TS4994IST STMicroelectronics, TS4994IST Datasheet - Page 18

• Manufacturer Part Number: TS4994IST
• Description: IC AMP AUDIO PWR 1W MONO 8MSOP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4994IST

• 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, Differential Inputs, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• For Use With: 497-6396 - BOARD EVAL FOR LV TS4984IQT497-6395 - BOARD EVAL FOR LP DIFF TS4994IQT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4452-2

Electrical characteristics
18/35
Figure 57. THD+N vs. output power
Figure 59. THD+N vs. output power
Figure 61. THD+N vs. frequency
1E-3
0.01
1E-3
0.01
0.01
0.1
0.1
10
0.1
10
10
1
1E-3
1
1E-3
1
20
RL = 8 Ω
Av = 1
Cb = 1 μ F
Bw < 125kHz
Tamb = 25 ° C
RL = 16 Ω
Vcc = 5V
Av = 1, Cb = 0
BW < 125kHz
Tamb = 25 ° C
RL = 8 Ω
Vcc = 5V
Av = 1
Cb = 0
BW < 125kHz
Tamb = 25 ° C
100
0.01
0.01
Output Power (W)
Output Power (W)
Vcc=2.6V, Po=225mW
Frequency (Hz)
F=20Hz
F=20Hz
F=1kHz
F=1kHz
1000
F=20kHz
F=20kHz
Vcc=5V, Po=850mW
0.1
0.1
10000
1
1
20k
Figure 58. THD+N vs. output power
Figure 60. THD+N vs. output power
Figure 62. THD+N vs. frequency
1E-3
0.01
1E-3
1E-3
0.01
0.01
0.1
10
0.1
0.1
10
10
1
1E-3
1E-3
1
1
20
RL = 8 Ω
Av = 1
Cb = 0
Bw < 125kHz
Tamb = 25 ° C
RL = 16 Ω
Vcc = 2.6V
Av = 1, Cb = 0
BW < 125kHz
Tamb = 25 ° C
RL = 8 Ω
Vcc = 2.6V
Av = 1, Cb = 0
BW < 125kHz
Tamb = 25 ° C
F=20Hz
100
Output Power (W)
Output Power (W)
Vcc=2.6V, Po=225mW
0.01
Frequency (Hz)
0.01
F=20Hz
F=1kHz
F=1kHz
1000
F=20kHz
F=20kHz
Vcc=5V, Po=850mW
0.1
0.1
10000
TS4994
20k