TS4890IQT STMicroelectronics, TS4890IQT Datasheet - Page 9

• Manufacturer Part Number: TS4890IQT
• Description: IC AMP AUDIO PWR 1W MONO AB 8DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4890IQT

• 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
• For Use With: 497-6363 - BOARD DEMO FOR TS489
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Fig. 19 : Pout @ THD + N = 10% vs Supply
Voltage vs RL
Fig. 21 : Power Dissipation vs Pout
Fig. 23 : Power Dissipation vs Pout
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
2.5
0.0
0.0
Vcc=3.3V
F=1kHz
THD+N<1%
Vcc=2.6V
F=1kHz
THD+N<1%
Gv = 2 & 10
Cb = 1 F
F = 1kHz
BW < 125kHz
Tamb = 25 C
3.0
RL=16
0.2
RL=16
0.1
Output Power (W)
Output Power (W)
3.5
4
Vcc (V)
0.4
6
4.0
RL=8
0.2
8
0.6
RL=8
4.5
RL=4
16
32
RL=4
0.3
5.0
0.8
Fig. 20 : Power Dissipation vs Pout
Fig. 22 : Power Dissipation vs Pout
Fig. 24 : Power Derating Curves
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
0
0.0
Vcc=5V
F=1kHz
THD+N<1%
Vcc=2.6V
F=1kHz
THD+N<1%
0.2
25
MiniSO8
0.1
Ambiant Temperature (°C)
RL=16
0.4
50
Output Power (W)
Output Power (W)
SO8
0.6
QFN8
75
RL=16
0.2
RL=8
0.8
100
1.0
0.3
RL=4
RL=8
125
RL=4
1.2
TS4890
150
1.4
0.4
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