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參數(shù)資料
| 型號(hào)： | MX574AJN+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 3/18頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT HI-SPD LOWPWR 28DIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 14 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 40k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 265mW |
| 電壓電源： | 雙 ± |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類(lèi)型： | 通孔 |
| 封裝/外殼： | 28-DIP（0.600"，15.24mm） |
| 供應(yīng)商設(shè)備封裝： | 28-PDIP |
| 包裝： | 管件 |
| 輸入數(shù)目和類(lèi)型： | 2 個(gè)單端，單極；2 個(gè)單端，雙極 |
| 產(chǎn)品目錄頁(yè)面： | 1425 (CN2011-ZH PDF) |
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Maxim Integrated Products 11
MAX174/MX574A/MX674A
Industry-Standard, Complete 12-Bit ADCs
Figure 6. Low Pulse for R//C in Stand-Alone Mode
Figure 7. High Pulse for R//C in Stand-Alone Mode
Figure 8. Power-Supply Grounding Practice
Stand-Alone Operation
For systems which do not use or require full bus interfac-
ing, the MAX174/MX574A/MX674A can be operated in
a stand-alone mode directly linked through dedicated
input ports.
When configured in the stand-alone mode, conversion is
controlled by R/C. In addition, CS and A0 are wired low;
CE and 12/8 are wired high. To enable the three-state
buffers, set R/C low. A conversion starts when R/C is set
high. This allows either a high- or a low-pulse control sig-
nal. Shown in Figure 6 is the operation with a low pulse. In
this mode, the outputs, in response to the falling edge of
R/C, are forced into the high-impedance state and return
to valid logic-levels after the conversion is complete. The
STS output goes high following the R/C falling edge and
returns low when the conversion is complete.
A high-pulse conversion initiation is illustrated in Figure 7.
When R/C is high, the data lines are enabled. The next con-
version starts with the falling edge of R/C. The data lines
return and remain in high impedance state until another
R/C high pulse.
Analog Considerations
Application Hints
Physical Layout
For best system performance, PCBs should be used for
the MAX174/MX574A/MX674A. Wirewrap boards are not
recommended. The layout of the board should ensure
that digital and analog signal lines are kept separated
from each other as much as possible. Care should be
taken not to run analog and digital lines parallel to each
other or digital lines underneath the MAX174/MX574A/
MX674A.
Grounding
The recommended power-supply grounding practice is
shown in Figure 8. The ground reference point for the on-
chip reference is AGND. It should be connected directly
to the analog reference point of the system. The analog
and digital grounds should be connected together at the
package in order to gain all of the accuracy possible
from the MAX174/MX574A/MX674A in high digital noise
environments. In situations permitting, they can be con-
nected to the most accessible ground-reference point.
The preference is analog power return.
tHDR
tHS
tDS
tHRL
tC
R/C
STS
D0–11
HIGH IMPEDANCE
tHRH
tDS
R/C
STS
D0–11
tDDR
tHDR
HIGH IMPEDANCE
S/H AND
ANALOG
CIRCUITRY
DIGITAL
CIRCUITRY
VEE
GNDVCC
VEE
AGND
DGND
+5V
VL
VCC
MAX174
MX574A
MX674A
ANALOG SUPPLY
DIGITAL SUPPLY
-15V
GND
+15V
+5V
GND
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MX574AJN+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| MX574AJP | 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| MX574AJP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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 |
| MX574AJP+T | 功能描述:IC ADC 12BIT W/REF 28-PLCC RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:30 系列:- 位數(shù):12 采樣率（每秒）:10k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:108mW 電壓電源:雙 ± 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC W 包裝:管件 輸入數(shù)目和類(lèi)型:1 個(gè)單端，單極 |
| MX574AJP-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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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