TS4994IST STMicroelectronics, TS4994IST Datasheet - Page 16

• 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
16/35
Figure 45. THD+N vs. output power
Figure 47. THD+N vs. output power
Figure 49. THD+N vs. output power
0.01
0.01
0.1
0.1
0.1
10
10
10
1E-3
1
1E-3
1E-3
1
1
RL = 8 Ω
F = 20kHz
Av = 2.5
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL = 8 Ω
F = 1kHz
Av = 1
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL = 8 Ω
F = 1kHz
Av = 7.5
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=3.3V
Vcc=3.3V
Vcc=2.6V
Vcc=3.3V
Vcc=2.6V
Vcc=5V
Vcc=5V
Vcc=5V
0.1
0.1
0.1
1
1
1
Figure 46. THD+N vs. output power
Figure 48. THD+N vs. output power
Figure 50. THD+N vs. output power
0.01
0.1
0.1
0.1
10
10
10
1E-3
1E-3
1
1
1E-3
1
RL = 8 Ω
F = 20kHz
Av = 1
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL = 8 Ω
F = 20kHz
Av = 7.5
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL = 8 Ω
F = 1kHz
Av = 2.5
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=3.3V
Vcc=2.6V
Vcc=3.3V
Vcc=2.6V
Vcc=3.3V
Vcc=5V
Vcc=5V
Vcc=5V
0.1
0.1
0.1
1
1
TS4994
1