TS4871IQT STMicroelectronics, TS4871IQT Datasheet - Page 18

• Manufacturer Part Number: TS4871IQT
• Description: IC AMP AUDIO PWR 1W MONO AB 8DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4871IQT

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1W x 1 @ 8 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: Depop, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.15@8Ohm@250mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Supply Current (max): 8@5VmA
• Power Supply Requirement: Single
• Unity Gain Bandwidth Product (typ): 2MHz
• Rail/rail I/o Type: Rail to Rail Output
• Power Supply Rejection Ratio: 75dB
• Single Supply Voltage (min): 2.5V
• 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: 497-8113-2; TS4871IQT

TS4871
Fig. 75 : Current Consumption vs Standby
Voltage @ Vcc = 2.6V
Fig. 77 : Clipping Voltage vs Power Supply
Voltage and Load Resistor
Fig. 79 : Vout1+Vout2 Unweighted Noise Floor
18/28
120
100
80
60
40
20
0
6
5
4
3
2
1
0
20
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
2.5
Vcc = 2.5V to 5V, Tamb = 25 C
Cb = Cin = 1 F
Input Grounded
BW = 20Hz to 20kHz (Unweighted)
Tamb = 25 C
Standby mode
0.5
100
3.0
Power supply Voltage (V)
1.0
Frequency (Hz)
Vstandby (V)
3.5
RL = 8
1000
1.5
4.0
RL = 16
2.0
Vcc = 2.6V
Tamb = 25°C
RL = 4
4.5
Av = 2
Av = 10
10000
2.5
5.0
Fig. 76 : Current Consumption vs Standby
Voltage @ Vcc = 3.3V
Fig. 78 : Clipping Voltage vs Power Supply
Voltage and Load Resistor
Fig. 80 : Vout1+Vout2 A-weighted Noise Floor
120
100
80
60
40
20
0
6
5
4
3
2
1
0
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
20
2.5
Vcc = 2.5V to 5V, Tamb = 25 C
Cb = Cin = 1 F
Input Grounded
BW = 20Hz to 20kHz (A-Weighted)
Tamb = 25 C
0.5
Standby mode
100
3.0
1.0
Power supply Voltage (V)
Frequency (Hz)
Vstandby (V)
3.5
1.5
RL = 8
1000
2.0
4.0
RL = 16
2.5
Vcc = 3.3V
Tamb = 25°C
RL = 4
Av = 10
Av = 2
4.5
10000
3.0
5.0