VO V
參數(shù)資料
型號(hào): TPA2035D1YZFT
廠商: Texas Instruments
文件頁(yè)數(shù): 3/18頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.75W D 9DSBGA
標(biāo)準(zhǔn)包裝: 250
系列: NanoFree™
類型: D 類
輸出類型: 1-通道(單聲道)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 2.75W x 1 @ 4 歐姆
電源電壓: 2.5 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,短路和熱保護(hù),關(guān)閉
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 9-DSBGA(1.8x1.8)
封裝/外殼: 9-UFBGA,DSBGA
包裝: 帶卷 (TR)
其它名稱: 296-32455-2
TPA2035D1YZFT-ND
fc +
1
2p R
I
C
I
(1)
C
I +
1
2p R
I
fc
(2)
_
+
IN
IN+
PWM
H
Bridge
VO
VO+
Internal
Oscillator
CS
ToBattery
VDD
GND
Bias
Circuitry
Differential
Input
TPA2035D1
Filter-FreeClassD
SHUTDOWN
_
+
IN
IN+
PWM
H
Bridge
VO
VO+
Internal
Oscillator
CS
ToBattery
VDD
GND
Bias
Circuitry
Differential
Input
TPA2035D1
Filter-FreeClassD
SHUTDOWN
CI
www.ti.com ................................................................................................................................................................................................ SLOS562 – AUGUST 2008
The value of the input capacitor is important to consider as it directly affects the bass (low frequency)
performance of the circuit. Speaker response may also be taken into consideration when setting the corner
frequency using input capacitors.
Equation 2 is reconfigured to solve for the input coupling capacitance.
If the corner frequency is within the audio band, the capacitors should have a tolerance of ±10% or better,
because any mismatch in capacitance causes an impedance mismatch at the corner frequency and below.
For a flat low-frequency response, use large input coupling capacitors (1
F or larger).
Figure 29. Typical TPA2035D1 Application Schematic With Differential Input for a Wireless Phone
Figure 30. TPA2035D1 Application Schematic With Differential Input and Input Capacitors
Copyright 2008, Texas Instruments Incorporated
11
Product Folder Link(s): TPA2035D1
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