TDA8559_3
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheets
Rev. 03 — 15 May 2006
3 of 36
Philips Semiconductors
TDA8559T
Low-voltage stereo headphone amplifier
6.
Block diagram
Fig 1.
Block diagram
+
−
+
−
+
−
+
−
OA
INPUT
LOGIC
V/I
REFERENCE
V/I
1
STANDBY
+
IN1
−
IN1
+
IN2
−
IN2
MUTE
MODE
SVRR
n.c.
GND
2
3
5
6
4
12
BUFFER
OUT2
OUT1
mgd115
11
14
16
15
13
9,10
7
8
V
P
V
P
V
P1
V
P2
BUFFER
OA
50 k
Ω
100 k
Ω
100
k
Ω
50 k
Ω
50 k
Ω
50 k
Ω
50
k
Ω
50
k
Ω
TDA8559T
DQC