TS4890IQT STMicroelectronics, TS4890IQT Datasheet - Page 7

• Manufacturer Part Number: TS4890IQT
• Description: IC AMP AUDIO PWR 1W MONO AB 8DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4890IQT

• 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-DFN
• For Use With: 497-6363 - BOARD DEMO FOR TS489
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Fig. 7 : Open Loop Frequency Response
Fig. 9 : Open Loop Frequency Response
Fig. 11 : Open Loop Frequency Response
100
100
-20
-40
-20
-40
-20
-40
80
60
40
20
80
60
40
20
80
60
40
20
0
0
0
0.3
0.3
0.3
CL = 560pF
Tamb = 25 C
Phase
CL = 560pF
Tamb = 25 C
Vcc = 2.6V
Vcc = 5V
1
1
1
Gain
Gain
Gain
10
10
10
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
Phase
Phase
100
100
100
1000
1000
1000
Vcc = 2.2V
RL = 8
Tamb = 25 C
10000
10000
10000
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
-200
-220
-240
-80
-100
-120
-140
-160
-180
-200
-220
-80
-100
-120
-140
-160
-180
-200
-220
-240
Fig. 8 : Open Loop Frequency Response
Fig. 10 : Open Loop Frequency Response
Fig. 12 : Open Loop Frequency Response
100
100
-20
-40
-20
-40
-20
-40
80
60
40
20
80
60
40
20
80
60
40
20
0
0
0
0.3
0.3
0.3
Vcc = 2.2V
CL = 560pF
Tamb = 25 C
Phase
CL = 560pF
Tamb = 25 C
1
1
1
Vcc = 3.3V
Gain
Gain
Gain
10
10
10
Frequency (kHz)
Frequency (kHz)
Frequency (kHz)
Phase
Phase
100
100
100
Vcc = 2.2V
RL = 8 , + 560pF
Tamb = 25 C
1000
1000
1000
10000
10000
10000
TS4890
-80
-100
-120
-140
-160
-180
-200
-220
-240
-80
-100
-120
-140
-160
-180
-200
-220
-240
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
-200
-220
-240
7/32