AD7575AQ

更新时间： 2024-02-28 23:53:45

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	149K
描述
LC2MOS 5 us 8-Bit ADC with Track/Hold

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AD7575AQ 数据手册

LC²MOS

5 ␮s 8-Bit ADC with Track/Hold

AD7575

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Fast Conversion Time: 5 ␮s

On-Chip Track/Hold

Low Total Unadjusted Error: 1 LSB

Full Power Signal Bandwidth: 50 kHz

Single +5 V Supply

TRACK

AND

HOLD

AD7575

AIN

COMP

100 ns Data Access Time

Low Power (15 mW typ)

Low Cost

AGND

DAC

SAR

REF

Standard 18-Lead DlPs or 20-Terminal

Surface Mount Packages

CLOCK

OSCILLATOR

CLK

DB7

DB0

LATCH AND

THREE STATE

OUTPUT DRIVERS

CONTROL

LOGIC

GENERAL DESCRIPTION

BUSY

DGND

The AD7575 is a high speed 8-bit ADC with a built-in track/

hold function. The successive approximation conversion tech-

nique is used to achieve a fast conversion time of 5 µs, while the

built-in track/hold allows full-scale signals up to 50 kHz (386 mV/µs

slew rate) to be digitized. The AD7575 requires only a single +5 V

supply and a low cost, 1.23 V bandgap reference in order to convert

PRODUCT HIGHLIGHTS

1. Fast Conversion Time/Low Power

The fast, 5 µs, conversion time of the AD7575 makes it

suitable for digitizing wideband signals at audio and ultra-

sonic frequencies while retaining the advantage of low

CMOS power consumption.

an input signal range of 0 to 2 V_REF

The AD7575 is designed for easy interfacing to all popular 8-bit

microprocessors using standard microprocessor control signals

(CS and RD) to control starting of the conversion and reading of

the data. The interface logic allows the AD7575 to be easily

configured as a memory mapped device, and the part can be

interfaced as SLOW-MEMORY or ROM. All data outputs of

the AD7575 are latched and three-state buffered to allow direct

connection to a microprocessor data bus or I/O port.

2. On-Chip Track/Hold

The on-chip track/hold function is completely self-contained

and requires no external hold capacitor. Signals with slew

rates up to 386 mV/µs (e.g., 2.46 V peak-to-peak 50 kHz sine

waves) can be digitized with full accuracy.

3. Low Total Unadjusted Error

The zero, full-scale and linearity errors of the AD7575 are so

low that the total unadjusted error at any point on the trans-

fer function is less than 1 LSB, and offset and gain adjust-

ments are not required.

The AD7575 is fabricated in an advanced, all ion-implanted high

speed Linear Compatible CMOS (LC²MOS) process and is

available in a small, 0.3" wide, 18-lead DIP, 18-lead SOIC or in

other 20-terminal surface mount packages.

4. Single Supply Operation

Operation from a single +5 V supply with a low cost +1.23 V

bandgap reference allows the AD7575 to be used in 5 V

microprocessor systems without any additional power

supplies.

5. Fast Digital Interface

Fast interface timing allows the AD7575 to interface easily to

the fast versions of most popular microprocessors such as the

Z80H, 8085A-2, 6502B, 68B09 and the DSP processor, the

TMS32010.

REV. B

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.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7...12

中文翻译

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AD7575AQ 替代型号

型号	品牌	替代类型	描述	数据表
AD7575BQ	ADI	类似代替	LC2MOS 5 us 8-Bit ADC with Track/Hold
MX7575JN+	MAXIM	功能相似	ADC, Successive Approximation, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, PD
AD7575JNZ	ADI	功能相似	LC2MOS 5ums 8-Bit ADC with Track/Hold

与AD7575AQ相关器件

型号	品牌	获取价格	描述	数据表
AD7575BQ	ROCHESTER	获取价格	ADC, Successive Approximation, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, CD
AD7575BQ	MAXIM	获取价格	ADC, Successive Approximation, 8-Bit, 1 Func, CMOS, CDIP18,
AD7575BQ	ADI	获取价格	LC2MOS 5 us 8-Bit ADC with Track/Hold
AD7575J/D	ETC	获取价格	Analog-to-Digital Converter， 8-Bit
AD7575JCWN	ETC	获取价格	Analog-to-Digital Converter， 8-Bit
AD7575JEWN	ETC	获取价格	Analog-to-Digital Converter， 8-Bit
AD7575JN	ADI	获取价格	LC2MOS 5 us 8-Bit ADC with Track/Hold
AD7575JNZ	ADI	获取价格	LC2MOS 5ums 8-Bit ADC with Track/Hold
AD7575JNZ	ROCHESTER	获取价格	ADC, Successive Approximation, 8-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, PD
AD7575JP	ADI	获取价格	LC2MOS 5 us 8-Bit ADC with Track/Hold

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