TS482IQT STMicroelectronics, TS482IQT Datasheet - Page 18

• Manufacturer Part Number: TS482IQT
• Description: IC AMP AUDIO PWR .107W STER 8DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS482IQT

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 107mW x 2 @ 16 Ohm
• Voltage - Supply: 2 V ~ 5.5 V
• Features: Depop
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 0.107x2@16OhmW
• Audio Amplifier Function: Headphone
• Input Offset Voltage: 5@5VmV
• Input Bias Current: 500nA
• Total Harmonic Distortion: 0.03@16Ohm@90mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Supply Current (max): 7.2@5VmA
• Power Supply Requirement: Single
• Power Dissipation: 1.79W
• Unity Gain Bandwidth Product (typ): 2.2MHz
• Rail/rail I/o Type: Rail to Rail Input/Output
• Power Supply Rejection Ratio: 85dB
• Single Supply Voltage (min): 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: 8
• Package Type: DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2288-2

Electrical Characteristics
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Figure 55. Signal to noise ratio vs. power
Figure 57. Signal to noise ratio vs. power
Figure 59. Equivalent input noise voltage vs.
110
108
106
104
102
100
120
115
110
105
100
98
96
94
92
90
95
90
25
20
15
10
2.0
5
0.02
2.0
Av = -1
THD+N < 0.2%
Tamb = 25 C
Av = -1
THD+N < 0.2%
Tamb = 25 C
RL=32
supply with unweighted filter (20Hz
to 20kHz)
supply with A weighted filter
frequency
2.5
2.5
RL=32
0.1
RL=16
3.0
3.0
RL=16
Power Supply (V)
Frequency (kHz)
Power Supply (V)
3.5
3.5
1
4.0
4.0
RL=8
RL=8
Vcc=5V
Rs=100
Tamb=25 C
4.5
4.5
10
5.0
5.0
Figure 56. Signal to noise ratio vs. power
Figure 58. Signal to noise ratio vs. power
Figure 60. Output voltage swing vs. power
110
108
106
104
102
100
120
115
110
105
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
98
96
94
92
90
95
90
2.0
2.0
2.0
Tamb=25 C
Av = -1
THD+N < 0.2%
Tamb = 25 C
Av = -1
THD+N < 0.2%
Tamb = 25 C
supply with unweighted filter (20Hz
to 20kHz)
supply with A weighted filter
supply
2.5
2.5
2.5
RL=8
RL=5k
Power Supply Voltage (V)
RL=5k
3.0
3.0
3.0
Power Supply (V)
Power Supply (V)
3.5
3.5
3.5
RL=16
4.0
4.0
4.0
RL=600
RL=600
4.5
4.5
4.5
RL=32
TS482
5.0
5.0
5.0