TS4994IST STMicroelectronics, TS4994IST Datasheet - Page 11

• 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

TS4994
Figure 15. Power derating curves
Figure 17. Open loop gain vs. frequency
Figure 19. Closed loop gain vs. frequency
-20
-40
-10
-20
-30
-40
60
40
20
10
0.6
0.4
0.2
0.0
0
0
0.1
0.1
0
Vcc = 3.3V
ZL = 8 Ω + 500pF
Tamb = 25 ° C
Vcc = 5V
Av = 1
ZL = 8 Ω + 500pF
Tamb = 25 ° C
Gain
AMR Value
1
1
25
Phase
Ambiant Temperature ( C)
Frequency (kHz)
Frequency (kHz)
10
10
Gain
50
100
100
Nominal Value
75
Phase
1000
1000
100
10000
10000
0
-40
-80
-120
-160
-200
0
-40
-80
-120
-160
-200
125
Figure 16. Open loop gain vs. frequency
Figure 18. Open loop gain vs. frequency
Figure 20. Closed loop gain vs. frequency
-10
-20
-30
-40
-20
-40
10
-20
-40
60
40
20
60
40
20
0
0
0.1
0
0.1
0.1
Vcc = 3.3V
Av = 1
ZL = 8 Ω + 500pF
Tamb = 25 ° C
Vcc = 5V
ZL = 8 Ω + 500pF
Tamb = 25 ° C
Vcc = 2.6V
ZL = 8 Ω + 500pF
Tamb = 25 ° C
Gain
1
1
1
Phase
Phase
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
10
10
10
Gain
Gain
Electrical characteristics
100
100
100
Phase
1000
1000
1000
10000
10000
10000
0
-40
-80
-120
-160
-200
0
-40
-80
-120
-160
-200
0
-40
-80
-120
-160
-200
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