TS4872 POWER AMPLIFIER Datasheet

TS4872 Datasheet, PDF, Equivalent


Part Number

TS4872

Description

1W AUDIO POWER AMPLIFIER

Manufacture

STMicroelectronics

Total Page 29 Pages
Datasheet
Download TS4872 Datasheet


TS4872
TS4872
RAIL TO RAIL INPUT/OUTPUT
1W AUDIO POWER AMPLIFIER WITH STANDBY MODE
NOT FOR NEW DESIGN
OPERATING FROM VCC = 2.2V to 5.5V
RAIL TO RAIL INPUT/OUTPUT
PIN CONNECTIONS (Top View)
1W OUTPUT POWER @ Vcc=5V, THD=1%,
f=1kHz, with 8Load
)ULTRA LOW CONSUMPTION IN STANDBY
t(sMODE (10nA)
c75dB PSRR @ 217Hz @ 5 & 2.6V
duULTRA LOW POP & CLICK
ro )ULTRA LOW DISTORTION (0.05%)
P t(sUNITY GAIN STABLE
lete uc8 X170µm BUMPS FLIP CHIP PACKAGE
so rodDESCRIPTION
b PThe TS4872 is an Audio Power Amplifier capable
- O teof delivering 1W of continuous RMS Ouput Power
) leinto 8load @ 5V.
t(s soThis Audio Amplifier is exhibiting 0.1% distortion
c blevel (THD) from a 5V supply for a Pout = 250mW
uRMS. An external standby mode control reduces
d - Othe supply current to less than 10nA. An internal
ro )shutdown protection is provided.
P t(sThe TS4872 has been designed for high quality
te caudio applications such as mobile phones and to
le uminimize the number of external components.
so rodThe unity-gain stable amplifier can be configured
by external gain setting resistors.
Ob te PAPPLICATIONS
leMobile Phones (Cellular / Cordless)
oPDAs
bsLaptop/Notebook computers
OPortable Audio Devices
TS4872IJT - FLIP CHIP
7 65
Vin+ Vcc STDBY
8 Vout1
Vout2 4
Vin GND BYPASS
12
3
TYPICAL APPLICATION SCHEMATIC
Audio
Input
Rin
Cin
Cfeed
Rfeed Vcc
6
1 Vin- -
7 Vin+ +
Vcc
-
Cs
Vout1 8
Vout2 4
RL
8 Ohms
3 Bypass
Av=-1
+
ORDER CODE
Rstb
5 Standby
Bias
Part
Number
Temperature Package
Range
J
Marking
TS4872
Cb
2
TS4872IJT -40, +85°C
YW4872
J = Flip Chip Package - only available in Tape & Reel (JT)
April 2005
1/29

TS4872
TS4872
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply voltage 1)
6V
Vi Input Voltage 2)
GND to VCC
V
Toper Operating Free Air Temperature Range
-40 to + 85
°C
Tstg Storage Temperature
-65 to +150
°C
Tj Maximum Junction Temperature
150 °C
Rthja Flip Chip Thermal Resistance Junction to Ambient 3)
200 °C/W
Pd Power Dissipation
Internally Limited
ESD Human Body Model
ESD Machine Model
)Latch-up Latch-up Immunity
t(sLead Temperature (soldering, 10sec)
c1. All voltages values are measured with respect to the ground pin.
u2. The magnitude of input signal must never exceed VCC + 0.3V / GND - 0.3V
d3. Device is protected in case of over temperature by a thermal shutdown active @ 150°C
Pro t(s)OPERATING CONDITIONS
te cSymbol
Parameter
le uVCC
so rodVICM
) - Oblete PVSTB
Supply Voltage
Common Mode Input Voltage Range
VCC from 2.6V to 5V
VCC < 2.6V
Standby Voltage Input :
Device ON
Device OFF
t(s soRL Load Resistor
c bRthja Flip Chip Thermal Resistance Junction to Ambient 1)
ObsOoblestoelePteroPdruocdt(us) - O1. With Heat Sink Surface = 125mm2
2
200
Class A
250
kV
V
°C
Value
2.2 to 5.5
Unit
V
GND to VCC
VCC / 2
GND VSTB 0.5V
VCC - 0.5V VSTB VCC
4 - 32
95
V
°C/W
2/29


Features TS4872 RAIL TO RAIL INPUT/OUTPUT 1W AUD IO POWER AMPLIFIER WITH STANDBY MODE N OT FOR NEW DESIGN ■ OPERATING FROM V CC = 2.2V to 5.5V ■ RAIL TO RAIL INPU T/OUTPUT PIN CONNECTIONS (Top View) 1W OUTPUT POWER @ Vcc=5V, THD=1%, N EW f=1kHz, with 8Ω Load )■ ULTRA L OW CONSUMPTION IN STANDBY t(sMODE (10nA ) c■ 75dB PSRR @ 217Hz @ 5 & 2.6V du ULTRA LOW POP & CLICK ro )■ ULTRA LOW DISTORTION (0.05%) P t(s■ UNITY G AIN STABLE lete uc■ 8 X170µm BUMPS F LIP CHIP PACKAGE so rodDESCRIPTION b PT he TS4872 is an Audio Power Amplifier c apable - O teof delivering 1W of contin uous RMS Ouput Power ) leinto 8Ω load @ 5V. t(s soThis Audio Amplifier is ex hibiting 0.1% distortion c blevel (THD) from a 5V supply for a Pout = 250mW uR MS. An external standby mode control re duces d - Othe supply current to less t han 10nA. An internal ro )shutdown prot ection is provided. P t(sThe TS4872 has been designed for high quality te caud io applications such as mobile phones and to le uminimize the n.
Keywords TS4872, datasheet, pdf, STMicroelectronics, 1W, AUDIO, POWER, AMPLIFIER, S4872, 4872, 872, TS487, TS48, TS4, Equivalent, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute




@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)