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AD7992BRMZ-0REEL

更新时间： 2024-11-06 12:21:27

品牌	Logo	应用领域
亚德诺 - ADI		转换器模数转换器光电二极管
页数	文件大小	规格书
28页	934K
描述
2-Channel, 12-Bit ADC with I2C-Compatible

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替代型号

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AD7992BRMZ-0REEL 数据手册

2-Channel, 12-Bit ADC with I²C-Compatible

Interface in 10-Lead MSOP

AD7992

FUNCTIONAL BLOCK DIAGRAM

FEATURES

GND

CONVST

12-bit ADC with fast conversion time: 2 µs typ

2 single-ended analog input channels

Specified for V_DDof 2.7 V to 5.5 V

Low power consumption

AD7992

12-BIT SUCCESSIVE

APPROXIMATION

ADC

CONTROL

LOGIC

I/P

MUX

T/H

2/REF

Fast throughput rate: up to 188 kSPS

Sequencer operation

Temperature range: −40 °C to 125 °C

Automatic cycle mode

I²C®-compatible serial interface supports standard, fast,

and high speed modes

Out-of-range indicator/alert function

Pin-selectable addressing via AS

2 versions allow 5 I²C addresses

Shutdown mode: 1 µA max

VIN2/REFIN

SOFTWARE

CONTROL

DATA

LIMIT

HIGH

CONVERSION

RESULT

HYSTERESIS

DATA

LIMIT

LOW

CONFIGURATION

ALERT

DATA

LIMIT

HIGH

ALERT STATUS

HYSTERESIS

DATA

LIMIT

LOW

CYCLE TIMER

SCL

SDA

I C INTERFACE

10-lead MSOP package

GND

GENERAL DESCRIPTION

Figure 1.

The AD7992 is a 12-bit, low power, successive approximation

ADC with an I²C-compatible interface. The part operates from

a single 2.7 V to 5.5 V power supply and features a 2 µs conver-

sion time. The part contains a 2-channel multiplexer and track-

and-hold amplifier that can handle input frequencies up to

11 MHz.

PRODUCT HIGHLIGHTS

1. 2 µs conversion time and low power consumption.

2. I²C-compatible serial interface with pin-selectable

addresses. Two AD7992 versions allow five AD7992

devices to be connected to the same serial bus.

The AD7992 provides a 2-wire serial interface compatible with

I²C interfaces. The part comes in two versions, the AD7992-0

and the AD7992-1, and each version allows for at least two

different I²C addresses. The AD7992-0 supports standard and

fast I²C interface modes, and the AD7992-1 supports standard,

fast, and high speed I²C interface modes.

3. The part features automatic shutdown while not converting

to maximize power efficiency. Current consumption is

1 µA max when in shutdown mode at 3 V.

4. Reference can be driven up to the power supply.

5. Out-of-range indicator that can be software disabled or

enabled.

The AD7992 normally remains in a shutdown state while not

converting, and powers up only for conversions. The conversion

6. One-shot and automatic conversion rates.

7. Registers store minimum and maximum conversion

results.

process can be controlled using the

pin, by a

CONVST

command mode where conversions occur across I²C write

operations, or an automatic conversion interval mode selected

through software control.

Table 1. Related Products

Part Number

No. of Bits

No. of Channels

Package

20-TSSOP

16-TSSOP

20-TSSOP

16-TSSOP

The AD7992 requires an external reference in the range of 1.2 V

to V_DD. This allows the widest dynamic input range to the ADC.

On-chip limit registers can be programmed with high and low

limits for the conversion result, and an open-drain, out-of-

range indicator output (ALERT) becomes active when the

conversion result violates the programmed high or low limits.

This output can be used as an interrupt.

AD7998

AD7994

AD7997

AD7993

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 that may result from its 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

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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AD7992BRMZ-0REEL 替代型号

型号	品牌	替代类型	描述	数据表
AD7992BRMZ-0	ADI	完全替代	2-Channel, 12-Bit ADC with I2C-Compatible
AD7992BRM-0	ADI	完全替代	2-Channel, 12-Bit ADC with I2C Compatible Interface in 10-Lead MSOP

与AD7992BRMZ-0REEL相关器件

型号	品牌	获取价格	描述	数据表
AD7992BRMZ-1	ADI	获取价格	2-Channel, 12-Bit ADC with I2C-Compatible
AD7992BRMZ-1REEL	ADI	获取价格	2-Channel, 12-Bit ADC with I2C-Compatible
AD7993	ADI	获取价格	4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
AD7993_15	ADI	获取价格	4-Channel, 10- and 12-Bit ADCs with IC Compatible Interface in 16-Lead TSSOP
AD7993-0	ADI	获取价格	4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
AD7993-1	ADI	获取价格	4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
AD7993BRU-0	ADI	获取价格	4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
AD7993BRU-0REEL	ADI	获取价格	4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
AD7993BRU-1	ADI	获取价格	4-Channel, 12-/10-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP
AD7993BRU-1REEL	ADI	获取价格	4-Channel, 10- and 12-Bit ADCs with I2C Compatible Interface in 16-Lead TSSOP

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