TS4871IQT STMicroelectronics, TS4871IQT Datasheet - Page 16

• 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. 63 : THD + N vs Frequency
Fig. 65 : THD + N vs Frequency
Fig. 67 : THD + N vs Frequency
16/28
0.01
0.01
0.01
0.1
0.1
0.1
1
1
1
20
20
20
Pout = 310mW
Pout = 620mW
Pout = 270mW
Pout = 135mW
Pout = 160mW
Pout = 80mW
100
100
100
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
1000
1000
1000
RL = 16 , Vcc = 3.3V
Gv = 2, Cb = 1µF
BW < 125kHz
Tamb = 25°C
RL = 16 , Vcc = 2.6V
Gv = 2, Cb = 1µF
BW < 125kHz
Tamb = 25°C
RL = 16 , Vcc = 5V
Gv = 2, Cb = 1µF
BW < 125kHz
Tamb = 25°C
10000
10000
10000
Fig. 64 : THD + N vs Frequency
Fig. 66 : THD + N vs Frequency
Fig. 68 : THD + N vs Frequency
0.01
0.01
0.1
0.1
0.1
1
1
1
20
20
20
RL = 16 , Vcc = 3.3V
Gv = 10
Cb = 1µF
BW < 125kHz
Tamb = 25°C
RL = 16 , Vcc = 5V
Gv = 10, Cb = 1µF
BW < 125kHz
Tamb = 25°C
RL = 16 , Vcc = 2.6V
Gv = 10, Cb = 1µF
BW < 125kHz
Tamb = 25°C
100
100
100
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Pout = 135mW
Pout = 270mW
1000
Pout = 310mW
Pout = 620mW
1000
1000
Pout = 160mW
Pout = 80mW
10000
10000
10000