Datasheet > PCA8591

PCA8591

更新时间： 2024-01-18 12:22:46

品牌	Logo	应用领域
恩智浦 - NXP		转换器
页数	文件大小	规格书
28页	225K
描述
8-bit A/D and D/A converter

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数据手册

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PCA8591 数据手册

Philips Semiconductors

Product speciﬁcation

8-bit A/D and D/A converter

PCF8591

FEATURES

• Single power supply

• Operating supply voltage 2.5 V to 6 V

• Low standby current

• Serial input/output via I²C-bus

• Address by 3 hardware address pins

• Sampling rate given by I²C-bus speed

GENERAL DESCRIPTION

The PCF8591 is a single-chip, single-supply low power

8-bit CMOS data acquisition device with four analog

inputs, one analog output and a serial I²C-bus interface.

Three address pins A0, A1 and A2 are used for

programming the hardware address, allowing the use of

up to eight devices connected to the I²C-bus without

additional hardware. Address, control and data to and from

the device are transferred serially via the two-line

bidirectional I²C-bus.

• 4 analog inputs programmable as single-ended or

differential inputs

• Auto-incremented channel selection

• Analog voltage range from V_SSto V_DD

• On-chip track and hold circuit

• 8-bit successive approximation A/D conversion

• Multiplying DAC with one analog output.

The functions of the device include analog input

multiplexing, on-chip track and hold function, 8-bit

analog-to-digital conversion and an 8-bit digital-to-analog

conversion. The maximum conversion rate is given by the

maximum speed of the I²C-bus.

APPLICATIONS

• Closed loop control systems

• Low power converter for remote data acquisition

• Battery operated equipment

• Acquisition of analog values in automotive, audio and

TV applications.

ORDERING INFORMATION

TYPE

PACKAGE

NUMBER

NAME

DESCRIPTION

VERSION

PCA8591P

PCA8591T

DIP16

SO16

plastic dual in-line package; 16 leads (300 mil); long body

plastic small outline package; 16 leads; body width 7.5 mm

SOT38-1

SOT162-1

1998 Jul 02

1 234 5 6 7...28

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