參數(shù)資料
型號(hào): MAX1021BETX+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 21/40頁(yè)
文件大?。?/td> 0K
描述: IC ADC/DAC 10BIT W/FIFO 36-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: ADC,DAC
分辨率(位): 10 b
采樣率(每秒): 300k
數(shù)據(jù)接口: 串行
電壓電源: 模擬和數(shù)字
電源電壓: 2.7V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 36-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 36-TQFN 裸露焊盤(6x6)
包裝: 帶卷 (TR)
MAX1021/MAX1043
10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
28
______________________________________________________________________________________
Table 13. MAX1021/MAX1043 GPIO Configuration
DATA PIN
GPIO COMMAND BYTE
DATA BYTE
DIN
0
1
GPIOC1
GPIOC0
GPIOA1
GPIOA0
X
DOUT
0
0000
Table 14. MAX1021/MAX1043 GPIO Write
DATA PIN
GPIO COMMAND BYTE
DATA BYTE
DIN
0
1
0
GPIOC1
GPIOC0
GPIOA1
GPIOA0
X
DOUT
00
000
00
0
Write the command byte 00000011 to configure the
GPIOs. The eight SCLK cycles following the command
byte load data from DIN to the GPIO configuration reg-
ister in the MAX1021/MAX1043. See Tables 13 and 14.
The register bits are updated after the last
CS rising
edge. All GPIOs default to inputs upon power-up.
The data in the register controls the function of each
GPIO, as shown in Tables 13, 14, and 16.
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 MAX1021/MAX1043. See Tables 14 and
15. 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 MAX1021/MAX1043. See Table 16.
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, 17, and
18. Write the next 16 bits to the DAC interface register,
as shown in Tables 17 and 18. 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 10 data bits (MSB first), followed by
2 sub-bits. See Figures 9–12 for DAC timing specifica-
tions.
If
CS goes high prior to completing 16 SCLK cycles, the
command is discarded. To initiate a new transfer, drive
CS low again.
For example, writing the DAC serial interface word 1111
0000 and 00110100 disconnects DAC outputs 2 and 3
and forces them to a high-impedance state. DAC out-
puts 0 and 1 remain in their previous state.
Table 15. GPIO-Mode Control
CONFIGURATION
BIT
WRITE
BIT
OUTPUT
STATE
GPIO
FUNCTION
11
1
Output
10
0
Output
0
1
Tri-state
Input
00
0
Pulldown
(open drain)
Table 16. MAX1021/MAX1043 GPIO Read
DATA PIN
GPIO COMMAND BYTE
DATA BYTE
DIN
00
000001
X
DOUT
00
000000
0
GPIOC1
GPIOC0
GPIOA1
GPIOA0
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MAX1022 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports
MAX1022BETX 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40
MAX1022BETX+ 功能描述:ADC / DAC多通道 10Bit AD/DACs w/FIFO Temp Sns/GPIO Ports 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40
MAX1022BETX+T 功能描述:ADC / DAC多通道 10Bit AD/DACs w/FIFO Temp Sns/GPIO Ports 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40
MAX1022BETX-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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40