参数资料
型号: MMA5224WR2
厂商: Freescale Semiconductor
文件页数: 20/58页
文件大小: 0K
描述: IC ACCELER 240G X-AXIS 16QFN
标准包装: 1,000
轴: X
加速范围: ±240g
灵敏度: 8LSB/g,4LSB/g,2LSB/g,1LSB/g
电源电压: 4.2 V ~ 17 V
输出类型: 数字
带宽: 400Hz
接口: SPI
安装类型: 表面贴装
封装/外壳: 16-QFN 裸露焊盘
供应商设备封装: 16-QFN(6x6)
3.3
Voltage Regulators
The device derives its internal supply voltage from the V CC and V SS pins. Separate internal voltage regulators are used for the
analog (V REGA ) and digital circuitry (V REG ). The analog and digital regulators are supplied by a buffer regulator (V BUF ) to provide
immunity from EMC and supply dropouts on V CC . External filter capacitors are required, as shown in Figure 1 .
The voltage regulator module includes voltage monitoring circuitry which holds the device in reset following power-on until the
internal voltages have increased above the undervoltage detection thresholds. The voltage monitor asserts internal reset when
the external supply or internally regulated voltages fall below the undervoltage detection thresholds. A reference generator pro-
vides a reference voltage for the ΣΔ converter.
V CC
V REF
VOLTAGE
REGULATOR
V BUF
VOLTAGE
REGULATOR
V REGA = 2.50 V
V BUF
V REGA
V REGA
BANDGAP
REFERENCE
V REF
TRIM
BIAS
GENERATOR
TRIM
OSCILLATOR
TRIM
TRIM
V BUF
REFERENCE V REF_MOD = 1.250 V
GENERATOR
ΣΔ
CONVERTER
OTP
ARRAY
V REF
VOLTAGE
REGULATOR
V REG = 2.50 V
V REG
DIGITAL
LOGIC
DSP
V CC
COMPARATOR
Micro-cut
V BUF
COMPARATOR
POR
V REG
V REGA
V REF
COMPARATOR
COMPARATOR
Figure 8. Voltage Regulation and Monitoring
MMA52xxKW
Sensors
20
Freescale Semiconductor, Inc.
相关PDF资料
PDF描述
525692 TOOL HAND HEAVY HD 10-12AWG PIDG
MMA5224W IC ACCELER 240G X-AXIS 16QFN
MMA5212WR2 IC ACCELER 120G X-AXIS 16QFN
A6SR-2104 SWITCH PIANO DIP 2POS SMD LONG
91369-1 PRO-C TL & DIE SL156 16
相关代理商/技术参数
参数描述
MMA5248AKW 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Xtrinsic MMA52xxAKW PSI5 Inertial Sensor
MMA5248AKWR2 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Xtrinsic MMA52xxAKW PSI5 Inertial Sensor
MMA5248KW 功能描述:加速计 - 板上安装 X-LATERAL 480G RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA5248KWR2 功能描述:加速计 - 板上安装 X-LATERAL RANGE 480G RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA5248W 功能描述:加速计 - 板上安装 X-LATERAL 480G RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C