TPA6139A2 Datasheet, PDF (2/22 Pages) Texas Instruments – DirectPath™ 25-mW Headphone Amplifier With Programmable-Fixed Gain

TPA6139A2
SLOS700B – JANUARY 2011 – REVISED JUNE 2012
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
PIN ASSIGNMENT
The TPA6139A2 is available in the:
• 14-pin TSSOP package (PW) or
• 16-pin QFN package (RGT)
PW PACKAGE
TSSOP
(TOP VIEW)
GENERAL INFORMATION
RGT PACKAGE
QFN
(TOP VIEW)
1 –IN_L
2 _{OUT_L}
3 _GND
4 _MUTE
5 ^VSS
6 CN
7 NC
–IN_R 14
OUT_R 13
GAIN 12
GND ₁₁
VDD 10
CP ⁹
NC 8
OUT_L 1
GND 2
GND 3
MUTE 4
12 OUT_R
11 _GAIN
10 _GND
9 _VDD
NAME
-IN_L
OUT_L
GND
MUTE
VSS
CN
NC
CP
VDD
GAIN
PIN
PW NO.
1
2
3, 11
4
5
6
7, 8
9
10
12
RGT NO.
16
1
2, 3, 10
4
5
6
7. 14, 15
8
9
11
OUT_R
13
12
-IN_R
14
13
(1) I = input, O = output, P = power
PIN FUNCTIONS
FUNCTION⁽¹⁾ DESCRIPTION
I
Negative input, left channel
O
Output, left channel
P
Ground
I
MUTE, active low
O
Change Pump negative supply voltage
I/O
Charge Pump flying capacitor negative connection
No internal connection
I/O
Charge Pump flying capacitor positive connection
P
Supply voltage, connect to positive supply
I
Gain set programming pin; connect a resistor to ground.
See Table 1 for recommended resistor values
O
Output, right channel
I
Negative input, right channel
2
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