TS4890IST STMicroelectronics, TS4890IST Datasheet - Page 15

• Manufacturer Part Number: TS4890IST
• Description: IC AMP AUDIO PWR 1W MONO 8MSOP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4890IST

• 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-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6776-2; TS4890IST

Fig. 55 : THD + N vs Output Power
Fig. 57 : THD + N vs Frequency
Fig. 59 : THD + N vs Frequency
0.01
0.1
0.1
0.1
10
1E-3
1
1
1
20
20
RL = 4 , Vcc = 3.3V
Gv = 2
Cb = 1µF
BW < 125kHz
Tamb = 25°C
RL = 16
Vcc = 2.2V
Gv = 2
Cb = Cin = 1 F
BW < 125kHz
Tamb = 25 C
RL = 4 , Vcc = 5V
Gv = 2
Cb = 1µF
BW < 125kHz
Tamb = 25°C
20Hz
100
100
Output Power (W)
1kHz
Pout = 600mW
Frequency (Hz)
Frequency (Hz)
0.01
20kHz
1000
1000
Pout = 540mW
Pout = 270mW
Pout = 1.2W
0.1
10000
10000
Fig. 56 : THD + N vs Output Power
Fig. 58 : THD + N vs Frequency
Fig. 60 : THD + N vs Frequency
0.01
0.01
0.1
0.1
10
0.1
1E-3
1
1
1
20
20
RL = 4 , Vcc = 3.3V
Gv = 10
Cb = 1µF
BW < 125kHz
Tamb = 25°C
RL = 16 Vcc = 2.2V
Gv = 10, Cb = Cin = 1 F
BW < 125kHz, Tamb = 25 C
RL = 4 , Vcc = 5V
Gv = 10
Cb = 1µF
BW < 125kHz
Tamb = 25°C
100
100
20Hz
Output Power (W)
Frequency (Hz)
Frequency (Hz)
0.01
1kHz
Pout = 270mW
1000
Pout = 1.2W
1000
Pout = 540mW
20kHz
Pout = 600mW
0.1
10000
10000
TS4890
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