TDA8551T/N1,112 NXP Semiconductors, TDA8551T/N1,112 Datasheet - Page 10

• Manufacturer Part Number: TDA8551T/N1,112
• Description: IC AMP AUDIO PWR 1.4W MONO 8SOIC
• Manufacturer: NXP Semiconductors
• Type: Class ABr

Specifications of TDA8551T/N1,112

• Output Type: 1-Channel (Mono)
• Package / Case: 8-SOIC (3.9mm Width)
• Max Output Power X Channels @ Load: 1.4W x 1 @ 8 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Standby, Volume Control
• Mounting Type: Surface Mount
• Product: Class-AB
• Output Power: 1.4 W
• Available Set Gain: 20 dB
• Thd Plus Noise: 0.15 %
• Operating Supply Voltage: 5 V
• Supply Current: 6 mA
• Maximum Power Dissipation: 800 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 8 Ohms
• Input Signal Type: Single
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential
• Supply Type: Single
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-3477-5; 935232730112; TDA8551TD

NXP Semiconductors
1998 Feb 23
handbook, halfpage
handbook, halfpage
1 W BTL audio amplifier with digital volume
control
P
(1) G
Fig.8
THD = 1 %.
Fig.10 Input voltage as a function of voltage gain.
o
(V)
THD
V i
(%)
= 0.1 W.
10
10
2.4
2.0
1.6
1.2
0.8
0.4
10
−1
−2
v
0
1
−60
10
= 0 dB.
Total harmonic distortion as a function of
frequency at different gains.
(1)
(2)
(3)
−40
10
2
−20
10
3
(2) G
(3) G
10
0
v
v
4
= 7 dB.
= 20 dB.
G v (dB)
f (Hz)
MGM550
MGM559
10
20
5
10
handbook, halfpage
handbook, halfpage
V
R
(1) C2 = 10 μF; G
(2) C2 = 10 μF; G
Fig.9
(1) V
(2) V
Fig.11 Output voltage as a function of mode select
SVRR
ripple
source
(dB)
(V)
V o
10
10
10
10
10
−20
−40
−60
−1
−2
−3
−4
−5
P
P
= 100 mV.
0
1
10
= 0 Ω.
= 3 V.
= 5 V.
0
Supply voltage ripple rejection as a function
of frequency.
input voltage at different supply voltages.
(1)
(2)
(3)
(4)
(5)
(6)
1
v
v
10
= 20 dB.
= 7 dB.
2
2
10
(3) C2 = 100 μF; G
(4) C2 = 10 μF; G
(5) C2 = 100 μF; G
(6) C2 = 100 μF; G
3
(1)
3
Product specification
10
4
4
TDA8551
f (Hz)
V MODE
v
MGM549
MGM555
v
v
v
= −10 dB.
= 20 dB.
= 7 dB.
= −10 dB.
(2)
10
5
5