TS482IQT STMicroelectronics, TS482IQT Datasheet - Page 17

• 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 49. THD + N vs. output power
Figure 51. THD + N vs. frequency
Figure 53. THD + N vs. frequency
1E-3
0.01
0.01
0.01
0.1
0.1
0.1
10
1
0.01
20
20
RL=600
Av=-1
Bw < 125kHz
Tamb=25 C
RL = 5k
F = 20kHz
Av = -1
BW < 125kHz
Tamb = 25 C
Vcc=2V, Vo=0.55Vrms
Vcc=5V, Po=90mW
Vcc=2.6V, Vo=0.75Vrms
Vcc=3.3V, Po=35mW
Vcc=2.6V, Po=18mW
100
100
Vcc=3.3V, Vo=1Vrms
Vcc=2V, Po=8mW
Output Voltage (Vrms)
Vcc=5V, Vo=1.4Vrms
Frequency (Hz)
Frequency (Hz)
0.1
Vcc=2.6V
Vcc=3.3V
Vcc=2V
Vcc=5V
1000
1000
RL=16
Av=-1
Bw < 125kHz
Tamb=25 C
1
10000
10000
20k
20k
Figure 50. THD + N vs. frequency
Figure 52. THD + N vs. frequency
Figure 54. THD + N vs. frequency
1E-3
0.01
0.01
0.01
0.1
0.1
0.1
20
20
20
RL=5k
Av=-1
Bw < 125kHz
Tamb=25 C
Vcc=2V, Vo=0.55Vrms
Vcc=5V, Po=60mW
Vcc=2.6V, Vo=0.75Vrms
Vcc=2V, Po=10mW
Vcc=2.6V, Po=20mW
Vcc=3.3V, Po=40mW
Vcc=5V, Po=100mW
Vcc=3.3V, Po=16mW
Vcc=2.6V, Po=12mW
100
100
100
Vcc=2V, Po=6.5mW
Vcc=3.3V, Vo=1Vrms
Vcc=5V, Vo=1.4Vrms
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
1000
1000
1000
RL=32
Av=-1
Bw < 125kHz
Tamb=25 C
RL=8
Av=-1
Bw < 125kHz
Tamb=25 C
10000
10000
10000
TS482
20k
20k
20k