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參數(shù)資料
| 型號(hào)： | LTC2365HTS8#TRMPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 6/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 1MSPS TSOT23-8 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | MICROWIRE?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 12.6mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-8 薄型，TSOT-23-8 |
| 供應(yīng)商設(shè)備封裝： | TSOT-23-8 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 輸入數(shù)目和類型： | 1 個(gè)單端，單極 |
| 產(chǎn)品目錄頁面： | 1347 (CN2011-ZH PDF) |
| 其它名稱： | LTC2365HTS8#TRMPBFDKR |
LTC2365/LTC2366
14
23656fb
For more information www.linear.com/LTC2365
Figure 10. LTC2365/LTC2366 Serial Interface Timing Diagram
applications inForMation
OVERVIEW
The LTC2365/LTC2366 use a successive approximation
algorithm and internal sample-and-hold circuit to convert
an analog signal to a 12-bit serial output. Both devices
operate from a single 2.35V to 3.6V supply. The LTC2366
samples at a rate of 3Msps with a 48MHz clock while the
LTC2365 samples at a rate of 1Msps with a 16MHz clock.
TheLTC2365/LTC2366containa12-bit,switched-capacitor
ADC, a sample-and-hold, and a serial interface (see Block
Diagram) and are available in tiny 6- and 8-lead TSOT-23
packages.Thedevicesprovidesleepmodecontrolthrough
the serial interface to save power during inactive periods
(see the SLEEP MODE section).
The S6 package of the LTC2365/LTC2366 uses VDD as the
reference and has an analog input range of 0V to VDD. The
ADC samples the analog input with respect to GND and
outputs the result through the serial interface.
The TS8 package provides two additional pins: a reference
input pin, VREF, and an output supply pin, OVDD. The ADC
can operate with reduced spans down to 1.4V and achieve
342V resolution. OVDD controls the output swing of the
digital output pin, SDO, and allows the device to com-
municate with 1.8V, 2.5V or 3V digital systems.
SERIAL INTERFACE
The LTC2365/LTC2366 communicate with microcon-
trollers, DSPs and other external circuitry via a 3-wire
interface. Figure 10 shows the serial interface timing dia-
gram, while Figures 11 and 12 detail the timing diagrams
ofconversioncyclesin14and16SCKcycles,respectively.
Data Transfer
A falling CS edge starts a conversion and frames the se-
rial data transfer. SCK provides the conversion clock and
controls the data transfer during the conversion.
CS going LOW clocks out the first leading zero and sub-
sequent SCK falling edges clock out the remaining data,
beginning with the second leading zero. (Therefore, the
first SCK falling edge captures the first leading zero and
clocks out the second leading zero). The timing diagram
in Figure 12 shows that the final bit in the data transfer is
valid on the 16th falling edge, since it is clocked out on
the previous 15th falling edge.
In applications with a slower SCK, it is possible to capture
data on each SCK rising edge. In such cases, the first
falling edge of SCK clocks out the second leading zero
and can be captured on the first rising edge. However,
the first leading zero clocked out when CS goes LOW is
missed, as shown in Figures 11 and 12. In Figure 12, the
15th falling edge of SCK clocks out the last bit and can
be captured on the 15th rising SCK edge.
If CS goes LOW while SCK is LOW, then CS clocks out the
first leading zero and can be captured on the SCK rising
edge. The next SCK falling edge clocks out the second
leading zero and can be captured on the following rising
edge, as shown in Figure 10.
1
SCK
SDO
t2
t3
t4
t7
t5
t8
ZERO
B11
B10
B9
B1
B0
ZERO
2
3
4
(MSB)
Hi-Z STATE
5
13
14
15
16
t6
tQUIET
tACQ
13tSCK
tTHROUGHPUT
tCONV
CS
t1
23656 F10
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| LTC2365IS6#TRMPBF | 功能描述:IC ADC 12BIT 1MSPS TSOT23-6 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)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| LTC2365IS6#TRPBF | 功能描述:IC ADC 12BIT 1MSPS TSOT23-6 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:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| LTC2365ITS8#PBF | 制造商:Linear Technology 功能描述:ADC Single SAR 1Msps 12-bit Serial 8-Pin TSOT-23 |
| LTC2365ITS8#TRMPBF | 功能描述:IC ADC 12BIT 1MSPS TSOT23-8 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 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| LTC2365ITS8#TRPBF | 功能描述:IC ADC 12BIT 1MSPS TSOT23-8 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:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
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