参数资料
型号: MC33794DH/R2
厂商: MOTOROLA INC
元件分类: 模拟信号调理
英文描述: Electric Field Imaging Device
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO44
封装: PLASTIC, HSOP-44
文件页数: 19/23页
文件大小: 574K
代理商: MC33794DH/R2
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33794
5
39
R_OSC
Oscillator Resistor
A resistor from this pin to circuit ground determines the operating frequency of the
oscillator. The 33794 is optimized for operation around 120 kHz.
40
CLK
Clock
This pin provides a square wave output at the same frequency as the internal
oscillator. The edges of the square wave coincide with the peaks (positive and
negative) of the sine wave.
41
VDD_MON
VDD Monitor
This is connected through a voltage divider to VDD. It allows reduction of the voltage
so it will fall within the range of the ADC on the MCU.
42
VDD
VDD Capacitor
A capacitor is connected to this pin to filter the internal analog regulated supply. This
supply is derived from VPWR.
44
VPWR
Positive Power Supply Input
12 V power applied to this pin will be converted to the regulated voltages needed to
operate the part. It is also converted to 5.0 V (VCC) and 8.5 V (VDD) to power the
MCU and external devices.
HSOP PIN FUNCTION DESCRIPTION (continued)
Pin
Pin Name
Formal Name
Definition
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