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TS4890ID Datenblatt(PDF) 1 Page - STMicroelectronics

Teilenummer TS4890ID
Bauteilbeschribung  RAIL TO RAIL OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE LOW
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4890ID Datenblatt(HTML) 1 Page - STMicroelectronics

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s OPERATING FROM V
CC = 2.2V to 5.5V
s 1W RAI L TO RAIL OUTPUT POWER @
Vcc=5V, THD=1%, f=1kHz, with 8
Ω Load
s ULTRA LOW CONSUMPTION IN STANDBY
MODE (10nA)
s 75dB PSRR @ 217Hz from 5 to 2.2V
s POP & CLICK REDUCTION CIRCUITRY
s ULTRA LOW DISTORTION (0.1%)
s UNITY GAIN STABLE
s AVAILABLE IN SO8, MiniSO8 & DFN8
DESCRIPTION
The TS4890 (MiniSO8 & SO8) is an Audio Power
Amplifier capable of delivering 1W of continuous
RMS. ouput power into 8
Ω load @ 5V.
This Audio Amplifier is exhibiting 0.1% distortion
level (THD) from a 5V supply for a Pout = 250mW
RMS. An external standby mode control reduces
the supply current to less than 10nA. An internal
thermal shutdown protection is also provided.
The TS4890 have been designed for high quality
audio applications such as mobile phones and to
minimize the number of external components.
The unity-gain stable amplifier can be configured
by external gain setting resistors.
APPLICATIONS
s Mobile Phones (Cellular / Cordless)
s Laptop / Notebook Computers
s PDAs
s Portable Audio Devices
ORDER CODE
MiniSO & DFN only available in Tape & Reel: with T suffix.
SO is available in Tube (D) and of Tape & Reel (DT)
PIN CONNECTIONS (Top View)
Part
Number
Temperature
Range
Package
Marking
SD
Q
TS4890
-40, +85°C
•
4890I
•
4890
•
4890
Standby
Bypass
V+
IN
VIN-
V2
OUT
GND
VCC
VOUT1
1
2
3
4
8
7
6
5
Rin
Cin
Rstb
Cb
Rfeed
4
3
2
1
5
8
Vin-
Vin+
-
+
-
+
Bypass
Standby
Bias
6
Vout1
Vout2
Av=-1
TS4890
RL
8 Ohms
Audio
Input
Vcc
Vcc
Cfeed
Cs
7
TYPICAL APPLICATION SCHEMATIC
TS4890IST - MiniSO8
TS4890ID, TS4890IDT - SO8
Standby
Bypass
V+
IN
VIN-
V2
OUT
GND
VCC
VOUT1
1
2
3
4
8
7
6
5
TS4890IQT - DFN8
1
2
3
4
5
8
7
6
STANDBY
BYPASS
V
OUT 2
V
IN-
V
IN+
Vcc
V
OUT 1
GND
1
2
3
4
5
8
7
6
STANDBY
BYPASS
V
OUT 2
V
IN-
V
IN+
Vcc
V
OUT 1
GND
TS4890
RAIL TO RAIL OUTPUT 1W AUDIO POWER AMPLIFIER WITH
STANDBY MODE ACTIVE LOW
June 2003


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