TS4909IQT STMicroelectronics, TS4909IQT Datasheet - Page 19

• 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 62. Power supply rejection ratio vs.
Figure 64. Power supply rejection ratio vs.
Figure 66. Power supply rejection ratio vs.
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
0
0
0
20
20
20
Phantom Ground, Inputs grounded
Av=-1, RL
Phantom Ground, Inputs grounded
Vcc=3V, RL
Phantom Ground, Inputs grounded
Av=-1, RL
frequency
frequency
frequency
Vcc=2.6V
Vcc=3V
100
100
100
≥
≥
Cb=1
16
16
≥
16
Ω
Ω
Cb=470nF
, Cb=1
, Vcc=3V, T
Ω
μ
, Cb=1
F
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Av=-1
Cb=220nF
μ
F, T
μ
F, T
AMB
AMB
Cb=100nF
AMB
1k
1k
1k
=25°C
=25°C
Vcc=5V
Av=-2
=25°C
Av=-4
10k
10k
10k
20k
20k
20k
Figure 63. Power supply rejection ratio vs.
Figure 65. Power supply rejection ratio vs.
Figure 67. Power supply rejection ratio vs.
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
0
0
0
20
20
20
Single Ended, Inputs grounded
Av=-1, RL
Single Ended, Inputs grounded
Vcc=3V, RL
Single Ended, Inputs grounded
Av=-1, RL
frequency
frequency
frequency
Vcc=2.6V
Vcc=3V
100
100
100
≥
≥
Cb=1
16
16
≥
16
Ω
Ω
Cb=470nF
, Cb=1
, Vcc=3V, T
Ω
μ
F
, Cb=1
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Cb=220nF
Av=-1
μ
Electrical characteristics
F, T
μ
F, T
AMB
AMB
Cb=100nF
AMB
1k
1k
1k
=25°C
=25°C
Av=-2
=25°C
Vcc=5V
Av=-4
10k
10k
10k
19/32
20k
20k
20k