參數(shù)資料
型號： TVP70025IPZPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： GREEN, PLASTIC, HTQFP-100
文件頁數(shù)： 41/59頁
文件大?。?/td> 519K
代理商： TVP70025IPZPR
SLES232B
– JUNE 2008 – REVISED MAY 2011
ADC Setup
Subaddress
2Ch
(Default 50h)
7
6
5
4
3
2
1
0
ADC bias control [3:0]
Trim clamp [3:0]
ADC bias control [3:0]: Allows adjusting the internal ADC bias current for optimum performance. In general, lower settings provide better
ADC linearity while higher settings allow higher speed operation.
0h = Minimum setting
5h = Recommended setting (default)
Fh = Maximum setting
see bias current control for ADC reference amplifier at subaddress 3Eh.
Trim clamp [3:0]: SOG coarse clamp bias current control.
0h = 2
μA (default)
3h = 8
μA
Fh = 32
μA
IBIAS = 2 + 2
× NBIAS, where 0 ≤ NBIAS ≤ 15
The SOG coarse clamp leakage current (subaddress 30h) is derived from the SOG coarse clamp bias current.
Coarse Clamp Control
Subaddress
2Dh
Default (00h)
7
6
5
4
3
2
1
0
CCCLP_cur_CH1 [1:0]
Reserved [5:3]
Coarse B
Coarse G
Coarse R
CCCLP_cur_CH1 [1:0]: Coarse clamp charge current switch selection.
00 = Highest charge current setting (default)
11 = Lowest charge current setting
Reserved [5:3]: RGB channel clamp down switch control
000 = Required setting (default)
Coarse B: Active-high coarse clamp enable for Blue channel
0 = Blue channel coarse clamp disabled (default)
1 = Blue channel coarse clamp enabled
Coarse G: Active-high coarse clamp enable for Green channel
0 = Green channel coarse clamp disabled (default)
1 = Green channel coarse clamp enabled
Coarse R: Active-high coarse clamp enable for Red channel
0 = Red channel coarse clamp disabled (default)
1 = Red channel coarse clamp enabled
NOTE: Enabling Coarse clamps disables Fine clamps and overrides Fine clamp enable settings in subaddress 2Ah.
SOG Clamp
Subaddress
2Eh
(Default 80h)
7
6
5
4
3
2
1
0
SOG_CE
CCCLP_cur_SOG [1:0]
reserved
SOG_CE: Active-high SOG clamp enable.
0 = SOG clamp disabled
1 = SOG clamp enabled (default)
CCCLP_cur_SOG [1:0]: SOG coarse clamp charge current switch selection.
00 = Lowest charge current setting (default)
11 = Highest charge current setting
Reserved [4:0]:
0 = Normal operation (default)
46
Copyright
2008–2011, Texas Instruments Incorporated
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