TS4890IST STMicroelectronics, TS4890IST Datasheet - Page 19

• 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. 79 : THD + N vs Frequency
Fig. 81 : THD + N vs Frequency
Fig. 83 : THD + N vs Frequency
0.01
0.01
0.1
0.1
0.1
1
1
1
20
20
20
Pout = 310mW
Pout = 620mW
Pout = 270mW
Pout = 135mW
Cb = 1 F
100
100
100
Cb = 0.1 F
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
1000
1000
1000
RL = 16 , Vcc = 3.3V
Gv = 2, Cb = 1µF
BW < 125kHz
Tamb = 25°C
RL = 8 , Vcc = 2.2V
Gv = 10
Pout = 150mW
BW < 125kHz
Tamb = 25 C
RL = 16 , Vcc = 5V
Gv = 2, Cb = 1µF
BW < 125kHz
Tamb = 25°C
10000
10000
10000
Fig. 80 : THD + N vs Frequency
Fig. 82 : THD + N vs Frequency
Fig. 84 : THD + N vs Frequency
0.01
0.1
0.1
0.1
1
1
1
20
20
20
RL = 16 , Vcc = 3.3V
Gv = 10
Cb = 1µF
BW < 125kHz
Tamb = 25°C
RL = 16 , Vcc = 5V
Gv = 10, Cb = 1µF
BW < 125kHz
Tamb = 25°C
100
100
100
Cb = 0.1 F
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Cb = 1 F
Pout = 135mW
Pout = 270mW
1000
1000
Pout = 620mW
Pout = 310mW
1000
RL = 8 , Vcc = 2.2V
Gv = 10
Pout = 72mW
BW < 125kHz
Tamb = 25 C
10000
10000
10000
TS4890
19/32