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參數(shù)資料
| 型號(hào)： | MAX118EAI+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 8BIT 1MSPS 28-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 46 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 3 |
| 功率耗散（最大）： | 762mW |
| 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： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 8 個(gè)單端，單極 |
Pipelined Operation
Besides the two standard write-read-mode options,
pipelined operation can be achieved by connecting
WR to RD (Figure 6). With CS low, driving WR and RD
low initiates a conversion and concurrently reads the
result of the previous conversion.
_____________Analog Considerations
Reference
Figures 7a, 7b, and 7c show typical reference connec-
tions. The voltages at REF+ and REF- set the ADC’s
analog input range (see Figure 10). The voltage at REF-
defines the input that produces an output code of all
zeros, and the voltage at REF+ defines the input that
produces an output code of all ones.
The internal resistance from REF+ to REF- can be as
low as 1k
, and current will flow through it even when
the MAX114/MAX118 are shut down. Figure 7d shows
how an N-channel MOSFET can be connected to REF-
MAX114/MAX118
+5V, 1Msps, 4 & 8-Channel,
8-Bit ADCs with 1A Power-Down
_______________________________________________________________________________________
9
REF-
VDD
IN_
REF+
VIN+
VIN-
GND
+5V
0.1
F
4.7
F
MAX114
MAX118
Figure 7a. Power Supply as Reference
REF-
VDD
MX584
IN_
REF+
VIN+
VIN-
GND
+5V
C1
0.1F
4.7F
MAX114
MAX118
Figure 7b. External Reference, 4.096V Full Scale
REF-
REF+
0.1F
* CURRENT PATH MUST STILL
EXIST FROM VIN- TO GND
R*
IN_
VIN-
VDD
VIN+
GND
+5V
+2.5V
4.7F
0.1F
MAX114
MAX118
Figure 7c. Input Not Referenced to GND
REF-
VDD
MAX874
REF+
+5V
0.1F
C1
3.3F
PWRDN
N-FET*
* IRML2402
MAX114
MAX118
Figure 7d. An N-channel MOSFET switches off the reference
load during power-down
tACQ
tINTL
RD, WR
INT
NEW DATA (N)
tWR
tACQ
tAH
tCSH
tIHWR
tCSS
tID
OLD DATA (N - 1)
D0–D7
ADDRESS
VALID (N)
ADDRESS
VALID (N + 1)
A0–A2
CS
Figure 6. Pipelined Mode Timing (
WR = RD) (MODE = 1)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX118EAI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 8Ch 1Msps 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 |
| MAX118EAI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 8Ch 1Msps 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 |
| MAX118EAI-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 |
| MAX118EPI | 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 |
| MAX118EPI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 8Ch 1Msps 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 |
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