Datasheet

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FUNCTIONAL BLOCK DIAGRAM
Input
Buffer
SC
300KΩ
TPA2032D1
TPA2033D1
TPA2034D1
SLOS476 – JUNE 2006
OPERATING CHARACTERISTICS (continued)
T
A
= 25 ° C, R
L
= 8 Ω (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
No weighting 35
V
DD
= 3.6 V, f = 20 Hz to 20 kHz,
V
n
Output voltage noise µ V
RMS
Inputs AC grounded with C
i
= 1 µ F
A weighting 27
V
DD
= 3.6 V, V
IC
= 1.0 V
pp
, V
Cm
= 1.8
CMRR Common mode rejection ratio f = 217 Hz –69 dB
V
A
V
= 2 V/V 30.2
R
I
Input impedance A
V
= 3 V/V 22.8 k Ω
A
V
= 4 V/V 18.5
Start-up time from shutdown V
DD
= 3.6 V 3.2 ms
Terminal Functions
TERMINAL
I/O DESCRIPTION
NAME YZF
IN– C1 I Negative differential audio input
IN+ A1 I Positive differential audio input
V
O-
A3 O Negative BTL audio output
V
O+
C3 O Positive BTL audio output
Analog ground terminal. Must be connected to same potential as PGND using a direct connection
GND A2 I
to a single point ground.
High-current Analog ground terminal. Must be connected to same potential as GND using a direct
PGND B3
connection to a single point ground.
V
DD
B1 I Power supply terminal. Must be connected to same power supply as PV
DD
using a direct
connection. Voltage must be within values listed in Recommended Operating Conditions table.
High-current Power supply terminal. Must be connected to same power supply as V
DD
using a
PV
DD
B2 I direct connection. Voltage must be within values listed in Recommended Operating Conditions
table.
SHUTDOWN C2 I Shutdown terminal. When terminal is low the device is put into Shutdown mode.
4
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