FAN7031MTFX Fairchild Semiconductor, FAN7031MTFX Datasheet - Page 3

• Manufacturer Part Number: FAN7031MTFX
• Description: Audio Amplifiers 2W Power amplifier CMOS Stereo
• Manufacturer: Fairchild Semiconductor

Specifications of FAN7031MTFX

• Product: Class-AB
• Output Power: 2.45 W
• Available Set Gain: 21.3 dB
• Thd Plus Noise: 0.2 %
• Operating Supply Voltage: 3 V, 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 4 Ohms
• Input Signal Type: Differential
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential, Single
• Supply Type: Single
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Output Type: 2-Channel Stereo
• Package / Case: TSSOP-20 EP
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 2.45x2@4OhmW
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.2@4Ohm@1W%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 70dB
• 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: 20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Assignments
Pin Description
* All GND is internally tied together.
** For the best performance, VDD, PVDD1 and PVDD2 must be the same voltage level(strongly recommend).
Pin No
15**
16**
11*
20*
6**
10
12
13
14
17
18
19
1*
2
3
4
5
7
8
9
BYPASS
Symbol
SE/BTL
ROUT+
LOUT+
PVDD2
PVDD1
ROUT-
LOUT-
RIN+
GND
GND
GND
LIN+
VDD
RIN-
LIN-
NC
SD
G0
G1
BYPASS
PVDD2
LOUT+
LOUT-
GND
RIN+
G0
LIN+
G1
LIN-
I/O
O
O
O
O
O
-
I
I
I
I
I
I
-
I
-
I
I
I
I
-
Ground
Gain Selection Input(MSB)
Gain Selection Input(LSB)
Left Channel (+) Output
Left Channel (-) Input
Left Channel Power Supply Voltage
Right Channel (+) Input
Left Channel (-) Output
Left Channel (+) Input
Bypass Capacitor Connect
Ground
Single-Ended & BTL Selection:
GND ≤ SE/BTL ≤ VDD/2:BTL Mode
VDD/2 < SE/BTL ≤ VDD: SE Mode
No Connection
Right Channel (-) Output
Right Channel Power Supply Voltage
Power Supply Voltage
Right Channel (-) Input
Right Channel (+) Output
Shutdown Logic Low
SD=VDD: Chip Enable
SD=GND: Chip Shutdown
Ground
10
1
Heat Sink
20
11
Decription
GND
ROUT+
RIN-
PVDD1
ROUT-
NC
GND
VDD
SE/BTL
SD
FAN7031
3