TS482IQT STMicroelectronics, TS482IQT Datasheet - Page 14

• 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
14/26
Figure 31. Power dissipation vs. output power Figure 32. Power derating vs. ambient
Figure 33. Current consumption vs. power
Figure 35. THD + N vs. output power
0.01
0.1
10
6
5
4
3
2
1
0
25
20
15
10
1
5
0
0
1
0
No load
Ta=85 C
RL = 8
F = 20Hz
Av = -1
BW < 125kHz
Tamb = 25 C
Vcc=2V
F=1kHz
THD+N<1%
Ta=25 C
supply voltage
2
1
Vcc=3.3V
Vcc=2.6V
Power Supply Voltage (V)
4
Vcc=2V
Output Power (mW)
2
Output Power (mW)
6
10
RL=32
8
3
10
Ta=-40 C
Vcc=5V
4
RL=8
RL=16
12
100
14
5
Figure 34. Power supply rejection ratio vs.
Figure 36. THD + N vs. output power
100
1E-3
0.01
80
60
40
20
0.1
10
0
20
1
1
Vcc=5V
RL = 16
F = 20Hz
Av = -1
BW < 125kHz
Tamb = 25 C
Vripple=100mVpp
Vpin3,5=Vcc/2 (forced bias)
RL >= 8
0db=70mVrms
Tamb=25 C
Vcc=3.3V
temperature
frequency
100
Vcc=2.6V
Vcc=2V
Frequency (Hz)
Output Power (mW)
1000
Vcc=3.3V
Vcc=2.6V & 2V
10
10000
Vcc=5V
100000
100
TS482