TS4994IST STMicroelectronics, TS4994IST Datasheet - Page 15
TS4994IST
Manufacturer Part Number
TS4994IST
Description
IC AMP AUDIO PWR 1W MONO 8MSOP
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS4994IST.pdf
(35 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TS4994IST
Manufacturer:
ST
Quantity:
20 000
TS4994
Figure 39. CMRR vs. frequency
Figure 41. CMRR vs. common mode input
Figure 43. THD+N vs. output power
-100
-100
1E-3
0.01
-10
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
0.1
10
0
0
1E-3
0.0
1
20
Vcc = 2.6V
Vic = 200mVpp
Av = 2.5, Cin = 470 μ F
RL ≥ 8 Ω
Tamb = 25 ° C
RL = 8 Ω
F = 20Hz
Av = 2.5
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
0.5
voltage
Vcc=2.5V
1.0
100
Common Mode Input Voltage (V)
1.5
0.01
Output Power (W)
2.0
Frequency (Hz)
Cb=1 μ F
Cb=0.47 μ F
Cb=0.1 μ F
Cb=0
Vcc=5V
2.5
Vcc=2.6V
1000
Vcc=3.3V
Vcc=5V
3.0
0.1
3.5
Vic = 200mVpp
F = 217Hz
Av = 1, Cb = 0
RL ≥ 8 Ω
Tamb = 25 ° C
4.0
Vcc=3.3V
10000
4.5
1
5.0
20k
Figure 40. CMRR vs. common mode input
Figure 42. THD+N vs. output power
Figure 44. THD+N vs. output power
-100
0.01
1E-3
0.01
-20
-40
-60
-80
0.1
0.1
10
10
0
1E-3
1
0.0
1E-3
1
RL = 8 Ω
F = 20Hz
Av = 7.5
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL = 8 Ω
F = 20Hz
Av = 1
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
0.5
voltage
Vcc=2.5V
1.0
Common Mode Input Voltage (V)
1.5
0.01
0.01
Output Power (W)
Output Power (W)
2.0
Electrical characteristics
Vcc=5V
2.5
Vcc=2.6V
Vcc=2.6V
Vcc=3.3V
Vcc=3.3V
Vcc=5V
Vcc=5V
3.0
0.1
0.1
3.5
Vic = 200mVpp
F = 217Hz
Av = 1, Cb = 1 μ F
RL ≥ 8 Ω
Tamb = 25 ° C
4.0
Vcc=3.3V
4.5
1
1
5.0
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