TS4909IQT STMicroelectronics, TS4909IQT Datasheet - Page 3

• Manufacturer Part Number: TS4909IQT
• Description: IC AMP AUDIO .158W STER AB 10DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4909IQT

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 158mW x 2 @ 16 Ohm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Features: Depop, Standby
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Audio Amplifier Function: Headphone
• Total Harmonic Distortion: 0.3@16Ohm@90mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Supply Current (max): 4.8@5VmA
• Power Supply Requirement: Single
• Power Dissipation: 1.79W
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 72dB
• Single Supply Voltage (min): 2.2V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 10
• Package Type: DFN
• For Use With: 497-6380 - BOARD DEMO FOR TS4909Q
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5992-2

TS4909
1
Typical application schematics
Figure 1.
Table 1.
Component
R
R
C
feed1,2
C
C
in1,2
in1,2
b
s
Phantom ground configuration
Single-ended configuration
Typical applications for the TS4909
Application component information
Inverting input resistor that sets the closed loop gain in conjunction with R
resistor also forms a high pass filter with C
Input coupling capacitor that blocks the DC voltage at the amplifier’s input terminal.
Feedback resistor that sets the closed loop gain in conjunction with R
A
Half supply bypass capacitor.
Supply bypass capacitor that provides power supply filtering.
V
= closed loop gain = -R
Vin1
Vin2
Vin1
Vin2
330nF
330nF
Cin2
330nF
330nF
Cin2
Cin1
Cin1
Rin1
Rin2
Rin1
Rin2
20k
20k
20k
20k
feed
1µF
1µF
Cb
Standby
Standby
Cb
/R
Functional description
in
Rfeed1
Rfeed2
Rfeed1
Rfeed2
20k
20k
20k
20k
.
BIAS
BIAS
Vcc
in
Vcc
(f
1µF
Cs
Gnd
Gnd
c
= 1 / (2 x Pi x R
1µF
Cs
Typical application schematics
SE/PHG
SE/PHG
Vout1
Vout3
Vout2
Vout1
Vout3
Vout2
in
x C
in
in
Cout1
Cout2
)).
.
feed
. This
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