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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 519K |
| 代理商： | ADC12040CIVY |
ADC12040
12-Bit, 40 MSPS, 340 mW A/D Converter with Internal
Sample-and-Hold
General Description
The ADC12040 is a monolithic CMOS analog-to-digital con-
verter capable of converting analog input signals into 12-bit
digital words at 40 Megasamples per second (MSPS), mini-
mum. This converter uses a differential, pipeline architecture
with digital error correction and an on-chip sample-and-hold
circuit to minimize die size and power consumption while
providing excellent dynamic performance. Operating on a
single 5V power supply, this device consumes just 340 mW
at 40 MSPS, including the reference current. The Power
Down feature reduces power consumption to 40 mW.
The differential inputs provide a full scale input swing equal
to V
with the possibility of a single-ended input. Full use
of the differential input is recommended for optimum perfor-
mance. For ease of use, the buffered, high impedance,
single-ended reference input is converted on-chip to a differ-
ential reference for use by the processing circuitry. Output
data format is 12-bit offset binary.
This device is available in the 32-lead LQFP package and
will operate over the industrial temperature range of 40C to
+85C.
Features
n
Single supply operation
n
Internal sample-and-hold
n
Outputs 2.5V to 5V compatible
n
TTL/CMOS compatible input/outputs
n
Low power consumption
n
Power down mode
n
On-chip reference buffer
Key Specifications
n
Resolution
n
Conversion Rate
n
DNL
n
INL
n
SNR (f
IN
= 10MHz)
n
ENOB (f
IN
= 10MHz)
n
Data Latency
n
Supply Voltage
n
Power Consumption, 40 MHz
12 Bits
40 MSPS (min)
±
0.4 LSB (typ)
±
0.7 LSB (typ)
69 dB (typ)
11.2 bits (typ)
6 Clock Cycles
+5V
±
5%
340 mW (typ)
Applications
n
Ultrasound and Imaging
n
Instrumentation
n
Cellular Base Stations/Communications Receivers
n
Sonar/Radar
n
xDSL
n
Wireless Local Loops/Cable Modems
n
HDTV/DTV
n
DSP Front Ends
Connection Diagram
20014801
June 2003
A
2003 National Semiconductor Corporation
DS200148
www.national.com
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| 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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