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FX0063, FX009, FX009A

Table of contents:
Info of FX0063
Info of FX009
Info of FX009A

FX0063, FX009, FX009A Selling Leads, Datasheet

MFG:N/A Package Cooled:TO-3 D/C:04+

FX0063, FX009, FX009A Datasheet download

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Part Number: FX0063

MFG: N/A

Package Cooled: TO-3

D/C: 04+

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FX009A General Description

The FX009A Digitally Adjustable Amplifier Array is intended to replace trimmer potentiometers and volume controls in Cellular, PMR, Telephony and Communications applications where d.c., voice or data signals need adjustment.

The FX009A is a low-noise single-chip LSI consisting eight digitally controlled amplifier stages, each with 15 distinct gain/attenuation steps. Control of each individual amplifier is by an 8-bit serial data stream. Seven of the amplifier stages offer a +/-3dB range in steps of 0.43dB, whilst the remaining amplifier offers a +/-14dB range in steps of 2dB, and is intended for volume control applications. Each amplifier includes a 16th 'Mute' state which sets the output to bias (VDD/2) and powersaves the entire section.

This product replaces the need for manual trimming of audible signals by using the host microprocessor to digitally control the set-up of all audio levels.

FX009A Maximum Ratings

Exceeding the maximum rating can result in device damage. Operation of the device outside the operating limits is
not implied.
Supply voltage                                                                                  -0.3 to 7.0V
Input voltage at any pin (ref V_SS = 0V)                                            -0.3 to (V_DD + 0.3V)
Sink/source current (supply pins)                                                    +/- 30mA
                               (other pins)                                                      +/- 20mA
Total device dissipation @ T_AMB 25°C                                           800mW Max.
Derating                                                                                         10mW/°C
Operating temperature range: FX009A J                                       -30°C to +85°C (cerdip)
                                                 FX009A LG/LS                              -30°C to +70°C (plastic)
Storage temperature range: FX009A J                                         -55°C to +125°C (cerdip)
                                              FX009A LG/LS                                 -40°C to +85°C (plastic)

FX009A Features

8 Digitally Controlled Low-Noise Amplifiers
15 Gain/Attenuation Steps
7 Trimmers, with a ± 3dB Range in 0.43dB Steps
1 'Volume' Trimmer, with a ± 14dB Range in 2.0dB Steps
8-Bit Serial Data Control
Output Mute/Powersave Function
Audio and Data Gain Control Applications
Cellular, PMR, PABX Applications

FX009A Typical Application

(i) Control, adjustment and set-up of communications equipment by an Intelligent ATE without manual intervention eg. Deviation, Microphone and L/S Level, Rx Audio Level etc.

(ii) Automatic Dynamic Compensation of drift caused by variations in temperature, linearity, etc.

(iii)Fully automated servicing and re-alignment.

The FX009A is a low-power, single 5-volt CMOS device available in both 24-pin DIL and SMD package versions.

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