參數(shù)資料
型號(hào): MAXQ7667AACM/V+
廠商: Maxim Integrated Products
文件頁數(shù): 40/40頁
文件大?。?/td> 0K
描述: IC MCU-BASED DAS 16BIT 48-LQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 250
系列: MAXQ®
核心處理器: RISC
芯體尺寸: 16-位
速度: 16MHz
連通性: LIN,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,WDT
輸入/輸出數(shù): 16
程序存儲(chǔ)器容量: 32KB(16K x 16)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 2K x 16
電壓 - 電源 (Vcc/Vdd): 2.25 V ~ 2.75 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 5x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 48-LQFP
包裝: 托盤
MAXQ7667
16-Bit, RISC, Microcontroller-Based,
Ultrasonic Distance-Measuring System
_______________________________________________________________________________________
9
BURST OUTPUT FREQUENCY
vs. TEMPERATURE
MAXQ7667
toc01
TEMPERATURE (
°C)
BURST
OUTPUT
FREQUENCY
(kHz)
50
25
100
75
0
-25
49.96
49.97
49.98
49.99
50.00
50.01
50.02
50.03
50.04
50.05
49.95
-50
125
USING PLL
LOWPASS FILTER OUTPUT
vs. ECHO INPUT AMPLITUDE
MAXQ7667
toc02
ECHO INPUT AMPLITUDE (VP-P)
LPF
OUTPUT
(LSB)
0.04
0.02
0.08
0.06
24,576
32,768
8192
16,384
40,960
49,152
57,344
65,536
0
0.10
PROGRAMMABLE ECHO GAIN = MINIMUM
LOWPASS FILTER OUTPUT
vs. ECHO INPUT FREQUENCY
MAXQ7667
toc03
ECHO INPUT FREQUENCY (kHz)
LPF
OUTPUT
(LSB)
55
40
85
70
1000
100
10,000
100,000
10
25
100
PROGRAMMABLE ECHO GAIN = MINIMUM
ECHO INPUT AMPLITUDE = 20mVP-P
BANDPASS FILTER OUTPUT NOISE FLOOR
vs. BANDPASS FILTER CENTER FREQUENCY
MAXQ7667
toc04
FREQUENCY (kHz)
BANDPASS
FILTER
OUTPUT
(LSB
RMS
)
80
60
40
9
3
6
12
15
0
20
100
RECEIVE PATH GAIN AT MAXIMUM
TA = +105
°C
TA = +25
°C
TA = -40
°C
RECEIVE PATH RESPONSE TIME
(ECHO INPUT TO LOWPASS FILTER OUTPUT)
MAXQ7667
toc05
TIME (
s)
ADC
COUNT
(LSB)
400
200
800
600
6000
4000
10,000
2000
8000
14,000
12,000
16,000
0
1000
MINIMUM ECHO GAIN
20mVP-P ECHO AMPLITUDE
50kHz ECHO FREQUENCY
250ksps
INPUT ON
INPUT OFF
LOWPASS FILTER OUTPUT RIPPLE vs. TIME
MAXQ7667
toc06
TIME (ms)
LPF
OUTPUT
(LSB)
24
6
10
8
12,500
12,000
14,500
11,500
14,000
10,500
13,000
11,000
13,500
15,000
10,000
012
MINIMUM ECHO GAIN
20mVP-P ECHO AMPLITUDE
50kHz ECHO FREQUENCY
250ksps
SAR ADC OFFSET ERROR
vs. TEMPERATURE
MAXQ7667
toc07
TEMPERATURE (
°C)
OFFSET
ERROR
(mV)
075
25
-25
100
50
0.5
-0.5
0
1.0
1.5
2.0
-1.0
-50
125
VAVDD = 3.3V
VAVDD = 3.6V
VAVDD = 3V
Typical Operating Characteristics
(VDVDDIO = +5V, VAVDD = +3.3V, VDVDD = +2.5V, fSYSCLK = 16MHz, burst frequency = bandpass frequency = 50kHz, TA = +25°C,
unless otherwise noted.)
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參數(shù)描述
MAXQ7667EVKIT 功能描述:開發(fā)板和工具包 - 其他處理器 RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
MAXQ7667EVKIT+ 功能描述:開發(fā)板和工具包 - 其他處理器 MAXQ7667 Eval Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
MAXQ7667EVKIT-1# 功能描述:開發(fā)板和工具包 - 其他處理器 MAXQ7667EVKIT-1# RoHS:否 制造商:Maxim Integrated 產(chǎn)品: 工具用于評(píng)估: 核心: 接口類型: 工作電源電壓:
MAXQ7668AACM/V+ 功能描述:16位微控制器 - MCU Integrated Circuits (ICs) Embedded - Microcontrollers - ADC 12BIT 8CH SER 2.7V LQFP RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MAXQ7668AACM/V+T 功能描述:16位微控制器 - MCU Integrated Circuits (ICs) Embedded - Microcontrollers - ADC 12BIT 8CH SER 2.7V LQFP RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT