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參數(shù)資料
| 型號： | LTC1196 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 8-Bit, SO-8,1MSPS ADCs(SO-8封裝，8位，1MSPS，模數(shù)轉(zhuǎn)換器（差分輸入）) |
| 中文描述： | 8位，SO - 8封裝，1MSPS模數(shù)轉(zhuǎn)換器（以SO - 8封裝，8位，1MSPS，模數(shù)轉(zhuǎn)換器（差分輸入）） |
| 文件頁數(shù)： | 24/28頁 |
| 文件大?。?/td> | 373K |
| 代理商： | LTC1196 |
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LTC1196/LTC1198
Figure 14. The Timing Diagram
U
S
A
O
PPLICATI
TYPICAL
the LTC1198 in Figure 15 can be 2.7V to 6V with f
CLK
=
5MHz. At 2.7V, f
CLK
= 5MHz will work at 25
°
C. See
Recommended Operating Conditions for limits over tem-
perature.
Hardware Description
The circuit works as follows: the LTC1198 clock line
controls the A/D conversion rate and the data shift rate.
Data is transferred in a synchronous format over D
IN
and
D
OUT
. The serial port of the TMS320C25 is compatible with
that of the LTC1198. The data shift clock lines (CLKR,
CLKX) are inputs only. The data shift clock comes from an
external source. Inverting the shift clock is necessary
because the LTC1198 and the TMS320C25 clock the input
data on opposite edges.
The schematic of Figure 15 is fed by an external clock
source. The signal is fed into the CLK pin of the LTC1198
directly. The signal is inverted with a 74HC04 and then
applied to the data shift clock lines (CLKR, CLKX). The
framing pulse of the TMS320C25 is fed directly to the CS
of the LTC1198. DX and DR are tied directly to D
IN
and
D
OUT
respectively.
Interfacing the LTC1198 to the TMS320C25 DSP
Figure 15 illustrates the interface between the LTC1198
8-bit data acquisition system and the TMS320C25 digital
signal processor (DSP). The interface, which is optimized
for speed of transfer and minimum processor supervi-
sion, can complete a conversion and shift the data in 4
μ
s
with f
CLK
= 5MHz. The cycle time, 4
μ
s, of each conversion
is limited by maximum clock frequency of the serial port
of the TMS320C25 which is 5MHz. The supply voltage for
Figure 15. Interfacing the LTC1198 to the TMS320C25 DSP
1196/98 F15
5MHz CLK
CLKX
CLKR
FSR
FSX
DX
DR
CLK
LTC1198
TMS320C25
CS
D
IN
D
OUT
CH0
CH1
70
140
210
280
350
420
490
560
TIME (ns)
630
700
770
840
910
980 1050 1120
DATA
CLK
CS
B7
B4
B6
B5
B3
B1
B2
B0
1196/98 F14
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1196_1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:8-Bit, SO-8, 1Msps ADCs with Auto-Shutdown Options |
| LTC1196-1AC | 制造商:LINER 制造商全稱:Linear Technology 功能描述:8-Bit, SO-8, 1MSPS ADCs with Auto-Shutdown Options |
| LTC11961ACS8 | 制造商:Linear Technology 功能描述: |
| LTC1196-1ACS8 | 功能描述:IC A/DCONV 8BIT 1MHZ SAMPL 8SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝: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） 供應商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| LTC1196-1ACS8#PBF | 功能描述:IC A/DCONV 8BIT 1MHZ SAMPL 8SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝: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） 供應商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
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