TS421IST STMicroelectronics, TS421IST Datasheet - Page 3
![IC AMP AUDIO PWR .367W AB 8MSOP](/photos/6/99/69942/497-8-msop_series_sml.jpg)
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
FIXED GAIN VERSION SPECIFIC ELECTRICAL CHARACTERISTICS
V
APPLICATION COMPONENTS INFORMATION
TYPICAL APPLICATION SCHEMATICS:
Components
CC
Symbol
from +5V to +2V, GND = 0V, T
R
R
G
R
C
FEED
IN
C
C
IN
IN
S
B
Input Resistance
Gain value for Gain TS419/TS421-2
Gain value for Gain TS419/TS421-4
Gain value for Gain TS419/TS421-8
Inverting input resistor which sets the closed loop gain in conjunction with R
forms a high pass filter with C
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminal
Feedback resistor which sets the closed loop gain in conjunction with R
A
Supply Bypass capacitor which provides power supply filtering.
Bypass capacitor which provides half supply filtering.
V
= Closed Loop Gain= 2xR
amb
Parameter
= 25°C (unless otherwise specified)
FEED
IN
(fcl = 1 / (2 x Pi x R
/R
IN
. Not needed in fixed gain versions.
Functional Description
IN
x C
IN
)). Not needed in fixed gain versions.
Min.
IN
.
FEED
12dB
18dB
Typ.
6dB
20
. This resistor also
TS419-TS421
Max.
Unit
k
dB
3/32