IC AMP AUDIO PWR 1W MONO 8SOIC

TS4890ID

Manufacturer Part NumberTS4890ID
DescriptionIC AMP AUDIO PWR 1W MONO 8SOIC
ManufacturerSTMicroelectronics
TypeClass AB
TS4890ID datasheet
 


Specifications of TS4890ID

Output Type1-Channel (Mono)Max Output Power X Channels @ Load1W x 1 @ 8 Ohm
Voltage - Supply2.5 V ~ 5.5 VFeaturesDepop, Standby, Thermal Protection
Mounting TypeSurface MountPackage / Case8-SOIC (3.9mm Width)
ProductClass-AOutput Power1 W
Thd Plus Noise0.15 %Operating Supply Voltage3 V, 5 V
Supply Current6 mAMaximum Operating Temperature+ 85 C
Mounting StyleSMD/SMTAudio Load Resistance8 Ohms
Input Offset Voltage- 0.3 V to + 0.3 VInput Signal TypeSingle
Minimum Operating Temperature- 40 COutput Signal TypeDifferential
Supply TypeSingleSupply Voltage (max)5.5 V
Supply Voltage (min)2.2 VOperational ClassClass-A
Audio Amplifier Output Configuration1-Channel MonoOutput Power (typ)1x1@8OhmW
Audio Amplifier FunctionSpeakerTotal Harmonic Distortion0.15@8Ohm@250mW%
Single Supply Voltage (typ)3/5VDual Supply Voltage (typ)Not RequiredV
Supply Current (max)8@5VmAPower Supply RequirementSingle
Unity Gain Bandwidth Product (typ)2MHzRail/rail I/o TypeRail to Rail Output
Power Supply Rejection Ratio77dBSingle Supply Voltage (min)2.2V
Single Supply Voltage (max)5.5VDual Supply Voltage (min)Not RequiredV
Dual Supply Voltage (max)Not RequiredVOperating Temp Range-40C to 85C
Operating Temperature ClassificationIndustrialMountingSurface Mount
Pin Count8Package TypeSO
Lead Free Status / RoHS StatusContains lead / RoHS non-compliantOther names497-2292-5
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TS4890
Fig. 13 : Power Supply Rejection Ratio (PSRR)
vs Power supply
-30
Vripple = 200mVrms
Rfeed = 22k
-40
Input = floating
RL = 8
Tamb = 25 C
-50
Vcc = 5V to 2.2V
-60
Cb = 1 F & 0.1 F
-70
-80
10
100
1000
Frequency (Hz)
Fig. 15 : Power Supply Rejection Ratio (PSRR)
vs Bypass Capacitor
-10
Vcc = 5 to 2.2V
Cb=1 F
-20
Rfeed = 22k
Rin = 22k, Cin = 1 F
Cb=10 F
-30
Rg = 100 , RL = 8
Tamb = 25 C
-40
Cb=47 F
-50
-60
-70
Cb=100 F
-80
10
100
1000
Frequency (Hz)
Fig. 17 : Power Supply Rejection Ratio (PSRR)
vs Feedback Resistor
-10
Vcc = 5 to 2.2V
-20
Rfeed=110k
Cb = 1 F & 0.1 F
Vripple = 200mVrms
-30
Input = floating
Rfeed=47k
RL = 8
-40
Tamb = 25 C
-50
-60
-70
-80
10
100
1000
Frequency (Hz)
8/32
Fig. 14 : Power Supply Rejection Ratio (PSRR)
vs Feedback Capacitor
-10
-20
-30
-40
-50
-60
-70
-80
10000
100000
10
Fig. 16 : Power Supply Rejection Ratio (PSRR)
vs Input Capacitor
-10
-20
-30
-40
-50
-60
10000
100000
10
Fig. 18 : Pout @ THD + N = 1% vs Supply
Voltage vs RL
1.4
1.2
1.0
0.8
0.6
0.4
Rfeed=22k
0.2
Rfeed=10k
0.0
10000
100000
Vcc = 5 to 2.2V
Cfeed=0
Cb = 1 F & 0.1 F
Rfeed = 22k
Cfeed=150pF
Vripple = 200mVrms
Input = floating
Cfeed=330pF
RL = 8
Tamb = 25 C
Cfeed=680pF
100
1000
10000
Frequency (Hz)
Cin=1 F
Vcc = 5 to 2.2V
Cin=330nF
Rfeed = 22k, Rin = 22k
Cb = 1 F
Cin=220nF
Rg = 100 , RL = 8
Tamb = 25 C
Cin=100nF
Cin=22nF
100
1000
10000
Frequency (Hz)
8
Gv = 2 & 10
6
Cb = 1 F
F = 1kHz
4
BW < 125kHz
Tamb = 25 C
16
32
2.5
3.0
3.5
4.0
4.5
Vcc (V)
100000
100000
5.0