PCF8591P NXP Semiconductors, PCF8591P Datasheet
PCF8591P
Specifications of PCF8591P
Available stocks
Related parts for PCF8591P
PCF8591P Summary of contents
Page 1
DATA SHEET PCF8591 8-bit A/D and D/A converter Product specification Supersedes data of 1997 Apr 02 File under Integrated Circuits, IC12 INTEGRATED CIRCUITS 1998 Jul 02 ...
Page 2
Philips Semiconductors 8-bit A/D and D/A converter CONTENTS 1 FEATURES 2 APPLICATIONS 3 GENERAL DESCRIPTION 4 ORDERING INFORMATION 5 BLOCK DIAGRAM 6 PINNING 7 FUNCTIONAL DESCRIPTION 7.1 Addressing 7.2 Control byte 7.3 D/A conversion 7.4 A/D conversion 7.5 Reference voltage ...
Page 3
Philips Semiconductors 8-bit A/D and D/A converter 1 FEATURES Single power supply Operating supply voltage 2 Low standby current 2 Serial input/output via I C-bus Address by 3 hardware address pins 2 Sampling rate given by ...
Page 4
Acrobat reader. white to force landscape pages to be ... Fig.1 Block diagram. ...
Page 5
Philips Semiconductors 8-bit A/D and D/A converter 6 PINNING SYMBOL PIN DESCRIPTION AINO 1 AIN1 2 analog inputs (A/D converter) AIN2 3 AIN3 hardware address negative supply voltage SS 2 SDA ...
Page 6
Philips Semiconductors 8-bit A/D and D/A converter 7 FUNCTIONAL DESCRIPTION 7.1 Addressing 2 Each PCF8591 device C-bus system is activated by sending a valid address to the device. The address consists of a fixed part and a ...
Page 7
Philips Semiconductors 8-bit A/D and D/A converter 1998 Jul 02 Fig.4 Control byte. 7 Product specification PCF8591 ...
Page 8
Philips Semiconductors 8-bit A/D and D/A converter 7.3 D/A conversion The third byte sent to a PCF8591 device is stored in the DAC data register and is converted to the corresponding analog voltage using the on-chip D/A converter. This D/A ...
Page 9
Philips Semiconductors 8-bit A/D and D/A converter 1998 Jul 02 Fig.6 DAC data and DC conversion characteristics. Fig.7 D/A conversion sequence. 9 Product specification PCF8591 ...
Page 10
Philips Semiconductors 8-bit A/D and D/A converter 7.4 A/D conversion The A/D converter makes use of the successive approximation conversion technique. The on-chip D/A converter and a high-gain comparator are used temporarily during an A/D conversion cycle. An A/D conversion ...
Page 11
Philips Semiconductors 8-bit A/D and D/A converter Fig.9 A/D conversion characteristics of single-ended inputs. Fig.10 A/D conversion characteristics of differential inputs. 1998 Jul 02 11 Product specification PCF8591 ...
Page 12
Philips Semiconductors 8-bit A/D and D/A converter 7.5 Reference voltage For the D/A and A/D conversion either a stable external voltage reference or the supply voltage has to be applied to the resistor divider chain (pins V The AGND pin ...
Page 13
Philips Semiconductors 8-bit A/D and D/A converter 8 CHARACTERISTICS OF THE I 2 The I C-bus is for bidirectional, two-line communication between different ICs or modules. The two lines are a serial data line (SDA) and a serial clock line ...
Page 14
Philips Semiconductors 8-bit A/D and D/A converter 8.3 System configuration A device generating a message is a ‘transmitter’, a device receiving a message is the ‘receiver’. The device that controls the message is the ‘master’ and the devices which are ...
Page 15
Philips Semiconductors 8-bit A/D and D/A converter 2 8.5 I C-bus protocol After a start condition a valid hardware address has to be sent to a PCF8591 device. The read/write bit defines the direction of the following single or multiple ...
Page 16
Philips Semiconductors 8-bit A/D and D/A converter 9 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL V supply voltage (pin 16 input voltage (any input input current ...
Page 17
Philips Semiconductors 8-bit A/D and D/A converter 11 DC CHARACTERISTICS amb SYMBOL PARAMETER Supply V supply voltage (operating supply current DD standby operating, AOUT ...
Page 18
Philips Semiconductors 8-bit A/D and D/A converter 12 D/A CHARACTERISTICS REF specified. SYMBOL PARAMETER Analog output V output voltage OA I output leakage current LO ...
Page 19
Philips Semiconductors 8-bit A/D and D/A converter (a) Internal oscillator +27 C. amb Fig.17 Operating supply current as a function of supply voltage (analog output disabled). (a) Output impedance near negative power rail; T The x-axis represents the ...
Page 20
Philips Semiconductors 8-bit A/D and D/A converter 14 AC CHARACTERISTICS All timing values are valid within the operating supply voltage and ambient temperature range and reference with an input voltage swing SYMBOL 2 I ...
Page 21
Philips Semiconductors 8-bit A/D and D/A converter 15 APPLICATION INFORMATION Inputs must be connected order to prevent excessive ground and supply noise and to minimize cross-talk of the digital to analog signal paths the user has ...
Page 22
Philips Semiconductors 8-bit A/D and D/A converter 16 PACKAGE OUTLINES DIP16: plastic dual in-line package; 16 leads (300 mil); long body pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions ...
Page 23
Philips Semiconductors 8-bit A/D and D/A converter SO16: plastic small outline package; 16 leads; body width 7 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT A A ...
Page 24
Philips Semiconductors 8-bit A/D and D/A converter 17 SOLDERING 17.1 Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. ...
Page 25
Philips Semiconductors 8-bit A/D and D/A converter 18 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product ...
Page 26
Philips Semiconductors 8-bit A/D and D/A converter 1998 Jul 02 NOTES 26 Product specification PCF8591 ...
Page 27
Philips Semiconductors 8-bit A/D and D/A converter 1998 Jul 02 NOTES 27 Product specification PCF8591 ...
Page 28
Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 160 1010, ...