TS4890IQT STMicroelectronics, TS4890IQT Datasheet - Page 20
TS4890IQT
Manufacturer Part Number
TS4890IQT
Description
IC AMP AUDIO PWR 1W MONO AB 8DFN
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS4890ID.pdf
(32 pages)
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
TS4890
20/32
Fig. 85 : THD + N vs Frequency
Fig. 87 : THD + N vs Frequency
Fig. 89 : Signal to Noise Ratio vs Power Supply
with Unweighted Filter (20Hz to 20kHz)
100
0.01
0.01
90
80
70
60
50
0.1
0.1
2.2
1
1
20
20
RL = 16 , Vcc = 2.6V
Gv = 10, Cb = 1 F
BW < 125kHz
Tamb = 25 C
2.5
Pout = 50 & 100mW
RL=16
100
100
3.0
Frequency (Hz)
Frequency (Hz)
RL=8
3.5
Vcc (V)
1000
1000
Pout = 160mW
Pout = 80mW
RL = 16 , Vcc = 2.2V
Gv = 2, Cb = 1 F
BW < 125kHz
Tamb = 25 C
4.0
RL=4
Gv = 2
Cb = Cin = 1 F
THD+N < 0.4%
Tamb = 25 C
4.5
10000
10000
5.0
Fig. 86 : THD + N vs Frequency
Fig. 88 : THD + N vs Frequency
Fig. 90 :Signal to Noise Ratio Vs Power Supply
with Unweighted Filter (20Hz to 20kHz)
0.01
0.01
90
80
70
60
50
0.1
0.1
2.2
1
1
20
20
2.5
RL = 16 , Vcc = 2.2V
Gv = 10, Cb = 1 F
BW < 125kHz
Tamb = 25 C
Pout = 100mW
RL=16
Pout = 160mW
Pout = 80mW
100
100
3.0
Pout = 50mW
Frequency (Hz)
Frequency (Hz)
3.5
Vcc (V)
RL=4
1000
1000
RL = 16 , Vcc = 2.6V
Gv = 2, Cb = 1 F
BW < 125kHz
Tamb = 25 C
4.0
RL=8
Gv = 10
Cb = Cin = 1 F
THD+N < 0.4%
Tamb = 25 C
4.5
10000
10000
5.0