Datasheet > AD7492ARUZ-5-REEL

AD7492ARUZ-5-REEL

更新时间： 2024-11-15 14:32:43

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管转换器
页数	文件大小	规格书
25页	388K
描述
1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24, LEAD FREE, MS-153AD, TSSOP-24

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1.25 MSPS, 16 mW Internal REF and CLK,

12-Bit Parallel ADC

AD7492

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Specified for VDD of 2.7 V to 5.25 V

Throughput rate of 1 MSPS (AD7492)

Throughput rate of 1.25 MSPS (AD7492-5)

Throughput rate of 400 kSPS (AD7492-4)

Low power

DRIVE

REF OUT

2.5V

REF

CLOCK

OSCILLATOR

BUF

4 mW typ at 1 MSPS with 3 V supplies

11 mW typ at 1 MSPS with 5 V supplies

Wide input bandwidth

DB11

DB0

OUTPUT

DRIVERS

12-BIT SAR

ADC

T/H

70 dB typ SNR at 100 kHz input frequency

2.5 V internal reference

On-chip CLK oscillator

Flexible power/throughput rate management

No pipeline delays

High speed parallel interface

Sleep mode: 50 nA typ

PS/FS

CONTROL

LOGIC

CONVST

AD7492

BUSY

DGND

24-lead SOIC and TSSOP packages

AGND

Figure 1.

GENERAL DESCRIPTION

The type of sleep mode is hardware selected by the PS/ pin.

The AD7492, AD7492-4, and AD7492-5 are 12-bit high speed,

low power, successive approximation ADCs. The parts operate

from a single 2.7 V to 5.25 V power supply and feature

throughput rates up to 1.25 MSPS. They contain a low noise,

wide bandwidth track/hold amplifier that can handle

bandwidths up to 10 MHz.

Using these sleep modes allows very low power dissipation

numbers at lower throughput rates.

The analog input range for the part is 0 V to REFIN. The

2.5 V reference is supplied internally and is available for

external referencing. The conversion rate is determined by the

internal clock.

The conversion process and data acquisition are controlled

using standard control inputs allowing for easy interface to

microprocessors or DSPs. The input signal is sampled on the

PRODUCT HIGHLIGHTS

CONVST

falling edge of

and conversion is also initiated at this

1. High Throughput with Low Power Consumption. The

AD7492-5 offers 1.25 MSPS throughput with 16 mW

power consumption.

point. The BUSY pin goes high at the start of conversion and

goes low 880 ns (AD7492/AD7492-4) or 680 ns (AD7492-5)

later to indicate that the conversion is complete. There are no

pipeline delays associated with the part. The conversion result is

2. Flexible Power/Throughput Rate Management. The

conversion time is determined by an internal clock. The

part also features two sleep modes, partial and full, to

maximize power efficiency at lower throughput rates.

accessed via standard

parallel interface.

and

signals over a high speed

The AD7492 uses advanced design techniques to achieve very

low power dissipation at high throughput rates. With 5 V

supplies and 1.25 MSPS, the average current consumption

AD7492-5 is typically 2.75 mA. The part also offers flexible

power/throughput rate management.

3. No Pipeline Delay. The part features a standard successive

approximation ADC with accurate control of the sampling

CONVST

instant via a

control.

input and once-off conversion

4. Flexible Digital Interface. The V_DRIVEfeature controls the

voltage levels on the I/O digital pins.

It is also possible to operate the part in a full sleep mode and a

partial sleep mode, where the part wakes up to do a conversion

and automatically enters a sleep mode at the end of conversion.

5. Fewer Peripheral Components. The AD7492 optimizes

PCB space by using an internal reference and internal CLK.

Rev. A

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 ofthird parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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AD7492ARUZ-5-REEL 替代型号

型号	品牌	替代类型	描述	数据表
AD7492ARUZ-5-REEL7	ADI	完全替代	1MSPS, 4mW Internal Ref & Clk, 12-Bit Parallel ADC

与AD7492ARUZ-5-REEL相关器件

型号	品牌	获取价格	描述	数据表
AD7492ARUZ-5-REEL1	ADI	获取价格	1.25 MSPS, 16 mW Internal REF and CLK, 12-Bit Parallel ADC
AD7492ARUZ-5-REEL7	ADI	获取价格	1MSPS, 4mW Internal Ref & Clk, 12-Bit Parallel ADC
AD7492ARUZ-5-REEL71	ADI	获取价格	1.25 MSPS, 16 mW Internal REF and CLK, 12-Bit Parallel ADC
AD7492ARUZ-REEL	ADI	获取价格	1.25 MSPS, 16 mW Internal REF 12-Bit Parallel ADC
AD7492ARUZ-REEL1	ADI	获取价格	1.25 MSPS, 16 mW Internal REF and CLK, 12-Bit Parallel ADC
AD7492ARUZ-REEL7	ADI	获取价格	1.25 MSPS, 16 mW Internal REF 12-Bit Parallel ADC
AD7492ARUZ-REEL71	ADI	获取价格	1.25 MSPS, 16 mW Internal REF and CLK, 12-Bit Parallel ADC
AD7492ARZ	ADI	获取价格	1.25 MSPS, 16 mW Internal REF and CLK, 12-Bit Parallel ADC
AD7492ARZ-5	ADI	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24, LEAD FREE, MS-013AD,
AD7492ARZ-51	ADI	获取价格	1.25 MSPS, 16 mW Internal REF and CLK, 12-Bit Parallel ADC

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