TS4902IST STMicroelectronics, TS4902IST Datasheet - Page 7

• Manufacturer Part Number: TS4902IST
• Description: IC AMP AUDIO PWR .7W MONO 8MSOP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4902IST

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 700mW x 1 @ 8 Ohm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Features: Depop, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8116-2; TS4902IST

Fig. 10 : Power Supply Rejection Ratio (PSRR)
vs Power supply
Fig. 12 : Power Supply Rejection Ratio (PSRR)
vs Bypass Capacitor
Fig. 14 : Power Supply Rejection Ratio (PSRR)
vs Feedback Resistor
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
-30
-40
-50
-60
-70
-80
10
10
10
Vripple = 200mVrms
Rfeed = 22k
Input = floating
RL = 8
Tamb = 25 C
Vcc = 5 to 2.2V
Cb = 1 F & 0.1 F
Vripple = 200mVrms
Input = floating
RL = 8
Tamb = 25 C
Cb=100 F
Vcc = 5V to 2.2V
Cb = 1 F & 0.1 F
Cb=1 F
100
100
100
Cb=10 F
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Rfeed=110k
1000
1000
1000
Rfeed=47k
Vcc = 5 to 2.2V
Rfeed = 22k
Rin = 22k, Cin = 1 F
Rg = 100 , RL = 8
Tamb = 25 C
Cb=47 F
10000
10000
10000
Rfeed=10k
Rfeed=22k
100000
100000
100000
vs Feedback Capacitor
Fig. 13 : Power Supply Rejection Ratio (PSRR)
vs Input Capacitor
Fig. 11 : Power Supply Rejection Ratio (PSRR)
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
10
10
Vcc = 5 to 2.2V
Cb = 1 F & 0.1 F
Rfeed = 22k
Vripple = 200mVrms
Input = floating
RL = 8
Tamb = 25 C
Cin=1 F
Cin=22nF
Cin=330nF
Cin=100nF
100
100
Cin=220nF
Frequency (Hz)
Frequency (Hz)
1000
1000
Cfeed=330pF
Cfeed=150pF
Cfeed=680pF
Vcc = 5 to 2.2V
Rfeed = 22k, Rin = 22k
Cb = 1 F
Rg = 100 , RL = 8
Tamb = 25 C
Cfeed=0
10000
10000
TS4902
100000
100000
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