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參數(shù)資料
| 型號： | DC682A |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 6/20頁 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC1859 |
| 軟件下載： | QuikEval System |
| 設(shè)計(jì)資源： | DC682A Design File DC682A Schematic |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | QuikEval™, SoftSpan™ |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 100k |
| 數(shù)據(jù)接口： | MICROWIRE?，串行，SPI? |
| 工作溫度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC1859 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | LTC1859CG#PBF-ND - IC ADC 8CH 16BIT 100KSPS 28-SSOP LTC1859IG#PBF-ND - IC A/D CONV 8CH 16BIT 28-SSOP LTC1859IG#TRPBF-ND - IC A/D CONV 8CH 16BIT 28-SSOP LTC1859CG#TRPBF-ND - IC A/D CONV 8CH 16BIT 28-SSOP |
LTC1857/LTC1858/LTC1859
14
185789fa
Figure
6a.
Mode
1
for
the
L
TC1859*.
CONVST
Starts
a
Conversion,
Data
Output
is
Always
Enabled
(
RD
=
0)
Figure
6b.
Mode
2
for
the
L
TC1859*.
CONVST
and
RD
T
ied
T
ogether
.CONVST
Starts
a
Conversion,
Data
is
Read
by
RD
SGL/
DIFF
1
t 4
RD
=
0
SCK
SDI
SDO
CONVST
BUSY
23
4
5
6
7
8
1
5
1
6
ODD/
SIGN
SELECT
1
SELECT
0
UNI
GAIN
NAP
SLEEP
DON’T
CARE
DON’T
CARE
B14
B13
B12
B15
(MSB)
B11
B10
B9
B8
B1
B0
(LSB)
t ACQ
t 7
t 6
t 2
t CONV
t 1
t 10
t 11
SHIFT
CONFIGURATION
WORD
IN
SGL/
DIFF
1
2
3
4
5
6
7
8
15
16
ODD/
SIGN
SELECT
1
SELECT
0
UNI
GAIN
NAP
SLEEP
DON’T
CARE
B14
B13
B12
B15
(MSB)
B11
B10
B9
B8
B1
1859
F06a
B0
(LSB)
SHIFT
A/D
RESULT
OUT
AND
NEW
CONFIGURATION
WORD
IN
t 5
t 3
t 12
SGL/
DIFF
1
t 4
CONVST
=
RD
SCK
SDI
Hi-Z
SDO
BUSY
2
3
4
5
6
7
8
15
16
ODD/
SIGN
SELECT
1
SELECT
0
UNI
GAIN
NAP
SLEEP
DON’T
CARE
DON’T
CARE
B14
B13
B12
B15
(MSB)
B11
B10
B9
B8
B1
B0
(LSB)
t ACQ
t 13
t 2
t CONV
Hi-Z
t 10
t 11
SHIFT
CONFIGURATION
WORD
IN
SGL/
DIFF
1
2
34
5
678
1
5
1
6
ODD/
SIGN
SELECT
1
SELECT
0
UNI
GAIN
NAP
SLEEP
DON’T
CARE
B14
B13
B12
B15
(MSB)
B11
B10
B9
B8
B1
1859
F06b
B0
(LSB)
Hi-Z
SHIFT
A/D
RESULT
OUT
AND
NEW
CONFIGURATION
WORD
IN
t 5
t 3
t 9
t 8
t 7
t 6
Figure
7.
Operating
Sequence
for
the
L
TC1859*
SGL/
DIFF
1
t 4
RD
SCK
SDI
Hi-Z
SDO
BUSY
CONVST
2
3
4
5
6
7
8
15
16
ODD/
SIGN
SELECT
1
SELECT
0
UNI
GAIN
NAP
SLEEP
DON’T
CARE
DON’T
CARE
B14
B13
B12
B15
(MSB)
B11
B10
B9
B8
B1
B0
(LSB)
t ACQ
t 13
t 2
t 1
t CONV
Hi-Z
t 10
t 11
SHIFT
CONFIGURATION
WORD
IN
SGL/
DIFF
1
2
34
5
678
1
5
1
6
ODD/
SIGN
SELECT
1
SELECT
0
UNI
GAIN
NAP
SLEEP
DON’T
CARE
B14
B13
B12
B15
(MSB)
B11
B10
B9
B8
B1
1859
F07
B0
(LSB)
Hi-Z
SHIFT
A/D
RESULT
OUT
AND
NEW
CONFIGURATION
WORD
IN
t 5
t 3
t 9
t 8
t 7
t 6
*For
the
12-bit
L
TC1857
and
14-bit
L
TC1858,
the
last
four
and
two
bits
of
the
SDO
will
output
zeros
respectively
.
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