參數(shù)資料
型號: THS1206MDA
廠商: Texas Instruments, Inc.
英文描述: 12-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
中文描述: 12 - MSPS的第6位,同步采樣模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù): 19/41頁
文件大小: 564K
代理商: THS1206MDA
THS1206
12-BIT 6 MSPS, SIMULTANEOUS SAMPLING
ANALOG-TO-DIGITAL CONVERTERS
SLAS217D – MAY 1999 – REVISED APRIL 2000
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
analog input channel selection
The analog input channels of the THS1206 can be selected via bits 3 to 7 of control register 0. One single
channel (single-ended or differential) is selected via bit 3 and bit 4 of control register 0. Bit 5 controls the
selection between single-ended and differential configuration. Bit 6 and bit 7 select the autoscan mode, if more
than one input channel is selected. Table 10 shows the possible selections.
Table 10. Analog Input Channel Configurations
BIT 7
SCAN
BIT 6
DIFF1
BIT 5
DIFF0
BIT 4
CHSEL1
BIT 3
CHSEL0
DESCRIPTION OF THE SELECTED INPUTS
0
0
0
0
0
Analog input AINP (single ended)
0
0
0
0
1
Analog input AINM (single ended)
0
0
0
1
0
Analog input BINP (single ended)
0
0
0
1
1
Analog input BINM (single ended)
0
0
1
0
0
Differential channel (AINP–AINM)
0
0
1
0
1
Differential channel (BINP–BINM)
Autoscan two single ended channels: AINP, AINM, AINP,
Autoscan three single ended channels: AINP, AINM, BINP, AINP,
Autoscan four single ended channels: AINP, AINM, BINP, BINM, AINP,
Autoscan one differential channel and one single ended channel AINP,
(BINP–BINM), AINP, (BINP–BINM),
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
1
1
0
1
1
0
Autoscan one differential channel and two single ended channel AINP,
AINM, (BINP–BINM), AINP,
1
1
0
0
1
Autoscan two differential channels (AINP–AINM), (BINP–BINM),
(AINP–AINM),
0
0
1
1
0
Reserved
0
0
1
1
1
Reserved
1
0
0
0
0
Reserved
1
0
1
0
0
Reserved
1
0
1
1
1
Reserved
1
1
0
0
0
Reserved
1
1
0
1
0
Reserved
1
1
0
1
1
Reserved
1
1
1
0
0
Reserved
1
1
1
0
1
Reserved
1
1
1
1
0
Reserved
1
1
1
1
1
Reserved
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