TS4900
300mW at 3.3V SUPPLY AUDIO POWER AMPLIFIER
WITH STANDBY MODE ACTIVE HIGH
NOT FOR NEW DESIGN
■ OPERATING FROM VCC = 2.5V to 5.5V
PIN CONNECTIONS (top view)
■ 0.7W OUTPUT POWER @ Vcc=5V, THD=1%,
f=1kHz, with an 8 Ω load
■ 0.3W OUTPUT POWER @ Vcc=3.3V,
TS4900IST - MiniSO8
THD=1%, f=1kHz, with an 8 Ω load
■ ULTRA LOW CONSUMPTION IN STANDBY
t(s) MODE (10nA)
■ 75dB PSRR @ 217Hz from 5V to 2.6V
c ■ ULTRA LOW POP & CLICK
u ■ ULTRA LOW DISTORTION (0.1%)
rod ■ UNITY GAIN STABLE
P t(s) ■ AVAILABLE IN MiniSO8 & SO8
te c DESCRIPTION
le u The TS4900 is an audio power amplifier designed
so rod to provide the best price to power ratio while pre-
serving high audio quality.
- Ob te P Available in MiniSO8 & SO8 package, it is capable
) le of delivering up to 0.7W of continuous RMS ouput
t(s o power into an 8Ω load @ 5V.
c bs TS4900 is also exhibiting an outstanding 0.1%
u O distortion level (THD) from a 5V supply for a Pout
rod - of 200mW RMS.
P t(s) An externally controlled standby mode control re-
te c duces the supply current to less than 10nA. It also
le u includes an internal thermal shutdown protection.
so rod The unity-gain stable amplifier can be configured
b P by external gain setting resistors.
O lete APPLICATIONS
so ■ Mobile Phones (Cellular / Cordless)
b■ PDAs
O■ Portable Audio Devices
Standby
1
Bypass
2
VIN+
3
VIN-
4
8
VOUT2
7
GND
6
VCC
5
VOUT1
TS4900ID-TS4900IDT - SO8
Standby
1
Bypass
2
VIN+
3
VIN-
4
8
VOUT2
7
GND
6
VCC
5
VOUT1
TYPICAL APPLICATION SCHEMATIC
ORDER CODE
Part Number
TS4900IS
TS4900ID
Temperature
Range
-40, +85°C
Package
SD
•
•
S = MiniSO Package (MiniSO) only available in Tape & Reel (ST)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
March 2005
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