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參數(shù)資料
| 型號： | MAX9890AETA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SUPP CLICK-POP 8-TDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 音頻抑制器 |
| 應(yīng)用： | 手機(jī)，PDA |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 8-TDFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
Audio Click-Pop Suppressor
Maxim Integrated
9
MAX9890
External Capacitor (CCEXT)
The external click-pop suppression capacitor at CEXT
serves a dual purpose. On power-up, CCEXT is
charged by an internal current source and is used to
slowly ramp up the external coupling capacitors. When
the device is powered down, CCEXT powers the internal
circuitry used to drain the external coupling capacitors.
A 0.1F capacitor between CEXT and GND provides
clickless/popless operation with coupling capacitors for
both the MAX9890A and MAX9890B, even with the
rapid removal of supply voltage.
Applications Information
Layout
Good layout improves performance by decreasing the
amount of stray capacitance and noise. To decrease
stray capacitance, minimize PC board trace lengths
and resistor leads, and place external components as
close to the device as possible.
Power Supply and Bypassing
The excellent PSRR of the MAX9890 allows it to operate
from noisy power supplies. In most applications, a
0.1F capacitor from VCC to GND is sufficient. This
bypass capacitor should be placed close to VCC.
UCSP Applications Information
For the latest application details on UCSP construction,
dimensions, tape-carrier information, printed circuit
board techniques, bump-pad layout, and recommend-
ed reflow temperature profile, as well as the latest infor-
mation on reliability testing results, refer to the
Application Note, “UCSP—A Wafer-Level Chip-Scale
Package” available on Maxim’s website at www.maxim-
ic.com/ucsp.
Chip Information
TRANSISTOR COUNT: 1001
PROCESS: BiCMOS
0
-30
10
100
1k
10k
100k
LOW-FREQUENCY ROLLOFF
(RL = 16
Ω)
-24
-27
-12
-15
-18
-21
-6
-9
-3
FREQUENCY (Hz)
ATTENUATION
(dB)
330
μF
220
μF
100
μF
33
μF
Figure 7. Low-Frequency Attenuation for Common DC-Blocking
Capacitor Values
CAPACITOR
SIZE (F)
MAX9890A
TURN-ON TIME
(200ms)
MAX9890B
TURN-ON TIME
(300ms)
33
√√
47
√√
100
√√
150
*
√
220
*
√
330
—
*
470
—
*
Table 1. Coupling Capacitor
*
May experience some degradation of click-pop suppression.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9890BEBL | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX9890BEBL+ | 制造商:Maxim Integrated Products 功能描述:AUD CLICK POP SUPPRESSOR 9UCSP - Rail/Tube |
| MAX9890BEBL+T | 功能描述:音頻放大器 Audio Click-Pop Suppressor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9890BEBL-T | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9890BETA | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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