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參數資料
| 型號： | TPA2034D1YZFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.75 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| 封裝： | LEAD FREE, BGA-9 |
| 文件頁數： | 14/19頁 |
| 文件大?。?/td> | 1016K |
| 代理商： | TPA2034D1YZFT |
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
Input
Buffer
SC
300K
SLOS476 – JUNE 2006
OPERATING CHARACTERISTICS (continued)
T
A = 25°C, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
No weighting
35
VDD = 3.6 V, f = 20 Hz to 20 kHz,
Vn
Output voltage noise
V
RMS
Inputs AC grounded with Ci = 1 F
A weighting
27
VDD = 3.6 V, VIC = 1.0 Vpp , VCm = 1.8
CMRR Common mode rejection ratio
f = 217 Hz
–69
dB
V
AV = 2 V/V
30.2
RI
Input impedance
AV = 3 V/V
22.8
k
AV = 4 V/V
18.5
Start-up time from shutdown
VDD = 3.6 V
3.2
ms
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
YZF
IN–
C1
I
Negative differential audio input
IN+
A1
I
Positive differential audio input
VO-
A3
O
Negative BTL audio output
VO+
C3
O
Positive BTL audio output
Analog ground terminal. Must be connected to same potential as PGND using a direct connection
GND
A2
I
to a single point ground.
High-current Analog ground terminal. Must be connected to same potential as GND using a direct
PGND
B3
connection to a single point ground.
VDD
B1
I
Power supply terminal. Must be connected to same power supply as PVDD using a direct
connection. Voltage must be within values listed in Recommended Operating Conditions table.
High-current Power supply terminal. Must be connected to same power supply as VDD using a
PVDD
B2
I
direct connection. Voltage must be within values listed in Recommended Operating Conditions
table.
SHUTDOWN
C2
I
Shutdown terminal. When terminal is low the device is put into Shutdown mode.
4
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