TS421IST STMicroelectronics, TS421IST Datasheet - Page 14

• Manufacturer Part Number: TS421IST
• Description: IC AMP AUDIO PWR .367W AB 8MSOP
• Manufacturer: STMicroelectronics
• Type: Class ABr

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