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參數(shù)資料
| 型號： | MAX1362MEUB+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 14/24頁 |
| 文件大小： | 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 |
| 標準包裝： | 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 |
Resetting Alarm
Reset alarms by writing to monitor-setup data. See the
Configuring Monitor Mode section and Table 10.
SMBus Alert
The SMBus-alert feature provides a quick method to
identify alarming devices on a shared interrupt. Upon
receiving an interrupt signal, the host C can broadcast
a receive byte request to the alert-response slave
address (0001100). Any slave device that generated an
interrupt attempts to identify itself by putting its own
address on the bus. The alert response can activate
several different slave devices simultaneously. If more
than one slave attempts to respond, bus arbitration
rules apply, and the device with the lower address wins
as a consequence of the open-collector bus. The losing
device does not generate an acknowledgement and
continues to hold the alert line low until serviced.
Successful reading of the alert response address de-
asserts INT.
The MAX1361/MAX1362 resume monitoring after clean-
ing an alarm-status register. INT may immediately re-
assert if a fault is still present, or if the alarm register
has not been thoroughly cleared.
Transfer Functions
Output data coding for the MAX1361/MAX1362 is bina-
ry in unipolar mode and two’s complement in bipolar
mode with 1 LSB = VREF/2
N, where N is the number of
bits. Code transitions occur halfway between succes-
sive-integer LSB values. Figures 14 and 15 show the
transfer functions for unipolar and bipolar operations,
respectively.
Layout, Grounding, and Bypassing
Only use PC boards. Wire-wrap configurations are not
recommended since the layout should ensure proper
separation of analog and digital traces. Do not run ana-
log and digital lines parallel to each other, and do not
layout digital signal paths underneath the ADC pack-
age. Use separate analog and digital PC board ground
sections with only one star point (Figure 16).
High-frequency noise in the power supply (VDD) could
influence the proper operation of the ADC’s fast com-
parator. Bypass VDD to the star ground with a network of
two parallel capacitors, 0.1F and 4.7F, located as
close as possible to the MAX1361/MAX1362 power sup-
ply. Minimize capacitor lead length for best supply noise
rejection. For extremely noisy supplies, add an attenua-
tion resistor (5
Ω) in series with the power supply.
Definitions
Integral Nonlinearity
Integral nonlinearity (INL) is the deviation of the values
on an actual transfer function from a straight line. This
straight line can be either a best straight-line fit or a line
drawn between the endpoints of the transfer function,
once offset and gain errors have been nullified. The
MAX1361/MAX1362
4-Channel, 10-Bit, System Monitor with Programmable
Trip Window and SMBus Alert Response
______________________________________________________________________________________
21
111...111
OUTPUT CODE
FS = REF + GND
ZS = GND
FULL-SCALE
TRANSITION
111...110
100...010
100...001
100...000
011...111
011...110
011...101
000...001
000...000
0
1
512
INPUT VOLTAGE (LSB)
(GND)
1 LSB =
VREF
1024
FS - 0.5 LSB
Figure 14. Unipolar Transfer Function
011...111
OUTPUT CODE
ZS = AIN-
011...110
000...010
000...001
000...000
111...111
111...110
111...101
100...001
100...000
AIN-
INPUT VOLTAGE (LSB)
+FS - 1 LSB
1 LSB =
VREF
1024
AIN-
≥
VREF
2
FS =
VREF
+ AIN-
2
-FS =
-VREF
+ AIN-
2
-FS + 0.5 LSB
Figure 15. Bipolar Transfer Function
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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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