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參數(shù)資料
| 型號： | MAX1362MEUB+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SYSTEM MON 10BIT 4CH 10-UMAX |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 150k |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 2mW |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-µMAX |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 4 個單端，單極；4 個單端，雙極；2 個差分，單極；2 個差分，雙極 |
MAX1361/MAX1362
contains D7–D0. To read the next conversion result,
issue an ACK. To stop reading, issue a NACK.
When the MAX1361/MAX1362 receive a NACK, they
release SDA allowing the master to generate a STOP or
a repeated START condition.
Monitor Mode
Monitor-Mode Overview
The MAX1361/MAX1362 automatically monitor up to four
input channels. For systems with limited I2C bandwidth,
monitor mode allows the C to set a window by
programming lower and upper thresholds during initial-
ization, and only intervening if the MAX1361/MAX1362
detect an alarm condition. This allows an interrupt-driven
approach as an alternative to continuously polling the
ADC with the C. Monitor mode reduces processor over-
head and conserves I2C bandwidth.
The following shows an example of events in monitor
mode:
1) Fault condition(s) detected, INT asserted.
2) Host C services interrupt and send SMBus alert to
identify the alarming device. The MAX1361/
MAX1362 respond with the I2C slave address,
pending arbitration rules. (See the
SMBus Alert sec-
tion.)
3) The MAX1361/MAX1362 release the INT.
4) Host-C reads the alarm-status register, latched-
fault register, and current-conversion results to
determine the alarming channel(s) and course of
action.
5) Host C services alarm(s); adjusts system parame-
ters as needed and/or adjust lower and upper
thresholds.
6) Clears the alarm register. See the
Configuring
Monitor Mode section.
7) Monitor mode resumes.
8) If there is still an active fault, the device asserts INT
again. See step 1.
Writing SCAN1 and SCAN0 bits = [1,0] in the configura-
tion byte activates monitor mode. The MAX1361/
MAX1362 scan from channels 0 up to the channel
selected by [CS1:CS0] at a rate determined by the
scan delay bits. The MAX1361/MAX1362 compare the
conversion results with the lower and upper thresholds
for each channel. When any conversion exceeds the
threshold, the MAX1361/MAX1362 assert an interrupt
by pulling INT low (if enabled). The MAX1361/
MAX1362 set the corresponding flag bit in the alarm-
status register and write conversion results to the
latched-fault register to record the event causing the
alarm condition.
INT active state is randomly delayed with respect to the
conversion. Depending on the number of channels
scanned and the position in the channel scan
sequence, the maximum possible delay for asserting
INT is five conversion periods (34s typ, delay = 0,0,0).
Configuring Monitor Mode
To write monitoring setup data, set the monitor-setup bit
(bit 0 in setup byte) to 1 to extend writing up to 104 bits
(13 bytes) of monitoring setup data. The number of bits
written to the MAX1361/MAX1362 depends on whether
the part is in single-ended or differential mode and
whether the upper channel limit is set by [CS1:CS0]
(Table 9).
Terminate writing at any time by using a STOP or
repeated START condition. Previous monitoring setup
data not overwritten remains valid.
4-Channel, 10-Bit, System Monitor with Programmable
Trip Window and SMBus Alert Response
18
______________________________________________________________________________________
ACK
1, CH ADD, 10b/12b, 1,1
RESULT (2 MSBs)
RESULT N (8 LSBs)
tACQ
CONVERSION 1
tACQ
CONVERSION N
START
ADDRESS
FROM THE MASTER
1, CH ADD, 10b/12b
1,1 RESULT (2 MSBs)
RESULT (8 LSBs)
1
ACK
R/W
Figure 13. Example of Scan-Mode Conversions Using the External Clock, SCAN = 0,0 and 0,1
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參數(shù)描述 |
|---|---|
| MAX1362MEUB+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 4Ch 150ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1362MEUB+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 4Ch 150ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1362MEUB-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1363EUB | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1363EUB+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4Ch 133ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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