TS4890IQT STMicroelectronics, TS4890IQT Datasheet - Page 21

IC AMP AUDIO PWR 1W MONO AB 8DFN

TS4890IQT

Manufacturer Part Number
TS4890IQT
Description
IC AMP AUDIO PWR 1W MONO AB 8DFN
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet

Specifications of TS4890IQT

Output Type
1-Channel (Mono)
Max Output Power X Channels @ Load
1W x 1 @ 8 Ohm
Voltage - Supply
2.5 V ~ 5.5 V
Features
Depop, Standby, Thermal Protection
Mounting Type
Surface Mount
Package / Case
8-DFN
For Use With
497-6363 - BOARD DEMO FOR TS489
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TS4890IQT
Manufacturer:
ST
0
Fig. 91 : Signal to Noise Ratio vs Power Supply
with Weighted Filter type A
Fig. 93 : Frequency Response Gain vs Cin, &
Cfeed
Fig. 95 : Current Consumption vs Standby
Voltage @ Vcc = 5V
110
100
-10
-15
-20
-25
10
-5
90
80
70
60
5
0
7
6
5
4
3
2
1
0
10
0.0
2.2
0.5
2.5
Cin = 82nF
1.0
RL=16
3.0
1.5
100
Cin = 22nF
Cin = 470nF
Frequency (Hz)
2.0
3.5
Vcc (V)
Vstandby (V)
2.5
RL=8
Cfeed = 330pF
3.0
Cfeed = 680pF
1000
4.0
Rin = Rfeed = 22k
Tamb = 25 C
Cfeed = 2.2nF
3.5
RL=4
Gv = 2
Cb = Cin = 1 F
THD+N < 0.4%
Tamb = 25 C
Vcc = 5V
Tamb = 25 C
4.0
4.5
4.5
10000
5.0
5.0
Fig. 92 : Signal to Noise Ratio vs Power Supply
with Weighted Filter Type A
Fig. 94 : Current Consumption vs Power
Supply Voltage (no load)
Fig. 96 : Current Consumption vs Standby
Voltage @ Vcc = 3.3V
100
90
80
70
60
2.2
7
6
5
4
3
2
1
0
6
5
4
3
2
1
0
0.0
0
Vstandby = Vcc
Tamb = 25 C
2.5
0.5
RL=16
1
3.0
1.0
2
Vstandby (V)
RL=4
3.5
Vcc (V)
1.5
Vcc (V)
2.0
3
4.0
RL=8
Gv = 10
Cb = Cin = 1 F
THD+N < 0.4%
Tamb = 25 C
2.5
Vcc = 3.3V
Tamb = 25 C
4.5
4
3.0
TS4890
5.0
5
21/32

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