TS4998IQT STMicroelectronics, TS4998IQT Datasheet - Page 13

• 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 26. PSRR vs. frequency
Figure 28. PSRR vs. frequency
Figure 30. CMRR vs. frequency
-100
-100
-10
-20
-30
-40
-50
-60
-70
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0
0
Vcc = 5V
RL
G = +6dB
Vic = 200mVpp
Cb = 1
Tamb = 25°C
Vcc = 2.7V
Vripple = 200mVpp
Cb = 1
Inputs Floating
Tamb = 25
Vcc = 2.7V
Vripple = 200mVpp
G = +6dB
Cb = 1
Inputs Grounded
Tamb = 25
≥
8
Ω
μ
μ
μ
F, Cin = 4.7
F
F, Cin = 4.7
100
100
100
°
°
C
C
μ
Frequency (Hz)
μ
Frequency (Hz)
Frequency (Hz)
F
F
1000
1000
1000
10000
10000
10000
Figure 27. PSRR vs. frequency
Figure 29. PSRR vs. common mode input
Figure 31. CMRR vs. frequency
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0
0
0
Vripple = 200mVpp
F = 217Hz, G = +6dB
Cb = 1
Tamb = 25°C
Vcc = 5V
RL
G = +12dB
Vic = 200mVpp
Cb = 1
Tamb = 25°C
Vcc = 2.7V
Vripple = 200mVpp
G = +12dB
Cb = 1
Inputs Grounded
Tamb = 25
Vcc=2.7V
≥
8
voltage
μ
Ω
μ
μ
F, RL
F, Cin = 4.7
F, Cin = 4.7
1
100
Common Mode Input Voltage (V)
100
°
C
≥
8
Ω
μ
Frequency (Hz)
μ
Frequency (Hz)
F
2
F
Electrical characteristics
1000
1000
3
Vcc=3.3V
Vcc=5V
4
10000
10000
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