TS421IST STMicroelectronics, TS421IST Datasheet - Page 14
TS421IST
Manufacturer Part Number
TS421IST
Description
IC AMP AUDIO PWR .367W AB 8MSOP
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS419IDT.pdf
(32 pages)
Specifications of TS421IST
Output Type
1-Channel (Mono)
Max Output Power X Channels @ Load
367mW x 1 @ 16 Ohm
Voltage - Supply
2 V ~ 5.5 V
Features
Differential Inputs, Short-Circuit Protection, Standby
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-4449-2
TS419-TS421
Fig. 31: Power Dissipation vs Output Power
Fig. 33: Output Voltage Swing For One Amp. vs
Power Supply Voltage
14/32
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
100
80
60
40
20
2.0
0
0
Tamb=25 C
Amps. in BTL
Vcc=2V
F=1kHz
THD+N<1%
2.5
5
Power Supply Voltage (V)
10
3.0
RL=32
Output Power (mW)
15
3.5
RL=32
20
RL=16
4.0
25
RL=16
4.5
RL=8
RL=8
30
5.0
35
Fig. 32: Power Derating Curves
Fig. 34: Low Frequency Cut Off vs Input
Capacitor for fixed gain versions