TS4902IST STMicroelectronics, TS4902IST Datasheet - Page 9

• Manufacturer Part Number: TS4902IST
• Description: IC AMP AUDIO PWR .7W MONO 8MSOP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4902IST

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 700mW x 1 @ 8 Ohm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Features: Depop, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8116-2; TS4902IST

Fig. 21 : Output Power vs Load Resistance
Fig. 23 : Clipping Voltage vs Supply Voltage
Fig. 25 : Noise Floor
100
1.0
0.8
0.6
0.4
0.2
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
80
60
40
20
0
2.5
20
Vcc=3.5V
Tamb = 25 C
Vcc = 2.5V to 5V
Rin = Rfeed = 22k
Cb = Cin = 1 F
Input Grounded
BW < 22kHz
Tamb = 25 C
8
3.0
100
Vcc=3V
8 Low Side
V
Vcc=5V
OUT1
Load Resistance (ohm)
4 Low Side
Supply Voltage (V)
+ V
Frequency (Hz)
3.5
16
16
Vcc=4.5V
OUT2
Vcc=2.5V
1000
4.0
Vcc=4V
4 High Side
Standby = ON
24
8 High Side
THD+N=1%
Gv = 2 & 10
Cb = 1 F
F = 1kHz
BW < 125kHz
Tamb = 25 C
4.5
10000
5.0
32
32
Fig. 22 : Output Power vs Load Resistance
Fig. 24 : Frequency response vs Cin & Cfeed
-10
-15
-20
-25
10
-5
1.2
1.0
0.8
0.6
0.4
0.2
0.0
5
0
10
Vcc=3.5V
8
Cin = 82nF
Vcc=3V
Vcc=5V
100
Cin = 22nF
Load Resistance (ohm)
Cin = 470nF
Frequency (Hz)
16
Vcc=4.5V
Vcc=2.5V
Cfeed = 330pF
Cfeed = 680pF
1000
Rin = Rfeed = 22k
Tamb = 25 C
Cfeed = 2.2nF
24
Vcc=4V
THD+N=10%
Gv = 2 & 10
Cb = 1 F
F = 1kHz
BW < 125kHz
Tamb = 25 C
TS4902
10000
32
9/19