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TS4890, TS4890IQT, TS4890IST ST

Table of contents:
Info of TS4890
Info of TS4890IQT
Info of TS4890IST ST

TS4890, TS4890IQT, TS4890IST ST Selling Leads, Datasheet

MFG:STMicroelectronics Category:Integrated Circuits (ICs) Package Cooled:07+ D/C:06+

TS4890, TS4890IQT, TS4890IST ST Datasheet download

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Part Number: TS4890IQT

Category: Integrated Circuits (ICs)

MFG: STMicroelectronics

Package Cooled: 07+

D/C: 06+

Description: IC AMP AUDIO 1W OUTPUT R-R 8-DFN

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TS4890 General Description

The TS4890 (MiniSO8 & SO8) is an Audio Power Amplifier capable of delivering 1W of continuous RMS. ouput power into 8W 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.

TS4890 Maximum Ratings

Symbol	Parameter	Value	Unit
V_CC	Supply voltage 1)	6	V
V_i	Input Voltage 2)	GND to V_CC	V
T_ope	Operating Free Air Temperature Range	-40 to + 85
T_stg	Storage Temperature	-65 to +150
T_j	Maximum Junction Temperature	150
R_thja	Thermal Resistance Junction to Ambient3) SO8 MiniSO8 DFN8	175 215 70	/W
P_d	Power Dissipation4)	See Power Derating Curves Fig. 24	W
E_SD	Human Body Model	2	kV
E_SD	Machine Model	200	V
	Latch-up Immunity	Class A
	Lead Temperature (soldering, 10sec)	260

1. All voltages values are measured with respect to the ground pin.
2. The magnitude of input signal must never exceed V_CC + 0.3V / G_ND- 0.3V
3. Device is protected in case of over temperature by a thermal shutdown active @ 150°C.
4. Exceeding the power derating curves during a long period may involve abnormal working of the device.

TS4890 Features

` OPERATING FROM V_CC = 2.2V to 5.5V
` 1W RAI L TO RAIL OUTPUT POWER @ Vcc=5V, THD=1%, f=1kHz, with 8 Load
` ULTRA LOW CONSUMPTION IN STANDBY MODE (10nA)
` 75dB PSRR @ 217Hz from 5 to 2.2V
` POP & CLICK REDUCTION CIRCUITRY
` ULTRA LOW DISTORTION (0.1%)
` UNITY GAIN STABLE
` AVAILABLE IN SO8, MiniSO8 & DFN8

TS4890 Typical Application

· Mobile Phones (Cellular / Cordless)
· Laptop / Notebook Computers
· PDAs
· Portable Audio Devices

TS4890 Connection Diagram

TS4890IQT Parameters

Technical/Catalog Information	TS4890IQT
Vendor	STMicroelectronics
Category	Integrated Circuits (ICs)
Package / Case	8-DFN
Type	Class AB
Output Type	1-Channel (Mono)
Voltage - Supply	2.5 V ~ 5.5 V
Packaging	Tape & Reel (TR)
Features	Depop, Standby, Thermal Protection
Max Output Power x Channels @ Load	1W x 1 @ 8 Ohm
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TS4890IQT TS4890IQT

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