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參數(shù)資料
| 型號(hào)： | FAB2210UCX |
| 廠商： | Fairchild Semiconductor |
| 文件頁(yè)數(shù)： | 17/26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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32
9614A–AT42–08/10
AT42QT2161
6.17
Address 20: Slider Control
HSYT: Set the hysteresis value for the slider’s reported position. Hysteresis is the number of
positions the user has to move back, before the new touch position is reported when the
direction of scrolling is changed and during first scroll after touch down.
At lower resolutions, where skipping of reported positions will be noticed, hysteresis can be set
to 0 (1 position). At higher resolutions (6 – 8 bits), it would be recommended to have a hysteresis
of at least 2 positions or more.
HYST can range from 0 (1 position) to 15 (16 positions). The hysteresis is carried out at 8 bits
resolution internally and scaled to the desired resolution; therefore at resolutions lower than 8
bits, there might be a difference of 1 reported position from the HYST setting, depending on
where the touch down is.
Note: it is not valid to have a hysteresis value more than the available positions in a resolution.
For example, do not have a HYST of 5 positions with a resolution of 2 bits (4 positions).
NUM_KEYS: Set the number of keys to be used in the slider. For proper slider operation, valid
values are between 2 and 8. Setting a value of 0, will disable the slider.
HYST Default: 0 (1 position), NUM_KEYS Default: 5 (5 keys)
6.18
Address 21: Slider Options
RESOLUTION: Resolution of reported position of touch on the slider. Valid values are between
0 (8 bits) to 6 (2 bits). The keys used for the slider starts at X0 and is on the Y0 line.
Note: For better stability of the reported position at higher resolutions, increase the number of
keys used to construct the slider, reduce the front panel thickness, reduce the loading on the
slider keys or increase the burst length to gain more signal.
Default: 4 (4 bits)
Table 6-17.
Slider Control
Address
b7b6b5
b4b3b2b1
b0
20
HYST
NUM_KEYS
Table 6-18.
Slider Options
Address
b7b6b5
b4b3b2b1
b0
21
000
00
RESOLUTION
Table 6-19.
Resolution
Value
Resolution
Value
Resolution
0
8 bits (0-255)
4
4 bits (0-15)
1
7 bits (0-127)
5
3 bits (0-7)
2
6 bits (0-63)
6
2 bits (0-3)
3
5 bits (0-31)
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