TS4890IST STMicroelectronics, TS4890IST Datasheet - Page 22

• Manufacturer Part Number: TS4890IST
• Description: IC AMP AUDIO PWR 1W MONO 8MSOP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4890IST

• 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, 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: 497-6776-2; TS4890IST

TS4890
Fig. 97 : Current Consumption vs Standby
Voltage @ Vcc = 2.6V
Fig. 99 : Clipping Voltage vs Power Supply
Voltage and Load Resistor
Fig. 101 : Vout1+Vout2 Unweighted Noise Floor
22/32
120
100
80
60
40
20
0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
6
5
4
3
2
1
0
20
0.0
2.2
Tamb = 25 C
Vcc = 2.2V to 5V, Tamb = 25 C
Cb = Cin = 1 F
Input Grounded
BW = 20Hz to 20kHz (Unweighted)
2.5
Standby mode
0.5
100
3.0
Power supply Voltage (V)
1.0
Frequency (Hz)
Vstandby (V)
3.5
RL = 8
1000
1.5
4.0
RL = 4
Vcc = 2.6V
Tamb = 25 C
2.0
RL = 16
4.5
Av = 2
Av = 10
10000
2.5
5.0
Fig. 98 : Current Consumption vs Standby
Voltage @ Vcc = 2.2V
Fig. 100 :Clipping Voltage vs Power Supply
Voltage and Load Resistor
Fig. 102 : Vout1+Vout2 A-weighted Noise Floor
120
100
80
60
40
20
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
5
4
3
2
1
0
20
0.0
2.2
Vcc = 2.2V to 5V, Tamb = 25 C
Cb = Cin = 1 F
Input Grounded
BW = 20Hz to 20kHz (A-Weighted)
Tamb = 25 C
2.5
Standby mode
100
0.5
3.0
Power supply Voltage (V)
Frequency (Hz)
Vstandby (V)
1.0
3.5
1000
RL = 8
4.0
1.5
RL = 4
Vcc = 2.2V
Tamb = 25 C
RL = 16
Av = 10
Av = 2
4.5
10000
2.0
5.0