TS421IST STMicroelectronics, TS421IST Datasheet - Page 12

• 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. 19: Current Consumption vs Standby
Voltage
Fig. 21: Output Power vs Power Supply
Voltage
Fig. 23: Output Power vs Power Supply
Voltage
12/32
500
450
400
350
300
250
200
150
100
200
150
100
2.0
1.5
1.0
0.5
0.0
50
50
0
0
2.0
2.0
0
RL = 16
F = 1kHz
BW < 125kHz
Tamb = 25 C
RL = 64
F = 1kHz
BW < 125kHz
Tamb = 25 C
2.5
2.5
3.0
3.0
THD+N=10%
THD+N=10%
Standby Voltage (V)
3.5
3.5
Ta=85 C
Vcc (V)
Vcc (V)
1
Ta=25 C
THD+N=1%
THD+N=1%
4.0
4.0
Ta=-40 C
THD+N=0.1%
THD+N=0.1%
4.5
4.5
TS421
Vcc = 2V
No load
5.0
5.0
5.5
5.5
2
Fig. 20: Output Power vs Power Supply
Voltage
Fig. 22: Output Power vs Power Supply
Voltage
Fig. 24: Output Power vs Load Resistor
550
500
450
400
350
300
250
200
150
100
300
250
200
150
100
50
50
500
450
400
350
300
250
200
150
100
0
0
50
2.0
2.0
0
8
RL = 8
F = 1kHz
BW < 125kHz
Tamb = 25 C
RL = 32
F = 1kHz
BW < 125kHz
Tamb = 25 C
2.5
2.5
16
THD+N=0.1%
3.0
3.0
24
THD+N=10%
THD+N=10%
THD+N=10%
Load Resistance ( )
3.5
3.5
32
Vcc (V)
Vcc (V)
THD+N=1%
THD+N=1%
THD+N=1%
4.0
4.0
40
THD+N=0.1%
THD+N=0.1%
4.5
4.5
48
Vcc = 5V
F = 1kHz
BW < 125kHz
Tamb = 25 C
5.0
5.0
56
5.5
5.5
64