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參數資料
| 型號： | MAX1022BETX+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 25/44頁 |
| 文件大小： | 0K |
| 描述： | IC ADC/DAC 10BIT W/FIFO 36-TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | ADC，DAC |
| 分辨率（位）： | 10 b |
| 采樣率（每秒）： | 225k |
| 數據接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 電壓電源： | 模擬和數字 |
| 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： | 36-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 36-TQFN 裸露焊盤（6x6） |
| 包裝： | 帶卷 (TR) |
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MAX1020/MAX1022/MAX1057/MAX1058
10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
______________________________________________________________________________________
31
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 MAX1020. The 16 SCLK cycles following the com-
mand byte transfer the state of the GPIOs to DOUT in the
MAX1057/MAX1058. 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 10 data bits (MSB first) and 2 don’t-
care sub-bits. See Figures 9–12 for DAC timing
specifications.
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 1111 0100 disconnects DAC outputs 4
through 7 and forces them to a high-impedance state.
DAC outputs 0 through 3 remain in their previous state.
Table 18. MAX1020 GPIO Read
DATA PIN
GPIO COMMAND BYTE
DATA BYTE
DIN
00
000001
X
DOUT
00
000000
0
GPIOC1
GPIOC0
GPIOA1
GPIOA0
Table 19. MAX1057/MAX1058 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
Tri-state
Input
00
0
Pulldown
(open drain)
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相關代理商/技術參數 |
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|---|---|
| MAX1023 | 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 |
| MAX1023BETX | 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 |
| MAX1026 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference |
| MAX1026_09 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference |
| MAX1026_11 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference |
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