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参数资料
| 型号： | LTC1293CCSW#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/28页 |
| 文件大小： | 0K |
| 描述： | IC DATA ACQ SYSTEM 12BIT 16-SOIC |
| 标准包装： | 1,000 |
| 类型： | 数据采集系统（DAS），ADC |
| 分辨率（位）： | 12 b |
| 采样率（每秒）： | 46.5k |
| 数据接口： | 串行，并联 |
| 电压电源： | 双 ± |
| 电源电压： | ±5V，5V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
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13
LTC1293/LTC1294/LTC1296
129346fs
MSB-First/LSB-First (MSBF)
The output data of the LTC1293/4/6 is programmed for
MSB-first or LSB-first sequence using the MSB bit. When
the MSBF bit is a logical one, data will appear on the DOUT
line in MSB-first format. Logical zeroes will be filled in
indefinitely following the last data bit to accommodate
longer word lengths required by some microprocessors.
When the MSBF bit is a logical zero, LSB first data will
follow the normal MSB first data on the DOUT line. In the
bipolar mode the sign bit will fill in after the MSB bit for
MSBF = 0 (see Operating Sequence).
Power Shutdowns (PS)
The power shutdown feature of the LTC1293/4/6 is acti-
vated by making the PS bit a logical zero. If CS remains low
after the PS bit has been received, a 12-bit DOUT word with
Example 2: The same conditions as Example 1 except
COM = 1V. The resulting input span is 1V
≤ IN+ ≤ 4V. Note
if IN
+ ≥ 4V the resulting DOUT word is all 1’s. If IN+ ≤ 1V
then the resulting DOUT word is all 0’s.
Example 3: Let VCC = 5V, V
– = –5V, REF+ = 4V, REF– = 1V
and COM = 1V. Bipolar mode of operation. The resulting
input span is –2V
≤ IN+ ≤ 4V.
For differential input configurations with the same condi-
tions as in the above three examples the resulting input
spans are as follows:
Example 1 (Diff.): IN
– ≤ IN+ ≤ IN– + 3V.
Example 2 (Diff.): IN
– ≤ IN+ ≤ IN– + 3V.
Example 3 (Diff.): IN
– – 3V ≤ IN+ ≤ IN– + 3V.
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
Operating Sequence
Example: Differential Inputs (CH4
+, CH5–), Unipolar Mode
LTC1293 AI05
MSB-FIRST DATA (MSBF = 0)
MSB-FIRST DATA (MSBF = 1)
tCYC
CS
DIN
DOUT
START
SEL1
UNI
PS
SGL/
DIFF
ODD/
SIGN
MSBF
tCONV
tSMPL
SEL0
HI-Z
FILLED WITH ZEROES
DON'T CARE
CLK
DON'T
CARE
B0
B1
B11
CLK
DON'T
CARE
tCYC
CS
DIN
START
SEL1
UNI
PS
SGL/
DIFF
ODD/
SIGN
MSBF
SEL0
DON'T CARE
DOUT
tCONV
tSMPL
HI-Z
B11
B1 B0 B1
B11
FILLED WITH
ZEROES
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| LTC1293DCN | 功能描述:IC DATA ACQ SYSTEM 12BIT 16-DIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| LTC1293DCN#PBF | 功能描述:IC DATA ACQ SYSTEM 12BIT 16-DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Data Converter Basics 标准包装:1 系列:- 类型:电机控制 分辨率（位）:12 b 采样率（每秒）:1M 数据接口:串行，并联 电压电源:单电源 电源电压:2.7 V ~ 3.6 V，4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:100-TQFP 供应商设备封装:100-TQFP（14x14） 包装:剪切带 (CT) 其它名称:296-18373-1 |
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