AS1703-T, AS1703V-T, AS1704 Selling Leads, Datasheet
MFG:AS Package Cooled:MSOP D/C:06+
AS1703-T, AS1703V-T, AS1704 Datasheet download
Part Number: AS1703-T
MFG: AS
Package Cooled: MSOP
D/C: 06+
AS1703-T, AS1703V-T, AS1704
- Table of contents:
Info of AS1703-T
Info of AS1703V-T
Info of AS1704
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About AS1703-T
PDF/DataSheet Download
Datasheet: AS1703-T
File Size: 192092 KB
Manufacturer: AMSCO [austriamicrosystems AG]
Download : Click here to Download
About AS1
PDF/DataSheet Download
Datasheet: AS1
File Size: 846620 KB
Manufacturer:
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About AS1704
PDF/DataSheet Download
Datasheet: AS1704
File Size: 192092 KB
Manufacturer: AMSCO [austriamicrosystems AG]
Download : Click here to Download
AS1704 General Description
The AS1702, AS1703, AS1704, and AS1705 are singlechannel differential audio power-amplifiers designed to drive 4 and 8Ω loads. The integrated gain circuitry of these amplifiers and their small size make them ideal for 2.7- to 5V-powered portable audio devices.
The differential input design improves noise rejection and provides common-mode rejection. A bridge-tied load (BTL) design minimizes external component count,while providing Hi-Fi audio power amplification.The devices deliver 1.6W continuous average power per channel to a 4Ω load with less than 1% total harmonic distortion (plus noise), while operating from a single 2.7 to 5V supply.
In order to facilitate reduced component designs, the devices are available with different gain levels:
AS1702 Adjustable Gain (via external components)
AS1703 AV = 0dB
AS1704 AV = 3dB
AS1705 AV = 6dB
Integrated shutdown circuitry disables the bias generator and amplifiers, and reduces quiescent current consumption to less than 100nA. The shutdown input can be set as active-high or active-low. All devices contain comprehensive click-and-pop suppression circuitry that reduces audible clicks and pops during power-up and shutdown.
The AS1702, AS1703, AS1704, and AS1705 are pin compatible with the LM4895 and the MAX9718A/B/C/D. The devices are available in a 10-pin MSOP package.
AS1704 Maximum Ratings
| Parameter | Min | Max | Unit | Comments |
| Supply Voltage (Vcc to GND) | -0.3 | +7 | V | |
| Any Other Pin to GND | -0.3 | VCC + 0.3 | V | |
| Input Current (Latchup Immunity) | -100 | 100 | mA | JEDEC 17 |
| Continuous Power Dissipation (TAMB = +70°C) |
TBD | mW | MSOP-10 (Derate 10.3mW/°C above +70°C) | |
| Electro-Static Discharge (ESD) | 1 | kV | Human Body Model and MILStd883E 3015.7methods | |
| Operating Temperature Range (TAMB) | -40 | +85 | °C | |
| Storage Temperature Range | -65 | +150 | °C | |
| Package Body Temperature | 260 | °C |
AS1704 Features
2.7 to 5.5V (VCC) Single-Supply Operation
THD+N: 1.6W into 4Ω at 1% (per Channel)
Differential Input
Adjustable Gain Option (AS1702)
Internal Fixed Gain to Reduce External Component Count (AS1703, AS1704, AS1705)
<100nA Low-Power Shutdown Mode
Click and Pop Suppression
Pin-Compatible National Semiconductor LM4895 (AS1705) and Maxim MAX9718A/B/C/D
Operating Temperature Range: -40 to +85°C
Low-Cost MSOP-10 Package
THD+N: 1.6W into 4Ω at 1% (per Channel)
Differential Input
Adjustable Gain Option (AS1702)
Internal Fixed Gain to Reduce External Component Count (AS1703, AS1704, AS1705)
<100nA Low-Power Shutdown Mode
Click and Pop Suppression
Pin-Compatible National Semiconductor LM4895 (AS1705) and Maxim MAX9718A/B/C/D
Operating Temperature Range: -40 to +85°C
Low-Cost MSOP-10 Package
AS1704 Typical Application
The devices are ideal as audio front-ends for battery powered audio devices such as MP3 and CD players,mobile phones, PDAs, portable DVD players, and any other hand-held battery-powered device.
AS1704 Connection Diagram
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