參數(shù)資料
型號(hào)： LTC1594LIS
廠商： LINEAR TECHNOLOGY CORP
元件分類： ADC
英文描述： 4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters
中文描述： 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
封裝： 0.150 INCH, PLASTIC, SO-16
文件頁(yè)數(shù)： 11/24頁(yè)
文件大?。?/td> 278K
代理商： LTC1594LIS
11
LTC1594L/LTC1598L
APPLICATIO
S I
N
FOR
ATIO
U
W
U
Figure 2. LTC1594L/LTC1598L Operating Sequence Example: All Channels Off
CLK
EN
D1
D2
t
CYC
Hi-Z
D
OUT
CH0 TO
CH7
D
IN
t
CONV
Hi-Z
t
suCS
NULL
BIT
D0
t
OFF
D0N‘T CARE
ADCIN =
MUXOUT
COM = GND
1594L/98L F02
DUMMY CONVERSION
CSMUX = CSADC = CS
break-before-make interval, t
OPEN
. After a delay of t
ON
(t
OFF
+ t
OPEN
), the selected channel is switched on,
allowing the ADC in the chip to acquire input signal and
start the conversion (see Figures 1 and 2). After 1 null bit,
the result of the conversion is output on the D
OUT
line.
The selected channel remains on, until the next falling
edge of CS. At the end of the data exchange, CS should
be brought high. This resets the LTC1594L/LTC1598L
and initiates the next data exchange.
D
IN1
D
IN2
D
OUT1
D
OUT2
CS
SHIFT MUX
ADDRESS IN
t
SMPL
+ 1 NULL BIT
SHIFT A/D CONVERSION
RESULT OUT
1594L/98L AI01
Break-Before-Make
The LTC1594L/LTC1598L provide a break-before-make
interval from switching off all the channels simulta-
neously to switching on the next selected channel once
CS is pulled low. In other words, once CS is pulled low,
Data Transfer
The CLK synchronizes the data transfer with each bit
being transmitted on the falling CLK edge and captured
on the rising CLK edge in both transmitting and receiving
systems.
The LTC1594L/LTC1598L first receive input data and
then transmit back the A/D conversion results (half
duplex). Because of the half duplex operation, D
IN
and
D
OUT
may be tied together allowing transmission over
just 3 wires: CS, CLK and DATA (D
IN
/D
OUT
).
Data transfer is initiated by a rising chip select (CS)
signal. After CS rises, the input data on the D
IN
pin is
latched into a 4-bit register on the rising edge of the clock.
More than four input bits can be sent to the D
IN
pin
without problems, but only the last four bits clocked in
before CS falls will be stored into the 4-bit register. This
4-bit input data word will select the channel in the
muliplexer (see Input Data Word and Tables 1 and 2). To
ensure correct operation, the CS must be pulled low
before the next rising edge of the clock.
Once the CS is pulled low, all channels are simulta-
neously switched off after a delay of t
OFF
to ensure a
相關(guān)PDF資料
PDF描述
LTC1598LIG 4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters
LTC1598L 4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters
LTC1598LCG Replaced by ADS7961 : 8-Bit, 76 kSPS ADC Serial Out, On-Chip 20 Ch. Analog Mux, 19 Ch. 28-PLCC
LTC1594L 4- Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters(四通道,3V微功耗采樣12位串行輸入/輸出模數(shù)轉(zhuǎn)換器)
LTC1594 8-Bit, 40 kSPS ADC Serial-Out, On-Chip 12-Ch. Analog Mux, 11 Ch. 20-SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1594LIS#PBF 功能描述:IC A/D CONV 12BIT SRL 4CH 16SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個(gè)單端，單極；2 個(gè)差分，單極 產(chǎn)品目錄頁(yè)面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6
LTC1594LIS#TR 功能描述:IC ADC 12BIT 3V 4CH SAMPL 16SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極
LTC1594LIS#TRPBF 功能描述:IC A/D CONV 12BIT SRL 4CH 16SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極
LTC1595ACN8 功能描述:IC D/A CONV 16BIT MULTPLYNG 8DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 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:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁(yè)面:1398 (CN2011-ZH PDF)
LTC1595ACN8#PBF 功能描述:IC D/A CONV 16BIT MULTPLYNG 8DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 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:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁(yè)面:1398 (CN2011-ZH PDF)
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