TS421IST STMicroelectronics, TS421IST Datasheet - Page 20
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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. 62: THD + N vs Output Power
Fig. 64: THD + N vs Output Power
Fig. 66: THD + N vs Frequency
20/32
0.01
0.1
0.1
10
10
1
1
20
1
1
RL = 8
F = 20kHz
Av = 4
Cb = 1 F
BW < 125kHz
Tamb = 25 C
RL = 32
F = 20kHz
Av = 4
Cb = 1 F
BW < 125kHz
Tamb = 25 C
RL=16
Av=4
Cb = 1 F
Bw < 125kHz
Tamb = 25 C
100
Vcc=2.5V
Vcc=2V
Vcc=2.5V
10
Vcc=2V, Po=20mW
Vcc=2V
Output Power (mW)
Frequency (Hz)
Output Power (mW)
10
Vcc=3.3V
Vcc=3.3V
1000
Vcc=5V, Po=220mW
100
Vcc=5V
Vcc=5V
100
10000
20k
Fig. 63: THD + N vs Output Power
Fig. 65: THD + N vs Frequency
Fig. 67: THD + N vs Frequency
0.01
0.01
0.1
0.1
0.1
10
1
20
20
1
RL=32
Av=4
Cb = 1 F
Bw < 125kHz
Tamb=25 C
RL=8
Av=4
Cb = 1 F
Bw < 125kHz
Tamb = 25 C
RL = 16
F = 20kHz
Av = 4
Cb = 1 F
BW < 125kHz
Tamb = 25 C
Vcc=5V, Po=150mW
100
100
Vcc=2.5V
Vcc=2V, Po=28mW
Vcc=2V
Vcc=2V, Po=13mW
10
Frequency (Hz)
Frequency (Hz)
Output Power (mW)
1000
1000
Vcc=5V, Po=300mW
Vcc=3.3V
100
Vcc=5V
10000
10000
20k
20k