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AS1706

Description
audio amplifiers
CategoryAnalog mixed-signal IC    Consumption circuit   
File Size356KB,18 Pages
ManufacturerAMS
Websitehttps://ams.com/zh
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AS1706 Overview

audio amplifiers

AS1706 Parametric

Parameter NameAttribute value
MakerAMS
Parts packaging codeMSOP
package instructionTSSOP,
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
Commercial integrated circuit typesAUDIO AMPLIFIER
JESD-30 codeS-PDSO-G8
length3 mm
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Nominal output power1.6 W
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
width3 mm
Data sheet
AS1701, AS1706
1.6W Audio Power Amplifiers
1 General Description
The AS1701 and AS1706 are 1.6W bridged audio power amplifiers
that provide excellent circuit reliability, providing a very low-cost solu-
tion by eliminating external components when used with 2.7 to 5.5V-
powered circuits.
The devices have superb total harmonic distortion (THD) at high-
power output and excellent power supply rejection with 4- and 8Ω-
loads.
Integrated over-temperature and over-current protection circuitry
switch the devices off in case of an output
short-circuit. A digital input allows the devices to automatically switch
into shutdown mode. Click- and pop-suppression circuitry reduces
audible clicks and pops during power-up and shutdown. The gain
(A
V
) of the devices is controlled using external resistors.
The AS1701/AS1706 are available in an 8-pin MSOP package.
2 Key Features
2.7 to 5.5V (V
DD
) Single-Supply Operation
Very High PSRR: Greater Than 65dB @ 217Hz
THD+Noise: 1.6W into 4Ω at 1%
No Output Coupling Capacitors Required
External Gain Configuration Capability
Low-Power Shutdown Mode: 10nA
Click and Pop Suppression
Over-Temperature and Over-Current Protection
Operating Temperature Range: -40 to +85°C
8-pin MSOP Package
3 Applications
The AS1701/AS1706 are ideal as audio front-ends for battery pow-
ered audio devices such as MP3 and CD players, mobile phones,
PDAs, portable DVD players, and any other hand-held battery-pow-
ered device.
Figure 1. Typical Configuration Block Diagram
V
DD
+
10µF
20kΩ
R
F
C
S
6
V
DD
Audio
Input
C
IN
0.33µF
R
IN
20kΩ
4
IN-
3
IN+
+
50kΩ
40kΩ
5
OUT+
40kΩ
RL =
4 or 8Ω
8
OUT-
2
0.1 to
+
1µF C
B
BIAS
V
DD
/2
+
Av = -1
1
SHDN
Bias
50kΩ
AS1701/
AS1706
7
GND
www.austriamicrosystems.com/Audio/Amps/AS1701_06
Revision 1.53
1 - 18

AS1706 Related Products

AS1706 AS1701-T AS1706-T AS1706 DB AS1701 DB AS1701
Description audio amplifiers IC amp audio power 1.6W 8-msop IC amp audio power 1.6W 8-msop board demo as1706 board demo as1701 audio amplifiers
Maker AMS AMS AMS - - AMS
Parts packaging code MSOP MSOP MSOP - - MSOP
package instruction TSSOP, TSSOP, TSSOP, - - TSSOP,
Contacts 8 8 8 - - 8
Reach Compliance Code unknown unknow unknow - - unknown
ECCN code EAR99 EAR99 EAR99 - - EAR99
Commercial integrated circuit types AUDIO AMPLIFIER AUDIO AMPLIFIER AUDIO AMPLIFIER - - AUDIO AMPLIFIER
JESD-30 code S-PDSO-G8 S-PDSO-G8 S-PDSO-G8 - - S-PDSO-G8
length 3 mm 3 mm 3 mm - - 3 mm
Number of channels 1 1 1 - - 1
Number of functions 1 1 1 - - 1
Number of terminals 8 8 8 - - 8
Maximum operating temperature 85 °C 85 °C 85 °C - - 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C - - -40 °C
Nominal output power 1.6 W 1.6 W 1.6 W - - 1.6 W
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - - PLASTIC/EPOXY
encapsulated code TSSOP TSSOP TSSOP - - TSSOP
Package shape SQUARE SQUARE SQUARE - - SQUARE
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH - - SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification status Not Qualified Not Qualified Not Qualified - - Not Qualified
Maximum seat height 1.1 mm 1.1 mm 1.1 mm - - 1.1 mm
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V - - 5.5 V
Minimum supply voltage (Vsup) 2.7 V 2.7 V 2.7 V - - 2.7 V
surface mount YES YES YES - - YES
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL - - INDUSTRIAL
Terminal form GULL WING GULL WING GULL WING - - GULL WING
Terminal pitch 0.65 mm 0.65 mm 0.65 mm - - 0.65 mm
Terminal location DUAL DUAL DUAL - - DUAL
width 3 mm 3 mm 3 mm - - 3 mm
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