TS4990IST STMicroelectronics, TS4990IST Datasheet - Page 16
TS4990IST
Manufacturer Part Number
TS4990IST
Description
IC AMP AUDIO PWR 1.2W MONO 8MSOP
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS4990IST.pdf
(32 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TS4990IST
Manufacturer:
ST
Quantity:
56 000
Company:
Part Number:
TS4990IST
Manufacturer:
ST
Quantity:
3 190
Part Number:
TS4990IST
Manufacturer:
ST
Quantity:
20 000
Electrical characteristics
16/32
Figure 50. THD + N vs. output power
Figure 52. SNR vs. power supply with
Figure 54. THD + N vs. frequency
0.01
0.01
0.1
110
105
100
0.1
10
95
90
85
80
1E-3
1
20
RL = 16 Ω
F = 20kHz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
RL=16 Ω
Av=2
Cb = 1 μ F
Bw < 125kHz
Tamb = 25 ° C
Av = 2
Cb = 1 μ F
THD+N < 0.7%
Tamb = 25 ° C
2.5
unweighted filter (20Hz to 20kHz)
Vcc=2.2V, Po=100mW
100
3.0
Power Supply Voltage (V)
0.01
Output Power (W)
Vcc=5V, Po=0.55W
Frequency (Hz)
RL=16 Ω
RL=4 Ω
Vcc=2.6V
3.5
Vcc=2.2V
1000
Vcc=3.3V
4.0
0.1
RL=8 Ω
Vcc=5V
4.5
10000
20k
1
5.0
Figure 51. THD + N vs. frequency
Figure 53. THD + N vs. frequency
Figure 55. SNR vs. power supply with
0.01
0.1
0.1
95
90
85
80
75
70
1
20
20
RL=4 Ω
Av=2
Cb = 1 μ F
Bw < 125kHz
Tamb = 25 ° C
Av = 10
Cb = 1 μ F
THD+N < 0.7%
Tamb = 25 ° C
RL=8 Ω
Av=2
Cb = 1 μ F
Bw < 125kHz
Tamb = 25 ° C
2.5
unweighted filter (20Hz to 20kHz)
100
100
3.0
Vcc=2.2V, Po=150mW
Power Supply Voltage (V)
Vcc=2.2V, Po=130mW
Vcc=5V, Po=1W
Frequency (Hz)
Frequency (Hz)
Vcc=5V, Po=1.3W
RL=16 Ω
RL=4 Ω
3.5
1000
1000
4.0
RL=8 Ω
4.5
10000
10000
TS4990
20k
5.0
20k