TS4962IQT STMicroelectronics, TS4962IQT Datasheet - Page 35

• Manufacturer Part Number: TS4962IQT
• Description: IC AMP AUDIO PWR 2.8W MONO 8DFN
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of TS4962IQT

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 2.8W x 1 @ 4 Ohm
• Voltage - Supply: 2.4 V ~ 5.5 V
• Features: Depop, Differential Inputs, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Product: Class-D
• Output Power: 2 W
• Available Set Gain: 6 dB
• Common Mode Rejection Ratio (min): 57 dB
• Thd Plus Noise: 1 %
• Operating Supply Voltage: 3 V, 5 V
• Supply Current: 2.3 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 8 Ohms
• Input Signal Type: Differential
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential
• Supply Type: Single
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.5 V
• For Use With: 497-6265 - BOARD EVAL FOR TS4962MEIJT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5993-2

TS4962
4.11
4.11.1
In the case where the distance between the TS4962 output and the speaker terminals is
high, it is possible to observe low frequency EMI issues due to the fact that the typical
operating frequency is 250 kHz. In this configuration, we recommend using an output filter
(as represented in
device.
Several examples with summed inputs
Example 1: dual differential inputs
Figure 64. Typical application schematic with dual differential inputs
With (R
i
in kΩ):
0.5V
Figure 1 on page
≤
E2+
E1+
E1-
E2-
Standby
V
------------------------------------------------------------------------------------------------------------------------------- - V
CC
R2
R1
×
R1
R2
V
R
IC
1
300
×
Doc ID 10968 Rev 8
1
1
4
3
=
R
×
Stdby
In-
In+
E
------------------------
A
A
2
(
+
1
V
V
+
R
-
+
1
2
6). It should be placed as close as possible to the
300
150k
150k
1
2
+
=
=
Oscillator
+
Internal
E
Bias
Out
------------------------------ -
Out
------------------------------ -
R
1
×
E
E
-
2
(
1
2
)
V
and V
+
+
+
+
+
PWM
IC1
–
–
–
–
2
Out
E
Out
E
×
×
1
2
-
-
R
R
IC
-
-
Output
Bridge
1
2
2
Vcc
GND
7
=
=
GND
×
H
+
=
6
300
--------- -
300
--------- -
R
Out+
Out-
R
R
V
2
E
------------------------
IC2
1
2
2
+
5
8
×
2
+
E
GND
R
Vcc
2
1
SPEAKER
-
)
≤
Cs
1u
Application information
CC
–
0.8V
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