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APA2176A Datasheet PDF Download - ANPEC

Номер произв APA2176A
Описание 270mW Stereo Cap-Free Headphone Driver
Производители ANPEC
логотип ANPEC логотип 
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APA2176A Даташит, Описание, Даташиты
APA2176/2176A
270mW Stereo Cap-Free Headphone Driver
Features
No Output Capacitor Required
Dual Supply Voltage (PV >V )
DD DD
– VDD=1.8 ~4.5V
– PV =2.2 ~ 5.5V
DD
Meeting VISTA Requirements
Output Power
at 1% THD+N
-200mW,
at
V =3.3V,
DD
PV =5.0V,
DD
RL=16
-55mW, at VDD=1.8V, PVDD=3.0V, RL=16
at 10% THD+N
-270mW, at VDD=3.3V, PVDD=5.0V, RL=16
-70mW, at VDD=1.8V, PVDD=3.0V, RL=16
Less External Components Required
High PSRR: 80dB at 217Hz
Fast Start-Up Time : 120µs
Short-Circuit and Thermal Protection
Surface-Mount Package
– TQFN4x4-20B (with Enhanced Thermal Pad)
– TSSOP-16
– TQFN3x3-16 (with Enhanced Thermal Pad)
(for APA2176A)
Lead Free and Green Devices Available
(RoHS Compliant)
Simplified Application Circuit
General Description
The APA2176/2176A is a stereo, fixed gain, and cap-free
headphone driver which is available in a TQFN4x4 20-pin,
TQFN3x3 16-pin (APA2176A) or TSSOP-16 package. Dual
supply voltage provides higher efficiency and better power
ripple rejection.
The APA2176/2176A is designed with ground-reference
output and no need the output capacitors for DC blocking.
The advantages of eliminating the output capacitor are
saving the cost, PCB’s space, and component height.
The built-in gain setting can minimize the external com-
ponent counts and save the PCB space. High PSRR pro-
vides increased immunity to noise and RF rectification. In
addition to these features, a fast start-up time and small
package size make the APA2176/2176A an ideal choice
for portable multimedia devices.
Moreover, the APA2176/2176A is also equipped other
features. For example, at THD+N=1%, it is capable of
driving
200mW
at
V =3.3V,
DD
PV =5.0V
DD
into
16.
In
addition, it provides thermal and short circuit protections.
Applications
Headsets
PDAs
Portable Multimedia Devices
Notebooks
R-CH
Input
RIN
L-CH
Input
LIN
APA2176/2176A
Shutdown
Control
RSD
LSD
Stereo
Headphone
ROUT
LOUT
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.3 - May., 2009
1
www.anpec.com.tw
--------------------------------------------

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APA2176A Даташит, Описание, Даташиты
APA2176/2176A
Ordering and Marking Information
APA2176
APA2176A
Assembly Material
Handling Code
Temperature Range
Package Code
Package Code
QB : TQFN4x4-20B
O : TSSOP-16
QB : TQFN3x3-16 (APA2176A)
Operating Ambient Temperature Range
I : -40 to 85 oC
Handling Code
TR : Tape & Reel
Assembly Material
G : Halogen and Lead Free Device
APA2176 QB :
APA2176 O :
APA2176
XXXXX
APA2176
XXXXX
XXXXX - Date Code
XXXXX - Date Code
APA2176A QB :
APA
2176A
XXXXX
XXXXX - Date Code
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which
are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020C for
MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen
free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by
weight).
Pin Configuration
NC 16
GND 17
LSD 18
PVDD 19
NC 20
APA2176
Top View
10 VDD
9 LOUT
8 NC
7 VSS
6 NC
NC 13
GND 14
LSD 15
PVDD 16
APA2176A
Top View
8 VDD
7 LOUT
6 VSS
5 CVSS
TQFN4x4-20B
TQFN3x3-16
=Thermal Pad (connected the Thermal Pad to ground plane for better heat dissipation)
NC 1
PVDD 2
NC 3
CP+ 4
PGND 5
CP- 6
CVSS 7
VSS 8
Copyright © ANPEC Electronics Corp.
Rev. A.3 - May., 2009
APA2176
Top View
TSSOP-16
2
16 LSD
15 GND
14 RIN
13 RSD
12 LIN
11 ROUT
10 VDD
9 LOUT
www.anpec.com.tw
--------------------------------------------

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APA2176A Даташит, Описание, Даташиты
APA2176/2176A
Absolute Maximum Ratings (Note 1)
(Over operating free-air temperature range unless otherwise noted.)
Symbol
Parameter
Rating
Unit
VDD Supply Voltage (VDD to GND)
-0.3 to 5.5
V
PVDD
Charge Pump Supply Voltage (PVDD to PGND)
-0.3 to 5.5
V
VPGND_GND
PGND to GND Voltage
-0.3 to 0.3
V
VRSD, VLSD Input Voltage (RSD and LSD to GND)
-0.3 to VDD+0.3
V
VSS, CVSS VSS and CVSS to GND and PGND Voltage
-5.5 to 0.3
V
VROUT, VLOUT ROUT and LOUT to GND Voltage
VSS-0.3 to VDD+0.3
V
VCP+
CP+ to PGND Voltage
-0.3 to PVDD+0.3
V
VCP-
TJ
TSTG
TSDR
CP- to PGND Voltage
Maximum Junction Temperature
Storage Temperature Range
Maximum Lead Soldering Temperature, 10 Seconds
CVSS-0.3 to 0.3
150
-65 to +150
260
V
οC
οC
οC
PD Power Dissipation
Internally Limited
W
Notes 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
Thermal Characteristics (Note 2,3)
Symbol
Parameter
Typical Value
Unit
Junction-to-Ambient Resistance in Free Air
θJA
TQFN3x3-16
TQFN4x4-20B
TSSOP16
55
43
100
oC/W
Junction-to-Case Resistance in Free Air
θJC
TQFN3x3-16
TQFN4x4-20B
10
8
oC/W
Note 2: Please refer to “Thermal Pad Consideration”. 2 layered 5 in2 printed circuit boards with 2oz trace and copper through several
thermal vias. The thermal pad is soldered on the PCB.
Note 3: The case temperature is measured at the center of the exposed pad on the underside of the TQFN3x3-16 and
TQFN4x4-20B packages.
Recommended Operating Conditions (Note 4)
Symbol
Parameter
VDD Supply Voltage
PVDD
Charge Pump Power Supply Voltage
VIH High Level Threshold Voltage
VIL Low Level Threshold Voltage
VICM Common Mode Input Voltage
TA Ambient Temperature
TJ Junction Temperature
RL Headphone Resistance
Note 4 : Refer to the typical application circuit.
RSD, LSD
RSD, LSD
Range
1.8 ~ 4.5
2.2 ~ 5.5
0.6PVDD ~ PVDD
0 ~ 0.3PVDD
~ VDD-1
-40 ~ 85
-40 ~ 125
14 ~
Unit
V
V
V
V
V
oC
oC
Copyright © ANPEC Electronics Corp.
Rev. A.3 - May., 2009
3
www.anpec.com.tw
--------------------------------------------





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