AD7477AAKS-500RL7 datasheet, PDF

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AD7477AAKS-500RL7: DescriptionIC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6, MO-203AB, SC-70, 6 PIN, Analog to Digital Converter; CategoryAnalog mixed-signal IC converter; File Size569KB，24 Pages; ManufacturerADI; Websitehttps://www.analog.com

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AD7477AAKS-500RL7 Overview

IC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6, MO-203AB, SC-70, 6 PIN, Analog to Digital Converter

AD7477AAKS-500RL7 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	ADI
Parts packaging code	TSSOP
package instruction	TSSOP, TSSOP6,.08
Contacts	6
Reach Compliance Code	not_compliant
ECCN code	EAR99
Maximum analog input voltage	5.25 V
Minimum analog input voltage
Maximum conversion time	0.7 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDSO-G6
JESD-609 code	e0
length	2 mm
Maximum linear error (EL)	0.0488%
Humidity sensitivity level	1
Number of analog input channels	1
Number of digits	10
Number of functions	1
Number of terminals	6
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output bit code	BINARY
Output format	SERIAL
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP6,.08
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
power supply	2.5/5 V
Certification status	Not Qualified
Sampling rate	1 MHz
Sample and hold/Track and hold	TRACK
Maximum seat height	1.1 mm
Nominal supply voltage	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn85Pb15)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	1.25 mm

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FEATURES

Fast Throughput Rate: 1 MSPS

Specified for V

of 2.35 V to 5.25 V

Low Power:

3.6 mW Typ at 1 MSPS with 3 V Supplies

12.5 mW Typ at 1 MSPS with 5 V Supplies

Wide Input Bandwidth:

71 dB SNR at 100 kHz Input Frequency

Flexible Power/Serial Clock Speed Management

No Pipeline Delays

High Speed Serial Interface

SPI

/QSPI™/MICROWIRE™/DSP Compatible

Standby Mode: 1 A Max

6-Lead SC70 Package

8-Lead MSOP Package

APPLICATIONS

Battery-Powered Systems

Personal Digital Assistants

Medical Instruments

Mobile Communications

Instrumentation and Control Systems

Data Acquisition Systems

High Speed Modems

Optical Sensors

2.35 V to 5.25 V, 1 MSPS,

12-/10-/8-Bit ADCs in 6-Lead SC70

AD7476A/AD7477A/AD7478A

FUNCTIONAL BLOCK DIAGRAM

T/H

12-/10-/8-BIT

SUCCESSIVE-

APPROXIMATION

ADC

SCLK

CONTROL

LOGIC

SDATA

AD7476A/AD7477A/AD7478A

GND

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7476A/AD7477A/AD7478A are 12-bit, 10-bit, and 8-bit

high speed, low power, successive-approximation ADCs, respec-

tively. The parts operate from a single 2.35 V to 5.25 V power

supply and feature throughput rates up to 1 MSPS. The parts

contain a low noise, wide bandwidth track-and-hold amplifier

that can handle input frequencies in excess of 13 MHz.

The conversion process and data acquisition are controlled using

and the serial clock, allowing the devices to interface with

microprocessors or DSPs. The input signal is sampled on the

falling edge of

CS,

and the conversion is also initiated at this point.

There are no pipeline delays associated with the parts.

The AD7476A/AD7477A/AD7478A use advanced design tech-

niques to achieve low power dissipation at high throughput rates.

The reference for the part is taken internally from V

, which

allows the widest dynamic input range to the ADC. Thus, the

analog input range for the part is 0 to V

. The conversion rate is

determined by the SCLK.

1. First 8-/10-/12-bit ADCs in an SC70 package.

2. High throughput with low power consumption.

3. Flexible power/serial clock speed management. The conversion

rate is determined by the serial clock, allowing the conver-

sion time to be reduced through the serial clock speed increase.

This allows the average power consumption to be reduced

when a power-down mode is used while not converting. The

parts also feature a power-down mode to maximize power

efficiency at lower throughput rates. Current consumption is

µA

max and 50 nA typically when in power-down mode.

4. Reference derived from the power supply.

5. No pipeline delay. The parts feature a standard successive-

approximation ADC with accurate control of the sampling

instant via a

input and once-off conversion control.

*Protected

by U.S.Patent No. 6,681,332.

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. 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

www.analog.com

Fax: 781/326-8703

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