TS4974IQT STMicroelectronics, TS4974IQT Datasheet - Page 10

• Manufacturer Part Number: TS4974IQT
• Description: IC AMP AUDIO PWR 1W MONO 10DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4974IQT

• 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, Standby, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• For Use With: 497-6382 - BOARD DEMO FOR TS4974IQT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5994-2

Electrical characteristics
10/25
Figure 8.
Figure 10. THD+N vs. frequency
Figure 12. THD+N vs. frequency
0.1
0.1
0.1
10
10
10
1E-3
1
1
1
RL = 16
G = 0dB
F = 20kHz
Cb = 1
BW < 125kHz
Tamb = 25
RL = 8
G = 0dB
Cb = 1
BW < 125kHz
Tamb = 25
RL = 16
G = 0dB
Cb = 1
BW < 125kHz
Tamb = 25
Vcc=2.6V
Pout=90mW
THD+N vs. output power
μ
Ω
μ
μ
Vcc=3.3V
Pout=250mW
Ω
F
F
Ω
F
°
°
100
°
100
C
C
C
0.01
Output power (W)
Frequency (dB)
Frequency (dB)
Vcc=3.3V
Pout=150mW
Vcc=2.6V
Vcc=3.3V
Vcc=2.6V
Pout=150mW
Vcc=5V
1000
1000
Vcc=5V
Pout=500mW
0.1
Vcc=5V
Pout=300mW
10000
10000
1
Figure 9.
Figure 11. THD+N vs. frequency
Figure 13. THD+N vs. frequency
0.1
0.1
0.1
10
10
10
1E-3
1
1
1
RL = 8
G = 12dB
Cb = 1
BW < 125kHz
Tamb = 25
RL = 16
G = 12dB
F = 20kHz
Cb = 1
BW < 125kHz
Tamb = 25
RL = 16
G = 12dB
Cb = 1
BW < 125kHz
Tamb = 25
Vcc=2.6V
Pout=90mW
Ω
μ
THD+N vs. output power
μ
μ
Vcc=3.3V
Pout=250mW
F
F
F
Ω
Ω
°
°
100
°
100
C
C
C
0.01
Output power (W)
Frequency (dB)
Frequency (dB)
Vcc=3.3V
Pout=150mW
Vcc=2.6V
Vcc=3.3V
Vcc=5V
1000
1000
Vcc=2.6V
Pout=150mW
Vcc=5V
Pout=500mW
0.1
Vcc=5V
Pout=300mW
10000
10000
TS4974
1