TS4909IQT STMicroelectronics, TS4909IQT Datasheet - Page 18

• 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

Electrical characteristics
18/32
Figure 56. Signal to noise ratio vs. power
Figure 58. Signal to noise ratio vs. power
Figure 60. Signal to noise ratio vs. power
108
106
104
102
100
100
98
96
94
92
90
88
86
84
98
96
98
96
94
92
90
88
2
2
2
Unweighted Filter (20Hz-20kHz)
Phantom Ground
A-weighted Filter
Av=-1, T
Cb=1
THD+N<0.4%
Phantom Ground
Av=-4, T
Cb=1
THD+N<0.4%
Phantom Ground
A-weighted Filter
Av=-4, T
Cb=1
THD+N<0.4%
supply voltage
supply voltage
supply voltage
μ
μ
μ
F
F
F
AMB
AMB
AMB
3
=25°C
=25°C
=25°C
3
3
Power Supply Voltage (V)
Power Supply Voltage (V)
Power Supply Voltage (V)
RL=32
4
RL=32
4
4
RL=32
Ω
Ω
Ω
RL=16
5
RL=16
5
5
RL=16
Ω
Ω
Ω
6
6
6
Figure 57. Signal to noise ratio vs. power
Figure 59. Signal to noise ratio vs. power
Figure 61. Signal to noise ratio vs. power
108
106
104
102
100
100
96
94
92
90
88
86
98
96
98
96
94
92
90
88
2
2
2
Unweighted Filter (20Hz-20kHz)
Single Ended
A-weighted Filter
Av=-1, T
Cb=1
THD+N<0.4%
Phantom Ground
Av=-4, T
Cb=1
THD+N<0.4%
Phantom Ground
A-weighted Filter
Av=-4, T
Cb=1
THD+N<0.4%
supply voltage
supply voltage
supply voltage
μ
μ
μ
F
F
F
AMB
AMB
AMB
=25°C
3
=25°C
=25°C
3
3
Power Supply Voltage (V)
Power Supply Voltage (V)
Power Supply Voltage (V)
RL=32
RL=32
4
4
4
RL=32
Ω
Ω
Ω
RL=16
RL=16
5
5
5
RL=16
Ω
Ω
Ω
TS4909
6
6
6