LM48556_14 Datasheet, PDF (2/23 Pages) Texas Instruments – Fully Differential, Mono, Ceramic Speaker Driver

LM48556
SNAS452A – JUNE 2008 – REVISED DECEMBER 2008
TYPICAL APPLICATION
R _F-
200 k:
www.ti.com
C_IN+ R_IN+
0.47 P F 20 k:
V_DD
C_S1
4.7 PF
C _F-
R _{F+ 82 pF}
200 k:
C _F+
82 pF
C_S2
0.1 PF
PV_DD
SVDD
IN+
OUT-
IN-
C_IN- ^R_IN-
0.47 PF 20 k:
SD
SHUTDOWN
Shutdown
Control
PGND
OUT+
Charge
Pump
CPV_SS
SV_SS
C1P
C1N
R_O
15:
C_L
1 PF
C₁
4.7 PF
Ceramic
Speaker
Load
C _SS
10 PF
Figure 1. Typical Audio Amplifier Application Circuit
Connection Diagram
A
B
C
D
3
IN+
IN-
SD
PV_DD
2
SV_DD
OUT+
C1P
PGND
1
OUT-
SV_SS
CPV_SS
C1N
Figure 2. 12 Bump DSBGA - Top View
See Package Number YZR00121AA
2
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