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參數(shù)資料
| 型號(hào)： | LTC1296DISW#TR |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 6/28頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DATA ACQ SYS 12BIT 5V 20SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 數(shù)據(jù)采集系統(tǒng)（DAS），ADC |
| 分辨率（位）： | 12 b |
| 采樣率（每秒）： | 46.5k |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 電壓電源： | 雙 ± |
| 電源電壓： | ±5V，5V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC |
| 包裝： | 帶卷 (TR) |
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14
LTC1293/LTC1294/LTC1296
129346fs
PART NUMBER
TYPE OF INTERFACE
Motorola
MC6805S2, S3
SPI
MC68HC11
SPI
MC68HC05
SPI
RCA
CDP68HC05
SPI
Hitachi
HD6305
SCI Synchronous
HD6301
SCI Synchronous
HD63701
SCI Synchronous
HD6303
SCI Synchronous
HD64180
SCI Synchronous
National Semiconductor
COP400 Family
MICROWIRE
COP800 Family
MCROWIRE/PLUS
NS8050U
MICROWIRE/PLUS
HPC16000 Family
MICROWIRE/PLUS
Texas Instruments
TMS7002
Serial Port
TMS7042
Serial Port
TMS70C02
Serial Port
TMS70C42
Serial Port
TMS32011*
Serial Port
TMS32020*
Serial Port
TMS370C050
SPI
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
Power Shutdown Operating Sequence
Example: Differential Inputs (CH4
+, CH5–), Unipolar Mode and MSB-First Data
all logical ones will be shifted out followed by logical
zeroes till CS goes high. Then the DOUT line will go into its
high impedance state. The LTC 1293/4/6 will remain in the
shutdown mode till the next CS cycle. There is no warm-
up or wait period required after coming out of the power
shutdown cycle so a conversion can commence after CS
goes low (see Power Shutdown Operating Sequence). The
LTC1296 has a System Shutdown Output pin (SSO) which
will go low when power shutdown is activated. The pin will
stay low till next CS cycle.
Microprocessor Interfaces
The LTC1293/4/6 can interface directly (without external
hardware) to most popular microprocessors (MPU) syn-
chronous serial formats (see Table 1). If an MPU without
a dedicated serial port is used, then three of the MPU’s
parallel port lines can be programmed to form the serial
link to the LTC1293/4/6. Included here are one serial
interface example and one example showing a parallel
port programmed to form the serial interface.
Microprocessor Interfaces
The LTC1293/4/6 can interface directly (without external
hardware) to most popular microprocessors (MPU) syn-
chronous serial formats (see Table 1). If an MPU without
a dedicated serial port is used, then three of the MPU’s
parallel port lines can be programmed to form the serial
link to the LTC1293/4/6.
* Requires external hardware
** Contact factory for interface information for processors not on this list
MICROWIRE and MICROWIRE/PLUS are trademarks of National
Semiconductor Corp.
Table 1. Microprocessor with Hardware Serial Interfaces Compat-
ible with the LTC1293/4/6**
DIN
LTC1293 AI06
SHUTDOWN*
REQUEST POWER SHUTDOWN
NEW CONVERSION BEGINS
PS
MSBF
UNI
SEL0
ODD/
SIGN
SEL1/
DIFF
SEL1
START
DON'T CARE
PS
UNI
SEL0
ODD/
SIGN
SEL1/
DIFF
SEL1
START
MSBF
B0
B11
HI-Z
DOUT
FILLED
WITH
ZEROES
HI-Z
CLK
CS
*STOPPING THE CLOCK WILL HELP REDUCE POWER CONSUMPTION.
CS CAN BE BROUGHT HIGH ONCE THE DIN WORD HAS BEEN CLOCKED IN.
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