TS4997IQT STMicroelectronics, TS4997IQT Datasheet - Page 13

• Manufacturer Part Number: TS4997IQT
• Description: IC AMP AUDIO 1W STER AB 16QFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4997IQT

• 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: 3D, Depop, Differential Inputs, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5995-2

TS4997
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
≥
3D LOW
8
Ω
μ
μ
μ
F, Cin = 4.7
F
F, Cin = 4.7
100
100
100
°
°
C
C
3D MEDIUM
μ
Frequency (Hz)
μ
Frequency (Hz)
Frequency (Hz)
F
F
3D LOW
3D LOW
3D MEDIUM
3D MEDIUM
1000
1000
1000
3D HIGH
3D OFF
3D OFF
3D HIGH
3D HIGH
3D OFF
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
3D Effect OFF
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
≥
3D LOW
8
voltage
μ
Ω
μ
F, RL
μ
F, Cin = 4.7
F, Cin = 4.7
1
100
Common Mode Input Voltage (V)
100
°
C
≥
8
Ω
μ
3D MEDIUM
Frequency (Hz)
μ
Frequency (Hz)
F
2
3D LOW
F
Electrical characteristics
3D MEDIUM
1000
1000
3
Vcc=3.3V
3D HIGH
3D OFF
3D OFF
Vcc=5V
3D HIGH
4
10000
10000
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