參數(shù)資料
型號(hào): LTC1283AC
廠商: Linear Technology Corporation
英文描述: 3V Single Chip 10-Bit Data Acquisition System
中文描述: 3V的單芯片10位數(shù)據(jù)采集系統(tǒng)
文件頁(yè)數(shù): 22/24頁(yè)
文件大?。?/td> 452K
代理商: LTC1283AC
22
LTC1283
U
S
A
O
PPLICATI
TYPICAL
A “Quick Look” Circuit for the LTC1283
SNEAK-A-BIT is a trademark of Linear Technology Corp.
SNEAK-A-BIT
TM
The LTC1283’s unique ability to software select the polar-
ity of the differential inputs and the output word length is
used to achieve one more bit of resolution. Using the
circuit below with two conversions and some software, a
2’s complement 10-bit + sign word is returned to memory
inside the MPU. The MC68HC05C4 was chosen as an
example; however, any processor could be used.
Two 10-bit unipolar conversions are performed: the first
over a 0V to 3V span and the second over a 0V to –3V span
(by reversing the polarity of the inputs). The sign of the
input is determined by which of the two spans contain it.
Then the resulting number (ranging from –1023 to 1023
decimal) is converted to 2’s complement notation and
stored in RAM.
SNEAK-A-BIT Code
LTC1283 TA05
MC68HC05C4
SCK
MOSI
MISO
CO
–3V
0.1
μ
F
1MHz
CLOCK
OTHER
CHANNELS
OR
SNEAK-A-BIT
INPUTS
3V
LTC1283
CHO
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
DGND
V
CC
ACLK
SCLK
D
IN
D
OUT
CS
REF
+
REF
V
AGND
10
μ
F
V
IN
–3V TO 3V
SNEAK-A-BIT Circuit
D
OUT
from LTC1283 in MC68HC05C4
B10 B9
B8
B7
B6
B5
B4
B3
SIGN
LSB
LTC1283 TA07
B2
B1
B0
FILLED WITH 0’s
LOCATION $77
LOCATION $87
D
IN
Words for LTC1283
0
0
1
1
1
1
1
1
UNI
LTC1283 TA08
D
IN 1
MSBF
WORD
LENGTH
(ODD/SIGN)
MUX ADDR.
0
1
1
1
1
1
1
1
D
IN 2
0
0
1
1
1
1
1
1
D
IN 3
LTC1283 TA03
LTC1283
0.1
μ
F
4.7
μ
F
f
CHO
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
DGND
V
IN
{
TO
OSCILLOSCOPE
CD4520
CLK
EN
Q1
Q2
Q3
Q4
RESET
V
SS
CLOCK IN
500kHz MAX
3V
V
CC
ACLK
SCLK
D
IN
D
OUT
CS
REF
+
REF
V
AGND
V
DD
RESET
Q4
Q3
Q2
Q1
EN
CLK
f/64
相關(guān)PDF資料
PDF描述
LTC1283ACN 3V Single Chip 10-Bit Data Acquisition System
LTC1283ACS 3V Single Chip 10-Bit Data Acquisition System
LTC1283C 3V Single Chip 10-Bit Data Acquisition System
LTC1283CN 3V Single Chip 10-Bit Data Acquisition System
LTC1283CS 3V Single Chip 10-Bit Data Acquisition System
相關(guān)代理商/技術(shù)參數(shù)
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LTC1283ACN 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP(6x6) 包裝:托盤
LTC1283ACN#PBF 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP(6x6) 包裝:托盤
LTC1283CN 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP(6x6) 包裝:托盤
LTC1283CN#PBF 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP(6x6) 包裝:托盤
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