TS4961TIQT STMicroelectronics, TS4961TIQT Datasheet - Page 39

• Manufacturer Part Number: TS4961TIQT
• Description: IC AMP AUDIO PWR 1.95W D 16QFN
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of TS4961TIQT

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.95W x 1 @ 4 Ohm
• Voltage - Supply: 2.4 V ~ 4.3 V
• Features: Depop, Differential Inputs, Standby
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• For Use With: 497-8932 - BOARD EVAL FOR TS4961T
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8388-2

TS4961T
Figure 77. Typical application schematics with multiple single-ended inputs
We have the following equations.
In general, for mixed situations (single-ended and differential inputs), the same rule must be
used, that is, to equalize impedance on both TS4961T inputs.
GND
GND
Vek
Ve1
Standby
GND
Ceq
Cin1
Cink
Out
Rink
Rin1
Req
+
TS4961T (Audio Amplifier Part)
–
Out
15
C eq
12
16
C
R
inj
eq
Stdby
In-
In+
-
=
=
=
=
300k
+
-
V e1
------------------------------------------------------ -
2
150k
150k
j 1
------------------ -
Σ
j 1
=
k
×
∑
Oscillator
k
Internal
=
Bias
π
1
×
--------- -
C inj
R
×
1
------------ -
R in1
300
inj
R
1
PWM
inj
Application component information
+
×
… V ek
F
+
CLj
Output
Bridge
VCCA
GNDA
GND
H
7
6
×
Out+
Out-
------------ -
R ink
(F)
300
5
8
GND
Vcc
SPEAKER
(V)
Csa
1uF
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