TS4990
1W
AUDIO POWER AMPLIFIER WITH ACTIVE LOW
STANDBY MODE
ADVANCE DATA
s
OPERATING FROM
V
CC
= 2.2V to 5.5V
s
1W
OUTPUT POWER @ Vcc=5V, THD=1%,
f=1kHz, with
8
Ω
Load
PIN CONNECTIONS
(top view)
s
ULTRA LOW CONSUMPTION IN STANDBY
MODE
(10nA)
TS4990JT - FLIP CHIP
s
62dB
PSRR @ 217Hz @ Grounded mode
s
Zero
POP & CLICK
s
ULTRA LOW DISTORTION
(0.1%)
s
UNITY GAIN STABLE
s
AVAILABLE IN 9 BUMPS
Flip Chip Package
DESCRIPTION
The TS4990 has been designed for demanding
audio applications such as mobile phones and to
minimize the number of external components.
This Audio Power Amplifier is capable of deliver-
ing 1W of continuous RMS Ouput Power into an
8
Ω
load @ 5V.
An externally controlled standby mode control re-
duces the supply current to less than 10nA. It also
includes an internal thermal shutdown protection.
The unity-gain stable amplifier can be configured
by external gain setting resistors.
Rfeed
4
+
6
7
8
1
Vin-
Vout1
Vin+
5
4
3
GND
GND
9
VCC
BYPASS
VOUT2
STBY
2
TYPICAL APPLICATION SCHEMATIC
APPLICATIONS
Cfeed
Vcc
Cs
s
Mobile Phones (Cellular / Cordless)
s
Laptop / Notebook Computers
s
PDAs
s
Portable Audio Devices
Audio In
Cin
Rin
7
Vin-
-
Vout 1
VCC
6
Speaker
8 Ohms
5
Vin+
+
-
AV = -1
Vout 2
2
1
Bypass
+
ORDER CODE
Part Number
TS4990IJT
Temperature
Range
-40, +85°C
Package
J
•
Standby
Control
Cb
3
Standby
Bias
GND
+
TS4990
9
J =
Flip Chip Package - only available in Tape & Reel (JT)
February 2003
This is a preliminary information on a new product now in development. Details are subject to change without notice.
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