TS4998IQT STMicroelectronics, TS4998IQT Datasheet - Page 11

• Manufacturer Part Number: TS4998IQT
• Description: IC AMP AUDIO PWR 1W STER 16QFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4998IQT

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 1W x 2 @ 8 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Differential Inputs, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 1x2@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.5@8Ohm@700mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Unity Gain Bandwidth Product (typ): 1.5MHz
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 80dB
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: QFN EP
• For Use With: 497-8259 - BOARD EVAL BASED ON TS4998
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6842-2

TS4998
Figure 14. THD+N vs. frequency
Figure 16. THD+N vs. frequency
Figure 18. THD+N vs. frequency
0.01
0.01
0.01
0.1
0.1
0.1
10
10
10
1
1
1
RL = 8
G = +6dB
Cb = 1
BW < 125kHz
Tamb = 25
RL = 16
G = +6dB
Cb = 1
BW < 125kHz
Tamb = 25
RL = 4
G = +6dB
Cb = 1
BW < 125kHz
Tamb = 25
Ω
μ
Ω
μ
μ
F
F
Ω
F
100
100
100
°
°
°
C
C
C
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Vcc=2.7V
Pout=200mW
Vcc=2.7V
Pout=120mW
1000
1000
1000
Vcc=3.3V
Pout=430mW
Vcc=3.3V
Pout=300mW
Vcc=3.3V
Pout=200mW
Vcc=2.7V
Pout=260mW
Vcc=5V
Pout=450mW
Vcc=5V
Pout=950mW
Vcc=5V
Pout=700mW
10000
10000
10000
Figure 15. THD+N vs. frequency
Figure 17. THD+N vs. frequency
Figure 19. THD+N vs. frequency
0.01
0.01
0.01
0.1
0.1
0.1
10
10
10
1
1
1
RL = 16
G = +12dB
Cb = 1
BW < 125kHz
Tamb = 25
RL = 4
G = +12dB
Cb = 1
BW < 125kHz
Tamb = 25
RL = 8
G = +12dB
Cb = 1
BW < 125kHz
Tamb = 25
Ω
μ
Ω
μ
μ
F
F
Ω
F
100
100
°
100
°
°
C
C
C
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Electrical characteristics
Vcc=2.7V
Pout=200mW
Vcc=2.7V
Pout=120mW
1000
1000
1000
Vcc=3.3V
Pout=430mW
Vcc=3.3V
Pout=300mW
Vcc=3.3V
Pout=200mW
Vcc=2.7V
Pout=260mW
Vcc=5V
Pout=950mW
Vcc=5V
Pout=450mW
Vcc=5V
Pout=700mW
10000
10000
10000
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