TS4890IST STMicroelectronics, TS4890IST Datasheet - Page 9
TS4890IST
Manufacturer Part Number
TS4890IST
Description
IC AMP AUDIO PWR 1W MONO 8MSOP
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS4890ID.pdf
(32 pages)
Specifications of TS4890IST
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-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6776-2
TS4890IST
TS4890IST
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TS4890IST
Manufacturer:
ST
Quantity:
20 000
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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