Product Information

AS3400 EK-ST

Product Image X-ON

Datasheet
Audio IC Development Tools Active Noise Cancel 20dB Evaluation Kit

Manufacturer: ams
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
N/A

Obsolete
Availability Price Quantity
0 - Global Stock

MOQ : 1
Multiples : 1
1 : USD 178.0653
N/A

Obsolete
0 - Global Stock

MOQ : 1
Multiples : 1
1 : USD 105.625
N/A

Obsolete
0 - Global Stock

MOQ : 1
Multiples : 1
1 : USD 68.8622
N/A

Obsolete
     
Manufacturer
ams
Product Category
Audio IC Development Tools
RoHS - XON
Y Icon ROHS
Product
Evaluation Kits
Type
Speaker Drivers
Tool Is For Evaluation Of
As3400
Operating Supply Voltage
1 v to 1.8 V
Packaging
Bulk
Series
As3400 Ek - St
Brand
Ams
Cnhts
8543709991
Hts Code
9030820000
Product Type
Audio Ic Development Tools
Factory Pack Quantity :
1
Subcategory
Development Tools
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AS3400 AS3410 AS3430 Low Power Ambient Noise-Cancelling Speaker Driver Line Input 1 General Description Volume control via serial interface or volume pin The AS3400/10/30 are speaker driver with Ambient Noise Cancelling 64 steps 0.75dB and MUTE, pop-free gain setting function for handsets, headphones or ear pieces. It is intended to Single ended stereo or mono differential mode improve quality of e.g. music listening, a phone conversation etc. by reducing background ambient noise. ANC processing The fully analog implementation allows the lowest power Feed-forward cancellation consumption, lowest system BOM cost and most natural received voice enhancement otherwise difficult to achieve with DSP Feed-back cancellation with filter loop transfer function implementations. The device is designed to be easily applied to definable via simple RC components existing architectures. Simple in production SW calibration An internal OTP-ROM can be optionally used to store the 12-30dB noise reduction (headset dependent) microphones gain calibration settings. 10-2000Hz wide frequency active noise attenuation (headset The AS3400/10/30 can be used in different configurations for best dependent) trade-off of noise cancellation, required filtering functions and mechanical designs. Monitor Function The simpler feed-forward topology is used to effectively reduce low For assisted hearing, i.e. to monitor announcements frequency background noise. The feed-back topology with either 1 or Fixed (OTP prog.) ambient sound amplification to compensate 2 filtering stages can be used to reduce noise for a larger frequency headphone passive attenuation range, and to even implement transfer functions like speaker equalization, Baxandall equalization, high/low shelving filter and to Volume controlled ambient sound amplification mixed with fixed set a predefined loop bandwidth. (OTP prog.) attenuation of LineIn The filter loop is optimized by the user for specific handset electrical Incremental Functions and mechanical designs by dimensioning simple R, C components. ANC with or without music on the receiving path Most handset implementations will make use of a single noise detecting microphone. Two microphones could be used to allow for Improved dynamic range playback increased flexibility of their location in the handset mechanical OTP ROM for automatic trimming during production (4 times design. Using the bridged mode allows to even drive high impedance programbable) headsets. Performance Parameter 5/3.8mA 1.5V stereo/mono ANC <1A quiescent 2 Key Features Extended PSRR for 217Hz Microphone Input Interfaces 128 gain steps 0.375dB and MUTE with AGC 2-wire serial control mode & volume inputs Differential, low noise microphone amplifier Calibration via Line-In or 2-wire serial interface (patent pending) Single ended or differential mode Single cell or fixed 1.0-1.8V supply with internal CP Improved supply for electret microphone MIC gain OTP programmable Package AS3400, AS3410 QFN24 4x4mm 0.5mm pitch High Efficiency Headphone Amplifier AS3430 QFN32 5.x5mm 0.5mm pitch 2x34mW, 0.1% THD 16, 1.5V supply, 100dB SNR Bridged mode for e.g. 300 loads 3 Applications Click and pop less start-up and mode switching The devices are ideal for Ear pieces, Headsets, Hands-Free Kits, Mobile Phones, and Voice Communicating Devices. www.austriamicrosystems.com Revision 1.02 1 - 51AS3400 AS3410 AS3430 1v0 Data Sheet - Applications Figure 1. AS3410 Feed Forward ANC Block Diagram Figure 2. AS3430 Feed-Back Block Diagram www.austriamicrosystems.com Revision 1.02 2 - 51

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free
AMS
ams / CMOSIS
ams AG
AMS SENSORS GERMANY
AMS SENSORS GERMANY GMBH
AMS SENSORS UK LTD
Ams-Taos
AMS-TAOS USA Inc
AMS-TAOS USA Inc.
TAS