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參數(shù)資料
| 型號： | ADC14161 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Low Dropout Linear 2-cell Li-Ion Charge Controller with AutoCompTM, 8.4V 8-SOIC -20 to 70 |
| 中文描述： | 低失真，自校準(zhǔn)14位，250 MSPS的，390毫瓦的A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 471K |
| 代理商： | ADC14161 |
Pin Descriptions and Equivalent Circuits
(Continued)
11
CAL
CAL is a level-sensitive digital input that, when pulsed high for at least two
clock cycles, puts the ADC into the CALIBRATE mode. Calibration should
be performed upon ADC power-up (after asserting a reset) and each time
the temperature changes by more than 50C since the ADC14161 was last
calibrated. See Section 2.3 for more information.
RESET is a level-sensitive digital input that, when pulsed high for at least 2
CLOCK cycles, results in the resetting of the ADC. This reset pulse must
be applied after ADC power-up, before calibration.
RD is the (READ) digital input that, when low, enables the output data
buffers. When this input pin is high, the output data bus is in a high
impedance state.
PD is the Power Down input that, when low, puts the converter into the
power down mode. When this pin is high, the converter is in the active
mode.
40
RESET
18
RD
44
PD
17
EOC
EOC is a digital output that, when low, indicates the availability of new
conversion results at the data output pins.
23-32
35-38
D00-13
Digital data outputs that make up the 14-bit TRI-STATE conversion results.
D00 is the LSB, while D13 is the MSB (SIGN bit) of the two’s complement
output word.
Analog Power
6, 7,
45
V
A
Positive analog supply pins. These pins should be connected to a clean,
quiet +5V source and bypassed to AGND with 0.1 μF monolithic capacitors
in parallel with 10 μF capacitors, both located within 1 cm of these power
pins.
The ground return for the analog supply. AGND and DGND should be
connected together directly beneath the ADC14161 package. See Section
5 (Layout and grounding) for more details).
5, 8,
46
AGND
A
www.national.com
4
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| ADC141S625CIMM | 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 |
| ADC141S625CIMM/NOPB | 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 |
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