DEMOTS4956J STMicroelectronics, DEMOTS4956J Datasheet - Page 26

• Manufacturer Part Number: DEMOTS4956J
• Description: BOARD DEMO TS4956EIJT/EIKJT
• Manufacturer: STMicroelectronics

Specifications of DEMOTS4956J

• Amplifier Type: Class AB
• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1W x 1 @ 8 Ohm; 43mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: TS4956
• Description/function: Audio Amplifiers
• Operating Supply Voltage: 2.7 V to 5.5 V
• Product: Audio Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: TS4956
• Other names: 497-6381; DEMOTS4956J

TS4956
Figure 52. PSRR vs. frequency
Figure 54. PSRR vs. frequency
Figure 56. PSRR vs. frequency
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
0
-20
-40
-60
-80
20
20
0
20
Mode 2 - SPK out
Vcc = 3.3V
RL
Inp. grounded
Vripple = 200mVpp
Mode 2 - SPK out
Vcc = 2.7V
RL
Inp. grounded
Vripple = 200mVpp
Mode 1 - SPK out
Vcc = 2.7V
RL
Inp. grounded
Vripple = 200mVpp
≥
≥
8
8
≥
Ω ,
Ω ,
G=-34.5dB
8
Ω
Cb = 1
G=-34.5dB
Cb = 1
100
100
, Cb = 1
100
μ
μ
F
F
μ
Frequency (Hz)
Frequency (Hz)
F
Frequency (Hz)
G=+10.5dB
G=+6dB
G=-34.5dB
G=-18dB
G=-18dB
G=+12dB
1000
1000
G=+10.5dB
G=+12dB, +10.5dB
1000
G=+1.5dB
G=-9dB
G=-9dB
G=+12dB
G=-9dB
G=+6dB
G=+6dB
G=+1.5dB
G=+1.5dB
10000
10000
G=-18dB
10000
Figure 53. PSRR vs. frequency
Figure 55. PSRR vs. frequency
Figure 57. PSRR vs. frequency
-100
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
-20
-40
-60
-80
0
0
0
20
20
20
Mode 2 - SPK out
Vcc = 5V
RL
Inp. grounded
Vripple = 200mVpp
Mode 1 - SPK out
Vcc = 5V
RL
Inp. grounded
Vripple = 200mVpp
Mode 1 - SPK out
Vcc = 3.3V
RL
Inp. grounded
Vripple = 200mVpp
G=+1.5dB
≥
≥
≥
8
8
8
Ω ,
Ω ,
Ω ,
G=-34.5dB
Cb = 1
Cb = 1
Cb = 1
100
100
100
G=+12dB
μ
μ
μ
F
F
F
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
G=-18dB
Electrical characteristics
G=+12dB
G=+6dB
G=+12dB, +10.5dB
G=-9dB
1000
1000
1000
G=+6dB
G=-18dB
G=+6dB
G=+10.5dB
G=+1.5dB
G=+1.5dB
G=+10.5dB
G=-34.5dB
G=-9dB
G=-34.5dB
G=-18dB
G=-9dB
10000
10000
10000
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