TS487IQT STMicroelectronics, TS487IQT Datasheet - Page 20

IC AMP AUDIO PWR .108W STER 8DFN

TS487IQT

Manufacturer Part Number
TS487IQT
Description
IC AMP AUDIO PWR .108W STER 8DFN
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet

Specifications of TS487IQT

Output Type
Headphones, 2-Channel (Stereo)
Max Output Power X Channels @ Load
108mW x 2 @ 16 Ohm
Voltage - Supply
2 V ~ 5.5 V
Features
Depop, Short-Circuit Protection, Standby
Mounting Type
Surface Mount
Package / Case
8-DFN
Operational Class
Class-AB
Audio Amplifier Output Configuration
2-Channel Stereo
Output Power (typ)
0.108x2@16OhmW
Audio Amplifier Function
Headphone
Input Offset Voltage
1(Typ)@5VmV
Input Bias Current
200nA
Total Harmonic Distortion
0.3@16Ohm@90mW%
Single Supply Voltage (typ)
3/5V
Dual Supply Voltage (typ)
Not RequiredV
Supply Current (max)
2.5@5VmA
Power Supply Requirement
Single
Power Dissipation
1.79W
Unity Gain Bandwidth Product (typ)
1.1MHz
Rail/rail I/o Type
No
Power Supply Rejection Ratio
58dB
Single Supply Voltage (min)
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
8
Package Type
DFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TS487IQT
Manufacturer:
ST
0
TS486-TS487
Fig. 63: THD + N vs Output Power
Fig. 65: THD + N vs Output Power
Fig. 67: THD + N vs Frequency
20/31
0.01
1E-3
0.01
0.1
0.1
10
0.1
10
1
1
0.01
20
1
RL=32
Av=-2
Cb = 1 F
Bw < 125kHz
Tamb=25 C
RL = 16
F = 20kHz
Av = -2
Cb = 1 F
BW < 125kHz
Tamb = 25 C
RL = 600 , F = 20kHz
Av = -2, Cb = 1 F
BW < 125kHz, Tamb = 25 C
Vcc=5V, Po=55mW
100
Vcc=2.5V
Vcc=2V
Output Voltage (Vrms)
Vcc=2V, Po=6mW
Frequency (Hz)
Output Power (mW)
0.1
Vcc=3.3V
10
Vcc=2.5V
1000
Vcc=2V
Vcc=3.3V
Vcc=5V
Vcc=5V
1
10000
100
20k
Fig. 64: THD + N vs Output Power
Fig. 66: THD + N vs Frequency
Fig. 68: THD + N vs Frequency
0.01
1E-3
0.01
0.1
10
0.1
0.1
1
1
20
20
RL = 32
F = 20kHz
Av = -2
Cb = 1 F
BW < 125kHz
Tamb = 25 C
RL=16
Av=-2
Cb = 1 F
Bw < 125kHz
Tamb = 25 C
RL=600
Av=-2
Cb = 1 F
Bw < 125kHz
Tamb = 25 C
Vcc=2V, Vo=0.5Vrms
Vcc=5V, Po=85mW
Vcc=2.5V
100
100
Vcc=2V
Output Power (mW)
Frequency (Hz)
Frequency (Hz)
Vcc=5V, Vo=1.3Vrms
Vcc=3.3V
Vcc=2V, Po=7.5mW
10
1000
1000
Vcc=5V
10000
10000
100
20k
20k

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