TS4890IDT STMicroelectronics, TS4890IDT Datasheet - Page 19

• Manufacturer Part Number: TS4890IDT
• Description: IC AMP AUDIO PWR 1W MONO 8SOIC
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4890IDT

• 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-SOIC (3.9mm Width)
• Operational Class: Class-A
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.15@8Ohm@250mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Supply Current (max): 8@5VmA
• Power Supply Requirement: Single
• Unity Gain Bandwidth Product (typ): 2MHz
• Rail/rail I/o Type: Rail to Rail Output
• Power Supply Rejection Ratio: 77dB
• Single Supply Voltage (min): 2.2V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SOIC
• For Use With: 497-6363 - BOARD DEMO FOR TS489
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
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