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| 型號(hào)： | LTC1096IN8#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 18/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC A/D CONV 8BIT SRL IN/OUT 8DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 33k |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 600µW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個(gè)差分，單極 |
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LTC1096/LTC1096L
LTC1098/LTC1098L
25
10968fc
MICROPROCESSOR INTERFACES
The LTC1096(L)/LTC1098(L) can interface directly (without
external hardware to most popular microprocessor (MPU)
synchronous serial formats (see Table 1). If an MPU without
a dedicated serial port is used, then three or four of the
MPU’s parallel port lines can be programmed to form the
serial link to the LTC1096(L)/LTC1098(L). Included here
is one serial interface example and one example showing
a parallel port programmed to form the serial interface.
Motorola SPI (MC68HC05C4,CM68HC11)
The MC68HC05C4 has been chosen as an example of
an MPU with a dedicated serial port. This MPU transfer
data MSB-rst and in 8-bit increments. With two 8-bit
transfers, the A/D result is read into the MPU. The rst
8-bit transfer sends the DIN word to the LTC1098(L) and
clocks into the processor. The second 8-bit transfer clocks
the A/D conversion result, B7 through B0, into the MPU.
ANDing the rst MUP received byte with 00Hex clears the
rst byte. Notice how the position of the start bit in the
rst MPU transmit word is used to position the A/D result
right-justied in two memory locations.
APPLICATIONS INFORMATION
TYPICAL APPLICATIONS
Effective Number of Bits
The effective number of bits (ENOBs) is a measurement
of the resolution of an A/D and is directly related to the
S/(N + D) by the equation:
ENOB = [S/(N + D) –1.76]/6.02
where S/(N + D) is expressed in dB. At the maximum sam-
pling rate of 33kHz the LTC1096 maintains 7.5 ENOBs or
better to 40kHz. Above 40kHz the ENOBs gradually decline,
as shown in Figure 12, due to increasing second harmonic
distortion. The noise oor remains approximately 70dB.
Figure 12. Dynamic Accuracy Is Maintained Up to an Input
Frequency of 40kHz
INPUT FREQUENCY (kHz)
0
EFFECTIVE
NUMBER
OF
BITS
(ENOBs)
3
4
5
10968 F12
2
1
0
20
40
6
7
8
fSAMPLE = 31.25kHz
Table 1. Microprocessor with Hardware Serial Interfaces
Compatible with the LTC1096(L)/LTC1098(L)
PART NUMBER
TYPE OF INTERFACE
Motorola
MC6805S2,S3
MC68HC11
MC68HC05
SPI
RCA
CDP68HC05
SPI
Hitachi
HD6305
HD63705
HD6301
HD63701
HD6303
HD64180
SCI Synchronous
CSI/O
National Semiconductor
COP400 Family
COP800 Family
NS8050U
HPC16000 Family
MICROWIRE
MICROWIRE/PLUS
Texas Instruments
TMS7002
TMS7042
TMS70C02
TMS70C42
TMS32011*
TMS32020
Serial Port
*Requires external hardware
MICROWIRE and MICROWIRE/PLUS are trademarks of
National Semiconductor Corp.
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| LTC1096IN8-TR | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Sampling 8-Bit Serial I/O A/D Converters |
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| LTC1096IS8 | 功能描述:IC A/D CONV 8BIT SRL IN/OUT8SOIC 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: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 |
| LTC1096IS8#PBF | 功能描述:IC A/D CONV 8BIT SRL IN/OUT8SOIC 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 |
| LTC1096IS8#TR | 功能描述:IC ADC 8BIT SERIAL I/O 5V 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(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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