TS4909IQT STMicroelectronics, TS4909IQT Datasheet - Page 17

• 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
Figure 50. Crosstalk vs. frequency
Figure 52. Crosstalk vs. frequency
Figure 54. Signal to noise ratio vs. power
-100
-120
-20
-40
-60
-80
-100
-120
104
102
100
-20
-40
-60
-80
98
96
94
92
0
0
20
20
2
Single Ended
Vcc=5V, RL=16
Av=-4, Po=90mW
T
Unweighted Filter (20Hz-20kHz)
Phantom ground
Vcc=5V, Av=-1,
T
AMB
Phantom Ground
Av=-1, T
Cb=1
THD+N<0.4%
AMB
=25°C
=25°C
supply voltage
μ
F
AMB
100
100
=25°C
3
Power Supply Voltage (V)
OUT1 to OUT2
Ω
Frequency (Hz)
Frequency (Hz)
RL=16
RL=32
4
RL=32
Ω
1k
1k
Ω
, Po=90mW
Ω
, Po=60mW
OUT2 to OUT1
RL=16
5
Ω
10k
10k
20k
20k
6
Figure 51. Crosstalk vs. frequency
Figure 53. Crosstalk vs. frequency
Figure 55. Signal to noise ratio vs. power
-100
-120
-100
-120
-20
-40
-60
-80
106
104
102
100
-20
-40
-60
-80
98
96
94
0
0
20
20
2
Single Ended
Vcc=5V, RL=32
Av=-4, Po=60mW
T
Unweighted Filter (20Hz-20kHz)
Phantom ground
Vcc=5V, Av=-4,
T
Single Ended
Av=-1, T
Cb=1
THD+N<0.4%
AMB
AMB
=25°C
=25°C
supply voltage
μ
OUT2 to OUT1
F
AMB
100
100
=25°C
3
Power Supply Voltage (V)
Ω
Frequency (Hz)
Frequency (Hz)
Electrical characteristics
RL=16
4
RL=32
RL=32
1k
1k
Ω
, Po=90mW
Ω
Ω
, Po=60mW
OUT1 to OUT2
5
RL=16
10k
Ω
10k
17/32
20k
20k
6