TS4990IST STMicroelectronics, TS4990IST Datasheet - Page 15

• Manufacturer Part Number: TS4990IST
• Description: IC AMP AUDIO PWR 1.2W MONO 8MSOP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4990IST

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.2W x 1 @ 8 Ohm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Features: Depop, Differential Inputs, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• For Use With: 497-6383 - BOARD DEMO FOR TS4990
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4451-2

TS4990
Figure 44. THD + N vs. output power
Figure 46. THD + N vs. output power
Figure 48. THD + N vs. output power
0.01
0.01
0.1
0.1
10
0.1
10
10
1E-3
1E-3
1
1
1E-3
1
RL = 16 Ω
F = 20kHz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL = 16 Ω
F = 1kHz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL = 4 Ω
F = 20kHz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
0.01
0.01
0.01
Output Power (W)
Output Power (W)
Output Power (W)
Vcc=2.6V
Vcc=2.6V
Vcc=3.3V
Vcc=2.2V
Vcc=2.2V
Vcc=2.2V
Vcc=2.6V
Vcc=3.3V
0.1
Vcc=3.3V
0.1
0.1
Vcc=5V
Vcc=5V
Vcc=5V
1
1
1
Figure 45. THD + N vs. output power
Figure 47. THD + N vs. output power
Figure 49. THD + N vs. output power
0.01
0.1
0.1
0.1
10
10
10
1
1E-3
1
1E-3
1E-3
1
RL = 4 Ω
F = 1kHz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL = 8 Ω
F = 20kHz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL = 8 Ω
F = 1kHz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
0.01
0.01
0.01
Output Power (W)
Output Power (W)
Output Power (W)
Electrical characteristics
Vcc=2.6V
Vcc=2.6V
Vcc=2.2V
Vcc=2.2V
Vcc=3.3V
Vcc=2.2V
Vcc=2.6V
Vcc=3.3V
0.1
0.1
0.1
Vcc=3.3V
Vcc=5V
Vcc=5V
Vcc=5V
1
1
1
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