TS4962IQT STMicroelectronics, TS4962IQT Datasheet - Page 35
TS4962IQT
Manufacturer Part Number
TS4962IQT
Description
IC AMP AUDIO PWR 2.8W MONO 8DFN
Manufacturer
STMicroelectronics
Type
Class Dr
Datasheet
1.TS4962IQT.pdf
(44 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TS4962IQT
Manufacturer:
TOSHIBA
Quantity:
7 600
Part Number:
TS4962IQT
Manufacturer:
ST
Quantity:
20 000
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
35/44