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參數(shù)資料
| 型號(hào)： | FAB2210UCX |
| 廠(chǎng)商： | Fairchild Semiconductor |
| 文件頁(yè)數(shù)： | 12/26頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SUBSYSTEM HDPH AMP G 20-WLCSP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類(lèi)型： | D 類(lèi)；G 類(lèi) |
| 輸出類(lèi)型： | 1-通道（單聲道），帶立體聲耳機(jī) |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 3.3W x 1 @ 8 歐姆; 29mW x 2 @ 32 歐姆 |
| 電源電壓： | 2.8 V ~ 5.25 V |
| 特點(diǎn)： | 消除爆音，差分輸入，I²C，靜音，短路和熱保護(hù)，關(guān)機(jī)，音量控制 |
| 安裝類(lèi)型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 20-WLCSP |
| 封裝/外殼： | 20-UFBGA，WLCSP |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱(chēng)： | FAB2210UCXFSDKR |
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28
9614A–AT42–08/10
AT42QT2161
6.10
Address 11: Reset
Any nonzero value will trigger the device to reset. After a reset, the device will revert to default
settings.
After receiving a reset command the QT2161 will start not acknowledging I2C-compatible
communications and make CHANGE inactive within 16 ms. The chip will reset after another
~16 ms.
6.11
Address 12: LP Mode
LP mode sets the sleep time between bursts. A higher value causes more sleep time between
acquisitions resulting in lower power consumption, but slower response time.
The values are between 1 – 255, with each incrementing the sleep time by 16 ms steps. For
example, 1 = 16 ms LP, 2 = 32 ms LP, 3 = 48 ms LP, etc.
A value of zero causes the device to enter an ultra-low power mode (SLEEP), where no
measurements are carried out (see Section 3.17 on page 16).
The QT2161 is designed to sleep as much as possible to conserve power.
Note: the longer the LP mode, the longer the response time at first touch. The response time for
the first touch includes the digital filter's settling time (a few measurement cycles) and the DI
process. Above 256 ms LP mode the power consumption does not reduce as much, even with
longer LP mode durations. See Table 9-1 on page 46 for typical power consumptions.
Default value: 1 (16 ms LP)
6.12
Address 13: Burst Repetition
Burst Repetition (BREP) is a feature that enables the QT2161 to make multiple measurements
and take the average result; this improves the device’s ability to operate in noisy environments.
The number of burst repetitions can be reduced in low noise environments for faster response
time. The BREP value can range between 1 – 63 repetitions. Do not set to 0 because it is not
valid.
Default value:1 (one measurement burst)
Table 6-10.
Reset
Address
b7b6b5
b4b3b2b1
b0
11
RESET
Table 6-11.
LP Mode
Address
b7b6b5
b4b3b2b1
b0
12
LP_MODE
Table 6-12.
Burst Repetition
Address
b7b6b5
b4b3b2b1
b0
13
0
BREP
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