TS421IST STMicroelectronics, TS421IST Datasheet - Page 13

• 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

Fig. 25: Output Power vs Load Resistor
Fig. 27: Output Power vs Load Resistor
Fig. 29: Power Dissipation vs Output Power
300
250
200
150
100
50
45
40
35
30
25
20
15
10
200
150
100
50
5
0
50
0
0
8
0
8
Vcc=3.3V
F=1kHz
THD+N<1%
16
16
THD+N=0.1%
THD+N=0.1%
30
24
THD+N=10%
24
Load Resistance ( )
THD+N=10%
60
Load Resistance ( )
Output Power (mW)
RL=32
32
32
THD+N=1%
THD+N=1%
90
40
40
120
48
48
RL=16
Vcc = 2V
F = 1kHz
BW < 125kHz
Tamb = 25 C
Vcc = 3.3V
F = 1kHz
BW < 125kHz
Tamb = 25 C
RL=8
150
56
56
64
64
Fig. 26: Output Power vs Load Resistor
Fig. 28: Power Dissipation vs Output Power
Fig. 30: Power Dissipation vs Output Power
600
500
400
300
200
100
140
120
100
100
80
60
40
20
0
90
80
70
60
50
40
30
20
10
0
0
0
0
Vcc=5V
F=1kHz
THD+N<1%
8
Vcc=2.5V
F=1kHz
THD+N<1%
50
10
16
THD+N=0.1%
100
THD+N=1%
24
20
Load Resistance ( )
RL=32
Output Power (mW)
Output Power (mW)
150
32
30
THD+N=10%
200
RL=32
40
RL=8
40
RL=16
250
TS419-TS421
48
50
RL=16
Vcc = 2.5V
F = 1kHz
BW < 125kHz
Tamb = 25 C
300
RL=8
56
60
350
13/32
64