參數(shù)資料
型號: MAX1258BETM+
廠商: Maxim Integrated Products
文件頁數(shù): 25/43頁
文件大小: 0K
描述: IC ADC/DAC 12BIT 48-TQFN
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 43
類型: ADC,DAC
分辨率(位): 12 b
采樣率(每秒): 225k
數(shù)據(jù)接口: 串行
電壓電源: 模擬和數(shù)字
電源電壓: 4.75 V ~ 5.25 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-WFQFN 裸露焊盤
供應商設備封裝: 48-TQFN-EP(7x7)
包裝: 管件
MAX1220/MAX1257/MAX1258
12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
______________________________________________________________________________________
31
GPIO Write
Write the command byte 00000010 to indicate a GPIO
write operation. The eight SCLK cycles following the
command byte load data from DIN into the GPIO write
register in the MAX1220. The 16 SCLK cycles following
the command byte load data from DIN into the GPIO
write register in the MAX1257/MAX1258. See Tables 15
and 16. The register bits are updated after the last CS
rising edge.
GPIO Read
Write the command byte 00000001 to indicate a GPIO
read operation. The eight SCLK cycles following the
command byte transfer the state of the GPIOs to DOUT
in the MAX1220. The 16 SCLK cycles following the com-
mand byte transfer the state of the GPIOs to DOUT in the
MAX1257/MAX1258. See Tables 18 and 19.
DAC Serial Interface
Write a command byte 0001XXXX to the DAC select
register to indicate the word to follow is written to the
DAC serial interface, as detailed in Tables 1, 10, 20, and
21. Write the next 16 bits to the DAC interface register,
as shown in Tables 20 and 21. Following the high-to-low
transition of CS, the data is shifted synchronously and
latched into the input register on each falling edge of
SCLK. Each word is 16 bits. The first 4 bits are the con-
trol bits followed by 12 data bits (MSB first) and 2 don’t-
care sub-bits. See Figures 10–12 for DAC timing
specifications.
Table 18. MAX1220 GPIO Read
DATA PIN
GPIO COMMAND BYTE
DATA BYTE
DIN
00
000001
X
DOUT
00
000000
0
GPIOC1
GPIOC0
GPIOA1
GPIOA0
Table 19. MAX1257/MAX1258 GPIO Read
DATA PIN
GPIO COMMAND BYTE
DATA BYTE 1
DATA BYTE 2
DIN
0
1
X
XXXXX
XX
DOUT
000
00
000
0
GPIOC3
GPIOC2
GPIOC1
GPIOC0
GPIOB3
GPIOB2
GPIOB1
GPIOB0
GPIOA3
GPIOA2
GPIOA1
GPIOA0
Table 17. GPIO-Mode Control
CONFIGURATION
BIT
WRITE
BIT
OUTPUT
STATE
GPIO
FUNCTION
1
Output
1
0
Output
0
1
Three-state
Input
0
Pulldown
(open drain)
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1258BETM+ 功能描述:ADC / DAC多通道 12-Bit 16Ch 300ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40
MAX1258BETM+T 功能描述:ADC / DAC多通道 12-Bit 16Ch 300ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40
MAX1258BETM-T 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40
MAX1258EVC16 功能描述:ADC / DAC多通道 Evaluation Kit/Evaluation System for the MAX1057 MAX1058 MAX1257 MAX1258 RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40
MAX1258EVKIT 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX1057 MAX1058 MAX1257 MAX1258 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V