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參數(shù)資料
| 型號： | MAX1364MEUB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SYSTEM MON 12BIT 4CH 10-UMAX |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 133k |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 444.4mW |
| 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） |
| 供應商設備封裝： | 10-µMAX |
| 包裝： | 帶卷 (TR) |
| 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 |
MAX1363/MAX1364
Readback Mode
Select readback mode by setting CS3, CS2 to [1,1] in
the configuration byte. Begin a read operation to start
reading back monitor-setup data. Clock out delay bit
settings, INT_EN bit, and the lower and upper thresh-
olds programmed for each channel. Readback mode
follows exactly the same format as writing to the moni-
tor-setup data, with the exception of the first 4 alarm-
reset bits, which are always 1 (Table 13).
Reading in Monitor Mode
Reading in monitor mode reads back the alarm-status
register, latched-fault register, and current-conversion
results as shown in Table 14.
The MAX1363/MAX1364 register pointer loops back to
the beginning of the current-conversion result after
reading the last conversion result. Stop reading at any
time by asserting a STOP condition or NACK.
Note: The MAX1363/MAX1364 do not update the cur-
rent-conversion results register while reading in monitor
mode. Monitor mode resumes after a STOP condition
or NACK.
Alarm-Status Register and Latched-Fault Register
The latched-fault register records a snapshot of the
alarming channel at the instance that a fault condition is
asserted. An alarm-status bit of 1 (Table 15) indicates a
fault, and the data in the latched-fault register of the
corresponding channel contains the conversion result
that caused the alarm to trip. Resetting alarms does not
clear the latched-fault register, thus the latched-fault
register contains valid data only if an alarm status bit is
high for the given channel.
The current-conversion register contains the most
recent conversion results. If the user attempts to read
past the last result of the current-conversion register,
the MAX1363/MAX1364 wraps back to the beginning of
the current-conversion result.
The latched-fault register and current-conversion regis-
ter follow the data format in the
Reading a Conversion
(
Read Cycle) section. Register length depends on the
number of conversions in one monitoring sequence.
For example, when channel pairs 0/1 and channels 2/3
are monitored differentially, there are only two conver-
sion results to report. The latched-fault register is 2 x 16
bits long, after which two current-conversion results fol-
low. Likewise, if CS0 and CS1 limit the upper bound of
the channel scan range from CH0 to CH2 in single-
ended mode, the latched-fault register clocks out 3 x
16 bits of data followed by the current-conversion
results, also 3 x 16 bits.
4-Channel, 12-Bit System Monitors with Programmable
Trip Window and SMBus Alert Response
20
______________________________________________________________________________________
ALARM RESET/SCAN SPEED
AIN0
THRESHOLDS
AIN1 THRESHOLDS
(SKIP IF DIFFERENTIAL
MODE OR CS1, CS0 < 1)
AIN2 THRESHOLDS
(SKIP IF CS1, CS0 < 2)
AIN3 THRESHOLDS
(SKIP IF DIFFERENTIAL
MODE OR CS1, CS0 < 3)
1
D2 D1 D0 INT
24 bits
Table 13. Readback-Mode Format
ALARM-STATUS REGISTER
LATCHED-FAULT REGISTER
CURRENT-CONVERSION RESULTS
8 bits
16, 32, 48, or 64 bits
Table 14. Reading in Monitor-Mode Data Format
CH0 UP
CH0 LOW
CH1 UP
CH1 LOW
CH2 UP
CH2 LOW
CH3 UP
CH3 LOW
0/1
Table 15. Alarm-Status Register
0 = Not-alarm condition.
1 = Alarm condition.
AIN0
AIN1
AIN2
AIN3
16-bit read
Table 16. Latched-Fault and Current-
Conversion Register
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