TS4909IQT STMicroelectronics, TS4909IQT Datasheet - Page 15

• 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 38. Output power vs. load resistance
Figure 40. Output power vs. load resistance
Figure 42. Power dissipation vs. output power Figure 43. Power dissipation vs. output power
200
150
100
80
60
40
20
80
70
60
50
40
30
20
10
50
0
0
16
0
16
0
Phantom Ground
Vcc=2.6V, F=1kHz
THD+N<1%
5
32
32
10
THD+N=10%
THD+N=10%
Load Resistance (
Load Resistance (
15
48
Output Power (mW)
48
RL=32
THD+N=1%
20
THD+N=1%
Ω
64
64
25
Ω
Phantom Ground
Vcc=3V, F=1kHz
Av=-1, T
BW=20Hz-120kHz
Ω
Phantom Ground
Vcc=5V, F=1kHz
Av=-1, T
BW=20Hz-120kHz
)
)
RL=16
30
80
80
AMB
AMB
Ω
=25°C
35
=25°C
40
96
96
Figure 39. Output power vs. load resistance
Figure 41. Output power vs. load resistance
200
150
100
80
60
40
20
30
25
20
15
10
50
0
5
0
16
0
16
0
Single Ended
Vcc=2.6V, F=1kHz
THD+N<1%
5
32
32
10
THD+N=10%
THD+N=10%
Load Resistance (
Load Resistance (
15
48
Output Power (mW)
48
Electrical characteristics
THD+N=1%
20
THD+N=1%
RL=32
64
64
25
Ω
Ω
Single Ended
Vcc=3V, F=1kHz
Av=-1, T
BW=20Hz-120kHz
Ω
Single Ended
Vcc=5V, F=1kHz
Av=-1, T
BW=20Hz-120kHz
)
)
30
RL=16
80
80
AMB
AMB
Ω
=25°C
35
=25°C
15/32
40
96
96