AD7278ARMZ

更新时间： 2024-09-17 12:52:59

品牌	Logo	应用领域
亚德诺 - ADI		转换器模数转换器光电二极管 PC
页数	文件大小	规格书
28页	501K
描述
3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT

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AD7278ARMZ 数据手册

3 MSPS, 12-/10-/8-Bit

ADCs in 6-Lead TSOT

AD7276/AD7277/AD7278

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Throughput rate: 3 MSPS

Specified for V_DDof 2.35 V to 3.6 V

Power consumption

12.6 mW at 3 MSPS with 3 V supplies

Wide input bandwidth

70 dB SNR at 1 MHz input frequency

Flexible power/serial clock speed management

No pipeline delays

12-/10-/8-BIT

SUCCESSIVE

APPROXIMATION

ADC

T/H

High speed serial interface

SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible

Temperature range: −40°C to +125°C

Power-down mode: 0.1 μA typical

6-lead TSOT package

SCLK

SDATA

AD7276/

AD7277/

AD7278

CONTROL

LOGIC

8-lead MSOP package

AD7476 and AD7476A pin-compatible

GND

Figure 1.

GENERAL DESCRIPTION

Table 1.

Part Number

The AD7276/AD7277/AD7278 are 12-/10-/8-bit, high speed,

low power, successive approximation analog-to-digital converters

(ADCs), respectively. The parts operate from a single 2.35 V

to 3.6 V power supply and feature throughput rates of up to

3 MSPS. The parts contain a low noise, wide bandwidth track-

and-hold amplifier that can handle input frequencies in excess

of 55 MHz.

Resolution

Package

AD7276

AD7277

AD7278

AD7274¹

AD7273¹

8-Lead MSOP

6-Lead TSOT

8-Lead TSOT

The conversion process and data acquisition are controlled

¹Part contains external reference pin.

using

and the serial clock, allowing the devices to interface

PRODUCT HIGHLIGHTS

with microprocessors or DSPs. The input signal is sampled on

the falling edge of , and the conversion is also initiated at this

point. There are no pipeline delays associated with the part.

1. 3 MSPS ADCs in a 6-lead TSOT package.

2. AD7476/AD7477/AD7478 and AD7476A/AD7477A/

AD7478A pin-compatible.

3. High throughput with low power consumption.

4. Flexible power/serial clock speed management. This allows

maximum power efficiency at low throughput rates.

5. Reference derived from the power supply.

6. No pipeline delay. The parts feature a standard successive

approximation ADC with accurate control of the sampling

The AD7276/AD7277/AD7278 use advanced design techniques

to achieve very low power dissipation at high throughput rates.

The reference for the part is taken internally from VDD. This

allows the widest dynamic input range to the ADC; therefore,

the analog input range for the part is 0 to VDD. The conversion

rate is determined by the SCLK.

instant via a

input and once-off conversion control.

Rev. C

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 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 www.analog.com

12 3 4 5 6 7...28

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AD7278ARMZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7278BRMZ	ADI	完全替代	3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7278ARMZ-RL	ADI	类似代替	3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT

与AD7278ARMZ相关器件

型号	品牌	获取价格	描述	数据表
AD7278ARMZ-RL	ADI	获取价格	3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7278AUJZ-500RL7	ADI	获取价格	3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7278AUJZ-RL7	ADI	获取价格	3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7278BRMJ	ADI	获取价格	3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7278BRMZ	ADI	获取价格	3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7278BRMZ-REEL	ADI	获取价格	3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7278BUJ-REEL	ADI	获取价格	3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7278BUJZ-500RL7	ADI	获取价格	3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7278BUJZ-REEL7	ADI	获取价格	3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
AD7280	ADI	获取价格	Lithium Ion Battery Monitoring System

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