參數(shù)資料
型號(hào)： ADC12040CIVY
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： ADC
英文描述： 12-Bit, 40 MSPS, 340 mW A/D Converter with Internal Sample-and-Hold
中文描述： 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP32
封裝： LQFP-32
文件頁(yè)數(shù)： 4/20頁(yè)
文件大小： 519K
代理商： ADC12040CIVY
Pin Descriptions and Equivalent Circuits
(Continued)
Pin No.
Symbol
Equivalent Circuit
Description
14–19,
22–27
D0–D11
Digital data output pins that make up the 12-bit conversion
results. D0 is the LSB, while D11 is the MSB of the offset
binary output word. Output levels are TTL/CMOS compatible.
ANALOG POWER
5, 6, 29
V
A
Positive analog supply pins. These pins should be connected
to a quiet +5V voltage source and bypassed to AGND with
0.1 μF monolithic capacitors located within 1 cm of these
power pins, and with a 10 μF capacitor.
The ground return for the analog supply.
4, 7, 28
DIGITAL POWER
AGND
13
V
D
Positive digital supply pin. This pin should be connected to
the same quiet +5V source as is V
A
and bypassed to DGND
with a 0.1 μF monolithic capacitor in parallel with a 10 μF
capacitor, both located within 1 cm of the power pin.
The ground return for the digital supply.
Positive digital supply pin for the ADC12040’s output drivers.
This pin should be connected to a voltage source of +2.5V to
+5V and bypassed to DR GND with a 0.1 μF monolithic
capacitor. If the supply for this pin is different from the supply
used for V
A
and V
D
, it should also be bypassed with a 10 μF
tantalum capacitor. V
DR
should never exceed the voltage on
V
D
. All bypass capacitors should be located within 1 cm of the
supply pin.
The ground return for the digital supply for the ADC12040’s
output drivers. This pin should be connected to the system
digital ground, but not be connected in close proximity to the
ADC12040’s DGND or AGND pins. See Section 5 (Layout
and Grounding) for more details.
9, 12
DGND
21
V
DR
20
DR GND
A
www.national.com
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參數(shù)描述
ADC12040CIVY/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
ADC12040CIVYX 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
ADC12040CIVYX/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
ADC12040EVAL 功能描述:模數(shù)轉(zhuǎn)換器 - ADC ADC12040 EVAL BOARD 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
ADC12041 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit Plus Sign 216 kHz Sampling Analog-to-Digital Converter
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