參數(shù)資料
型號(hào)： LTC1418AIN
廠商： LINEAR TECHNOLOGY CORP
元件分類： ADC
英文描述： Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O
中文描述： 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PDIP28
封裝： 0.300 INCH, PLASTIC, DIP-28
文件頁(yè)數(shù)： 17/28頁(yè)
文件大小： 712K
代理商： LTC1418AIN
17
LTC1418
APPLICATIO
S I
N
FOR
ATIO
U
W
U
Figure 12d. Suggested Evaluation Circuit Board—Solder Side Layout
1418 F12d
Bypass capacitors must be located as close to the pins as
possible. The traces connecting the pins and the bypass
capacitors must be kept short and should be made as wide
as possible.
Example Layout
Figures 12a, 12b, 12c and 12d show the schematic and
layout of a suggested evaluation board. The layout demon-
strates the proper use of decoupling capacitors and ground
plane with a 2-layer printed circuit board.
DIGITAL INTERFACE
The LTC1418 can operate in serial or parallel mode. In
parallel mode the ADC is designed to interface with micro-
processors as a memory mapped device. The CS and RD
control inputs are common to all peripheral memory
interfacing. In serial mode only four digital interface lines
are required, SCLK, CONVST, EXTCLKIN and D
OUT
. SCLK,
the serial data shift clock can be an external input or
supplied by the LTC1418 internal clock.
Internal Clock
The ADC has an internal clock. In parallel output mode the
internal clock is always used as the conversion clock. In
serial output mode either the internal clock or an external
clock may be used as the conversion clock (see Figure 20).
The internal clock is factory trimmed to achieve a typical
conversion time of 3.4
μ
s and a maximum conversion time
over the full operating temperature range of 4
μ
s. No exter-
nal adjustments are required, and with the guaranteed maxi-
mum acquisition time of 1
μ
s, throughput performance of
200ksps is assured.
Power Shutdown
The LTC1418 provides two power shutdown modes, nap
and sleep, to save power during inactive periods. The nap
mode reduces the power by 80% and leaves only the
digital logic and reference powered up. The wake-up time
from nap to active is 500ns (see Figure 13a). In sleep
mode all bias currents are shut down and only leakage
current remains—about 2
μ
A. Wake-up time from sleep
相關(guān)PDF資料
PDF描述
LTC1418C Quad, Low Voltage, LinCMOS(TM) Differential Comparator 14-PDIP
LTC1418CG Quad, Low Voltage, LinCMOS(TM) Differential Comparator 14-PDIP
LTC1418CN Quad, Low Voltage, LinCMOS(TM) Differential Comparator 14-TSSOP
LTC1418I Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O
LTC1418IN Low Power, 14-Bit, 200ksps ADC with Serial and Parallel I/O
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LTC1418CG 功能描述:IC A/D CONV 14BIT SRL&PAR 28SSOP 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
LTC1418CG#PBF 功能描述:IC A/D CONV 14BIT SRL&PAR 28SSOP 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(yè)面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
LTC1418CG#TR 功能描述:IC A/D CONV 14BIT SRL&PAR 28SSOP 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
LTC1418CG#TRPBF 功能描述:IC A/D CONV 14BIT SRL&PAR 28SSOP 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
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