TS4871IQT STMicroelectronics, TS4871IQT Datasheet - Page 10
TS4871IQT
Manufacturer Part Number
TS4871IQT
Description
IC AMP AUDIO PWR 1W MONO AB 8DFN
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS4871IST.pdf
(28 pages)
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
TS4871IQT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TS4871
Fig. 27 : THD + N vs Output Power
Fig. 29 : THD + N vs Output Power
Fig. 31 : THD + N vs Output Power
10/28
0.1
10
0.1
0.1
1E-3
10
1
10
1E-3
1E-3
1
1
RL = 8 , Vcc = 3.3V
Gv = 2
Cb = Cin = 1 F
BW < 125kHz
Tamb = 25 C
RL = 8
Vcc = 5V
Gv = 2
Cb = Cin = 1 F
BW < 125kHz
Tamb = 25 C
RL = 8 , Vcc = 2.6V
Gv = 2
Cb = Cin = 1 F
BW < 125kHz
Tamb = 25 C
20Hz, 1kHz
20Hz, 1kHz
20Hz, 1kHz
0.01
0.01
Output Power (W)
0.01
Output Power (W)
Output Power (W)
20kHz
20kHz
20kHz
0.1
0.1
0.1
1
1
Fig. 28 : THD + N vs Output Power
Fig. 30 : THD + N vs Output Power
Fig. 32 : THD + N vs Output Power
0.1
10
0.1
0.1
1E-3
10
1
10
1E-3
1E-3
1
1
1kHz
RL = 8 , Vcc = 3.3V
Gv = 10
Cb = Cin = 1 F
BW < 125kHz
Tamb = 25 C
1kHz
RL = 8
Vcc = 5V
Gv = 10
Cb = Cin = 1 F
BW < 125kHz
Tamb = 25 C
RL = 8 , Vcc = 2.6V
Gv = 10
Cb = Cin = 1 F
BW < 125kHz
Tamb = 25 C
20Hz
20Hz
0.01
0.01
Output Power (W)
0.01
Output Power (W)
Output Power (W)
20Hz
20kHz
20kHz
0.1
0.1
20kHz
1kHz
0.1
1
1