鈩?/div>
BTL, 50 Hz < Frequency < 20 kHz
32-step digital volume control from -
34.5 dB to +12 dB
+6 dB power up volume and full standby
8 different output modes
Pop & click reduction circuitry
Low shutdown current (< 100 nA)
Thermal shutdown protection
Flip-chip package 18 x 300 碌m bumps
PIN CONNECTIONS
(top view)
TS485IJT - Flip Chip
DESCRIPTION
The TS4851 is a low power audio amplifier that
can drive either both a mono speaker or a stereo
headset. To the speaker, it can deliver 400 mW
(typ.) of continuous RMS output power into an 8
鈩?/div>
load with a 1% THD+N value. To the headset
driver, the amplifier can deliver 30 mW (typ.) per
channel of continuous average power into a
stereo 32
鈩?/div>
bridged-tied load with 0.5% THD+N
@ 3.3 V.
This device features a 32-step digital volume
control and 8 different output selections. The
digital volume and output modes are controlled
through a three-digit SPI interface bus.
R
OUT<
-
R
OUT +
R
IN
L
IN
PHONE
IN
SPKR
OUT+
BYPASS
GND
VCC
SPKR
OUT -
CLK
VCC
Pin Out (top view)
GND
L
OUT +
L
OUT -
DATA
APPLICATIONS
s
Mobile Phones
ORDER CODE
Package
Part Number
TS4851IJT
Temperature Range
J
-40, +85擄C
鈥?/div>
NC
ENB
J =
Flip Chip Package - only available in Tape & Reel (JT))
April 2003
Revision B
1/26
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