M OSI

P1.0

Ordering Number

GN D

P1.1

+ VD D

The KX1400 operates in either a

standalone mode or interfaced to a

microcontroller (MCU) host. Audio data

is provided to the KX1400 from either a

user-programmed external serial

memory or from the host MCU. Under

MCU control, the user can select

phrases or tone sequences to play from

the external memory, play tone

sequences via commands, or stream

audio data directly to the on-chip audio

processor. In standalone mode, no

MCU is required; on reset, the KX1400

plays a single phrase from external

memory and then returns to a stand-by

power-saving state.

KX1400 Audio Playback IC

KX1400 Evaluation Kit

C S

SC L

SD I

C LKOU T (Optional)

BU SY

R D Y (Optional)

M SIZ E

M OD E

R ST

GN D

VD D

VD D2

Description

GPO1

GPO 2

SPO+

M C LK

SPO -

M SSL

M ISO

M OSI

24QFN 4x4mm

Packages

Serial

M em ory

SC K

C S

Optional

GN D

VC C

Example Application Circuit

The example circuit shown in the right

column below shows the KX1400 in

host-controlled operation with audio

data stored in external serial memory.

Commands are sent from the MCU to

play tones and audio phrases from

external memory. Audio data and

commands can also be stored in the

MCU's data memory and transmitted to

the KX1400, eliminating the need for

an external memory IC.

Part Number KX1400

Description KX1400 Audio

Playback IC

Related parts for kx1400

kx1400 Summary of contents

Page 1

... The devices are lead-free (Pb free) and RoHS compliant The KX1400 operates in either a standalone mode or interfaced to a microcontroller (MCU) host. Audio data is provided to the KX1400 from either a user-programmed external serial memory or from the host MCU. Under MCU control, the user can select ...

Page 2

... I The KX1400 is offered in a 24-pin 4X4mm QFN (KX1400EG) package Conexant Product Portfolio Conexant’s comprehensive product portfolio includes solutions for imaging, audio, video surveillance, and embedded modem applications. © 2011 Conexant Systems, Inc. All Rights Reserved. Conexant and the Conexant logo are registered trademarks of Conexant Systems, Inc ...

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