| 型号 | pcf8591t | philips | |
| 批号 | 07+rohs | 封装 | so-16 |
单片机 pcf8591 pdf资料下载
型号:pcf8591t
批号:07+rohs
封装: so-16
技术资料:直接点击下载:pcf8591.pdf
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