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參數資料
| 型號： | MAX147AEPP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | +2.7Low-Power, 8-Channel, Serial 12-Bit ADCs |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-20 |
| 文件頁數： | 17/24頁 |
| 文件大小： | 198K |
| 代理商： | MAX147AEPP |
M
+2.7V, Low-Power, 8-Channel,
S erial 12-Bit ADCs
______________________________________________________________________________________
17
Hardware Power-Down
Pulling SHDN low places the converter in hardware
power-down (Table 6). Unlike software power-down
mode, the conversion is not completed; it stops coin-
cidentally with SHDN being brought low. SHDN also
controls the clock frequency in internal clock mode.
Letting SHDN float sets the internal clock frequency to
1.8MHz. When returning to normal operation with SHDN
floating, there is a t
RC
delay of approximately 2M
x C
L
,
where C
L
is the capacitive loading on the SHDN pin.
Pulling SHDN high sets internal clock frequency to
225kHz. This feature eases the settling-time requirement
for the reference voltage. With an external reference, the
MAX146/MAX147 can be considered fully powered up
within 2μs of actively pulling
SHDN
high.
POWERED UP
HARDWARE
POWER-
DOWN
POWERED UP
POWERED UP
12 DATA BITS
12 DATA BITS
INVALID
DATA
VALID
DATA
EXTERNAL
EXTERNAL
S X X X X X 1 1
S
0 0
X
X
X
X
X
X X X X X
S
1 1
SOFTWARE
POWER-DOWN
MODE
DOUT
DIN
CLOCK
MODE
SHDN
SETS EXTERNAL
CLOCK MODE
SETS EXTERNAL
CLOCK MODE
SETS SOFTWARE
POWER-DOWN
POWER-DOWN
POWERED UP
POWERED UP
DATA VALID
DATA VALID
INTERNAL
S X X X X X 1 0
S
0 0
X
X
X
X
X
S
MODE
DOUT
DIN
CLOCK
MODE
SETS INTERNAL
CLOCK MODE
SETS
POWER-DOWN
CONVERSION
CONVERSION
SSTRB
Figure 12a. Timing Diagram Power-Down Modes, External Clock
Figure 12b. Timing Diagram Power-Down Modes, Internal Clock
相關PDF資料 |
PDF描述 |
|---|---|
| MAX147BEPP | +2.7Low-Power, 8-Channel, Serial 12-Bit ADCs |
| MAX147BCAP | Flux Remover; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes |
| MAX147BEAP | +2.7Low-Power, 8-Channel, Serial 12-Bit ADCs |
| MAX146ACPP | +2.7Low-Power, 8-Channel, Serial 12-Bit ADCs |
| MAX146BCPP | +2.7Low-Power, 8-Channel, Serial 12-Bit ADCs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX147AEPP+ | 功能描述:模數轉換器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX147AMJP | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX147BC/D | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX147BCAP | 功能描述:模數轉換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX147BCAP+ | 功能描述:模數轉換器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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