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參數(shù)資料
| 型號： | MAX1455AUE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 9/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AUTO SNSR SIGNAL COND 16TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 類型： | 自動 |
| 輸入類型： | 模擬 |
| 輸出類型： | 模擬 |
| 電流 - 電源： | 6mA |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 管件 |
ATIM function uses the communication baud rate as a
timing basis. See Table 14 for details. At the end of the
period determined by ATIM[3:0], the analog signal is
disconnected from the analog output and OUT
resumes a three-state condition. The MAX1455 can
receive further commands on DIO 1 byte after resum-
ing a three-state condition on OUT. Figure 6 shows the
timing of this scheme.
The MAX1455 DIO is three-state for the duration that
the analog output is active. This is to allow OUT and
DIO to be connected in parallel. When DIO and OUT
are connected in parallel, the host computer must also
three-state its communications connection to the
MAX1455. This requirement produces periods when all
connections to the DIO are three-stated simultaneously,
making it necessary to have a weak pullup resistor
applied to DIO during these periods.
A continuous output mode is available for the analog
output and is selected by setting ATIM[3:0] to Fhex.
This mode may only be used when DIO and OUT are
separate. While in this mode and following receipt of
the RdAlg command, or any other command, DIO
three-states for a period of 32,769 byte times. Once this
period has elapsed, DIO enters receive mode and
accepts further command inputs. The analog output is
always active while in continuous mode.
Note: The internal analog signals are not buffered
when connected to OUT. Any loading of OUT while one
of these internal signals is being measured is likely to
produce measurement errors. Do not load OUT when
reading internal signals such as BDR, FSOTC, etc.
Communication Command Examples
A selection of examples of the command sequences for
various functions within the MAX1455 follows.
Example 1. Change the baud rate setting and check
communications. If the communication with the
MAX1455 is lost due to a system baud rate change
before sending the reinitialization command, apply a
power reset to guarantee the initialization condition.
MAX1455
Low-Cost Automotive Sensor Signal
Conditioner
______________________________________________________________________________________
17
Table 11. IRSP Decode
IRSP[3:0]
RETURNED VALUE
0000
DHR[7:0]
0001
DHR[15:8]
0010
IEEA[7:4], ICRA[3:0] concatenated
0011
CRIL[3:0], IRSP[3:0] concatenated
0100
ALOC[3:0], ATIM[3:0] concatenated
0101
IEEA[7:0] EEPROM address byte
0110
IEED[7:0] EEPROM data byte
0111
Temp-Index[7:0]
1000
BitClock[7:0]
1001
Reserved. Internal flash test data.
1010-1111
11001010 (CAhex). This can be used to
test communication.
Table 12. CLK Code (3MSBs of
Configuration Register)
CLK CODE (BIN)
CLOCK ADJUSTMENT (%)
011
+27
010
+18
001
+9
000
0
111
-9
110
-18
101
-27
COMMAND
ACTION
FFhex
Reinitialize part ready for baud rate learning.
Change system baud rate to new value.
01hex
Learn baud rate.
F8hex
Load 15 (Fhex) to IRSP[3:0] register.
59hex
Read IRS.
Host computer must be ready to receive
data on the serial line within 1 (baud rate)
byte time of sending the Read IRS
command. The MAX1455 returns CAhex.
(IRSP values of 10 to 15 are configured to
return CAhex for communication checking
purposes.)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1455AUE+ | 功能描述:板上安裝溫度傳感器 Automotive Sensor Signal Conditioner RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1455AUE+T | 功能描述:板上安裝溫度傳感器 Automotive Sensor Signal Conditioner RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1455AUE-T | 功能描述:板上安裝溫度傳感器 Automotive Sensor Signal Conditioner RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1455C/D | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1455C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
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