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參數(shù)資料
| 型號： | AD7883 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | LC2MOS 12-Bit, 3.3 V Sampling ADC |
| 中文描述： | LC2MOS 12位，3.3伏采樣ADC |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 349K |
| 代理商： | AD7883 |
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
LC
2
MOS
12-Bit, 3.3 V Sampling ADC
AD7883
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FUNCTIONAL BLOCK DIAGRAM
+
–
SAMPLING
COMPARATOR
CONTROL
LOGIC
SAR +
COUNTER
CLKIN
CS
CONVST
RD
BUSY
MODE
V
DD
LOW POWER
CONTROL
CIRCUIT
V
INA
V
INB
V
REF
AGND
DGND
DB0
DB11
12-BIT DAC
AD7883
THREE
STATE
BUFFERS
FEATURES
Battery-Compatible Supply Voltage: Guaranteed Specs
for V
DD
of 3 V to 3.6 V
12-Bit Monolithic A/D Converter
50 kHz Throughput Rate
15
m
s Conversion Time
5
m
s On-Chip Track/Hold Amplifier
Low Power
Power Save Mode: 1 mW typ
Normal Operation: 8 mW typ
70 dB SNR
Small 24-Lead SOIC and 0.3" DIP Packages
APPLICATIONS
Battery Powered Portable Systems
Laptop Computers
GENERAL DESCRIPTION
The AD7883 is a high speed, low power, 12-bit A/D converter
which operates from a single +3 V to +3.6 V supply. It consists
of a 5
μ
s track/hold amplifier, a 15
μ
s successive-approximation
ADC, versatile interface logic and a multiple-input-range circuit.
The part also includes a power save feature.
Fast bus access times and standard control inputs ensure easy
interfacing to modern microprocessors and digital signal
processors.
The AD7883 features a total throughput time of 20
μ
s and can
convert full power signals up to 25 kHz with a sampling fre-
quency of 50 kHz.
In addition to the traditional dc accuracy specifications such as
linearity, full-scale and offset errors, the AD7883 is also fully
specified for dynamic performance parameters including har-
monic distortion and signal-to-noise ratio.
The AD7883 is fabricated in Analog Devices’ Linear Com-
patible CMOS (LC
2
MOS) process, a mixed technology process
that combines precision bipolar circuits with low power CMOS
logic. The part is available in a 24-pin, 0.3 inch-wide, plastic
dual-in-line package (DIP) as well as a small 24-lead SOIC
package.
PRODUCT HIGHLIGHTS
1. 3 V Operation
The AD7883 is guaranteed and tested with a supply voltage
of 3 V to 3.6 V. This makes it ideal for battery-powered ap-
plications where 12-bit A/D conversion is required.
2. Fast Conversion Time
15
μ
s conversion time and 5
μ
s acquisition time allow for
large input signal bandwidth. This performance is ideally
suited for applications in areas such as telecommunications,
audio, sonar and radar signal processing.
3. Low Power Consumption
1 mW power consumption in the power-down mode makes
the part ideally suited for portable, hand held, battery pow-
ered applications.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7883BN | LC2MOS 12-Bit, 3.3 V Sampling ADC |
| AD7883BR | LC2MOS 12-Bit, 3.3 V Sampling ADC |
| AD7884 | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7884AN | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7884AP | LC2MOS 16-Bit, High Speed Sampling ADCs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7883BN | 制造商:Analog Devices 功能描述:ADC Single SAR 50ksps 12-bit Parallel 24-Pin SOIC W 制造商:Rochester Electronics LLC 功能描述:12 BIT A/D CONVERTER IC - Bulk |
| AD7883BR | 制造商:Analog Devices 功能描述:ADC Single SAR 50ksps 12-bit Parallel 24-Pin SOIC W 制造商:Analog Devices 功能描述:ADC SGL SAR 50KSPS 12-BIT PARALLEL 24SOIC W - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:12 BIT A/D CONVERTER IC - Bulk |
| AD7883BR-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 50ksps 12-bit Parallel 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 50KSPS 12-BIT PARALLEL 24SOIC W - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:12 BIT A/D CONVERTER IC - Tape and Reel |
| AD7884AP | 制造商:Analog Devices 功能描述:ADC Single 2-Step Flash 166ksps 16-bit Parallel 44-Pin PLCC 制造商:Rochester Electronics LLC 功能描述:16-BIT PARAL.SAMPL.ADC IC - Bulk |
| AD7884AP-REEL | 制造商:Analog Devices 功能描述:ADC Single 2-Step Flash 166ksps 16-bit Parallel 44-Pin PLCC T/R 制造商:Rochester Electronics LLC 功能描述:16-BIT PARAL.SAMPL ADC IC - Tape and Reel |
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