Philips TDA8559T - Manual (Page 3)

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