TS421IST STMicroelectronics, TS421IST Datasheet - Page 16

• 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. 41: THD + N vs Output Power
Fig. 43: THD + N vs Output Power
Fig. 45: THD + N vs Frequency
16/32
0.01
0.1
0.1
0.1
10
10
1
1
20
1
1
RL = 32
F = 20kHz
Av = 2
Cb = 1 F
BW < 125kHz
Tamb = 25 C
RL=16
Av=2
Cb = 1 F
Bw < 125kHz
Tamb = 25 C
RL = 8
F = 20kHz
Av = 2
Cb = 1 F
BW < 125kHz
Tamb = 25 C
Vcc=5V, Po=220mW
100
Vcc=2.5V
Vcc=2.5V
Vcc=2V
10
Vcc=2V
Vcc=2V, Po=20mW
Frequency (Hz)
Output Power (mW)
Output Power (mW)
10
Vcc=3.3V
Vcc=3.3V
1000
100
Vcc=5V
Vcc=5V
100
10000
20k
Fig. 42: THD + N vs Output Power
Fig. 44: THD + N vs Frequency
Fig. 46: THD + N vs Frequency
0.01
0.01
0.1
0.1
0.1
10
1
20
20
1
RL=32
Av=2
Cb = 1 F
Bw < 125kHz
Tamb=25 C
RL=8
Av=2
Cb = 1 F
Bw < 125kHz
Tamb = 25 C
RL = 16
F = 20kHz
Av = 2
Cb = 1 F
BW < 125kHz
Tamb = 25 C
Vcc=5V, Po=150mW
100
100
Vcc=2.5V
Vcc=2V, Po=13mW
Vcc=2V, Po=28mW
10
Frequency (Hz)
Frequency (Hz)
Output Power (mW)
Vcc=2V
Vcc=3.3V
1000
1000
Vcc=5V, Po=300mW
Vcc=5V
100
10000
10000
20k
20k