參數(shù)資料
型號(hào): MAX9773EBP+TG45
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 20/21頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 1.8W D 20UCSP
標(biāo)準(zhǔn)包裝: 2,500
類型: D 類
輸出類型: 2 通道(立體聲)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 1.8W x 2 @ 4 歐姆
電源電壓: 2.6 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: 20-UCSP(5x4)
封裝/外殼: 20-WFBGA,CSPBGA
包裝: 帶卷 (TR)
MAX9773
1.8W, Filterless, Ultra-Low EMI,
Stereo Class D Audio Power Amplifier
8
_______________________________________________________________________________________
Pin Description
PIN
TQFN
UCSP
NAME
FUNCTION
1A2
SHDN
Active-Low Shutdown. Connect to VDD for normal operation.
2B3
SYNC
Frequency Select and External Clock Input:
SYNC = GND: Fixed-frequency mode with fS = 1100kHz.
SYNC = Unconnected: Fixed-frequency mode with fS = 1400kHz.
SYNC = VDD: Spread-spectrum mode with fS = 1200kHz
±60kHz.
SYNC = Clocked: Fixed-frequency mode with fS = external clock frequency.
3, 8, 11, 16
—N.C.
No Connection. Not internally connected.
4A3
OUTL+
Left-Channel Amplifier Output Positive Phase
5, 14
A4, D4
PVDD
H-Bridge Power Supply. Connect to VDD. Bypass with a 0.1F capacitor to PGND.
6, 13
B4, C4
PGND
Power Ground
7A5
OUTL-
Left-Channel Amplifier Output Negative Phase
9, 22
B1, B5
GND
Analog Ground
10
C5
SYNC_OUT
Clock Signal Output
12
D5
OUTR-
Right-Channel Amplifier Output Negative Phase
15
D3
OUTR+
Right-Channel Amplifier Output Positive Phase
17
C3
GAIN1
Gain-Select Input 1
18
D2
GAIN2
Gain-Select Input 2
19
D1
INR-
Right-Channel Inverting Input
20
C2
INR+
Right-Channel Noninverting Input
21
C1
VDD
Analog Power Supply. Connect to PVDD. Bypass with a 10F capacitor to GND.
23
B2
INL+
Left-Channel Noninverting Input
24
A1
INL-
Left-Channel Inverting Input
EP
EP
Exposed Pad. Connect the exposed thermal pad to the GND plane (see the Supply
Bypassing, Layout, and Grounding section).
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