PCA9570DP: Remote 4-bit general purpose outputs for 1 MHz I²C-bus

The PCA9570 is a CMOS device that provides 4 bits of General Purpose parallel Output (GPO) expansion in low voltage processor and handheld battery powered mobile applications. It operates at 1 MHz I²C‑bus speeds while maintaining backward compatibility to Fast-mode (400 kHz) and Standard-mode (100 kHz).

The PCA9570 is a streamlined GPO that consists of 4-bit push-pull outputs that offer low current consumption, small packaging options and a low operating voltage range of 1.1 V to 3.6 V. The latched outputs are symmetrical 4 mA current drive capability at 3.3 V to drive various control logic. The PCA9570 output expander provides a simple solution when additional outputs are needed while keeping interconnections and floor space to a minimum, for example, in battery powered mobile applications where PCBs are crowded for interfacing to sensors, push buttons, etc.

The PCA9570 contains an internal Power-On Reset (POR) and a Software Reset feature that initializes the device to its default state.

数据手册 (1)

名称/描述	Modified Date
Remote 4-bit general purpose outputs for 1 MHz I2C-bus (REV 4.0) PDF (1.8 MB) PCA9570 [English]	17 Sep 2014

订购信息

型号	状态	No of bits	V_DD [min] (V)	V_DD [max] (V)	Over volt tolerant	No of supplies	Standby current [typ] (µA)	Max Sink Current per bit (mA)	Max Sink Current, per package (mA)	Source Current per bit (mA)	Interrupt output pin	Reset input pin	Output mode	Input mode: invert option	Internal pull-up resistor per bit (kOhm)	I2C-bus (kHz)	Footprint body and leads (mm2)	Package name	Package version	Operating Temperature (Cel)	No of Addresses	Remark
PCA9570DP	Introduction Pending	4	1.1	3.6		1	0.6	4	16	4			Totem pole			1000	15.81			-40~85	1	Output only

封装环保信息

产品编号	封装说明	Outline Version	回流/波峰焊接	包装	产品状态	部件编号订购码 (12NC)	Marking	化学成分	RoHS / 无铅 / RHF	无铅转换日期	MSL	MSL LF
PCA9570DP					Development	PCA9570DPJ (9352 983 47118)	Standard Marking			Always Pb-free	1	1

Remote 4-bit general purpose outputs for 1 MHz I2C-bus pca9570