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參數資料
| 型號： | 935276541512 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | 7.50 MM, LEAD FREE, PLASTIC, SOT162-1, SO-16 |
| 文件頁數： | 23/34頁 |
| 文件大小： | 251K |
| 代理商： | 935276541512 |
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2003 Jan 27
3
Philips Semiconductors
Product specication
8-bit A/D and D/A converter
PCF8591
1
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
4 analog inputs programmable as single-ended or
differential inputs
Auto-incremented channel selection
Analog voltage range from VSS to VDD
On-chip track and hold circuit
8-bit successive approximation A/D conversion
Multiplying DAC with one analog output.
2
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.
3
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.
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.
4
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
PCF8591P
DIP16
plastic dual in-line package; 16 leads (300 mil)
SOT38-4
PCF8591T
SO16
plastic small outline package; 16 leads; body width 7.5 mm
SOT162-1
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