TS4984 Datasheet, PDF (1/29 Pages) STMicroelectronics – 2 x 1W Stereo audio power amplifier with active low standby mode

TS4984
2 x 1W Stereo audio power amplifier
with active low standby mode
■ Operating from V_CC=2.2V to 5.5V
■ 1W output power per channel @ V_CC=5V,
THD+N=1%, RL=8Ω
■ 10nA standby current
■ 62dB PSRR @ 217Hz with grounded inputs
■ High SNR: 100dB(A) typ.
■ Near-zero pop & click
■ Available in QFN16 4x4 mm, 0.5mm pitch,
leadfree package
Description
The TS4984 has been designed for top of the
class stereo audio applications. Thanks to its
compact and power dissipation efficient QFN
package, it suits various applications.
With a BTL configuration, this Audio Power
Amplifier is capable of delivering 1W per channel
of continuous RMS output power into an 8Ω load
@ 5V.
An externally controlled standby mode control
reduces the supply current to less than 10nA per
channel. The device also features an internal
thermal shutdown protection.
The gain of each channel can be configured by
external gain setting resistors.
Pin Connections (top view)
TS4984IQ — TQFN16 4x4mm
IN- L
IN+ L
BYPASS L
NC
VO-L VO+L VCC1 VCC2
16 15 14 13
1
2
3
4
56 7
12
11
10
9
8
STBY
BYPASS R
IN+ R
IN- R
GND1 GND2 VO+R VO-R
Applications
■ Cellular mobile phones
■ Notebook computers & PDAs
Order Codes
Part Number
TS4984IQT
Temperature Range
-40, +85°C
■ LCD monitors & TVs
■ Portable audio devices
Package
QFN
Packaging
Tape & Reel
Marking
K984
January 2005
Revision 1
1/29