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參數資料
| 型號： | MAX525AEPP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 2/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT QUAD LP 20-DIP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 18 |
| 設置時間： | 12µs |
| 位數： | 12 |
| 數據接口： | 串行 |
| 轉換器數目： | 4 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 20-DIP（0.300"，7.62mm） |
| 供應商設備封裝： | 20-PDIP |
| 包裝： | 管件 |
| 輸出數目和類型： | 4 電壓，單極；4 電壓，雙極 |
| 采樣率（每秒）： | * |
C1
C0
MAX525
Figure 5 shows the serial-interface timing requirements.
The chip-select pin (CS) must be low to enable the
DAC’s serial interface. When CS is high, the interface
control circuitry is disabled. CS must go low at least
tCSS before the rising serial clock (SCLK) edge to prop-
erly clock in the first bit. When CS is low, data is
clocked into the internal shift register through the serial-
data input pin (DIN) on SCLK’s rising edge. The maxi-
mum guaranteed clock frequency is 10MHz. Data is
latched into the appropriate MAX525 input/DAC regis-
ters on CS’s rising edge.
The programming command Load-All-DACs-From-Shift-
Register allows all input and DAC registers to be simul-
taneously loaded with the same digital code from the
input shift register. The no operation (NOP) command
leaves the register contents unaffected and is useful
when the MAX525 is configured in a daisy chain (see
the Daisy Chaining Devices section). The command to
change the clock edge on which serial data is shifted
out of DOUT also loads data from all input registers to
their respective DAC registers.
Serial-Data Output (DOUT)
The serial-data output, DOUT, is the internal shift regis-
ter’s output. The MAX525 can be programmed so that
data is clocked out of DOUT on SCLK’s rising edge
(Mode 1) or falling edge (Mode 0). In Mode 0, output
data at DOUT lags input data at DIN by 16.5 clock
cycles, maintaining compatibility with MICROWIRE,
SPI/QSPI, and other serial interfaces. In Mode 1, output
data lags input data by 16 clock cycles. On power-up,
DOUT defaults to Mode 0 timing.
User-Programmable Logic Output (UPO)
The user-programmable logic output, UPO, allows an
external device to be controlled through the MAX525
serial interface (Table 1).
Low-Power, Quad, 12-Bit Voltage-Output DAC
with Serial Interface
10
______________________________________________________________________________________
Table 1. Serial-Interface Programming Commands
00
No operation (NOP) to DAC registers
00
11
UPO goes low (default)
Shutdown (provided PDL = 1)
10
Load all DAC registers from shift register (start-up).
Load input register A; DAC registers unchanged.
Load input register B; DAC registers unchanged.
Load input register C; DAC registers unchanged.
Load input register D; DAC registers unchanged.
Load input register A; all DAC registers updated.
Load input register B; all DAC registers updated.
Load input register C; all DAC registers updated.
Load input register D; all DAC registers updated.
01
00
01
10
11
00
01
10
11
Update all DAC registers from their respective input registers (start-up).
UPO goes high
00
10
00
10
01
11
XXXXXXXXXXXX
16-BIT SERIAL WORD
XXXXXXXXXXXX
12-bit DAC data
XXXXXXXXXXXX
12-bit DAC data
10
XXXXXXXXXXXX
Mode 0, DOUT clocked out on SCLK’s falling edge. All DAC registers
updated (default).
XXXXXXXXXXXX
11
Mode 1, DOUT clocked out on SCLK’s rising edge. All DAC registers
updated.
10
“X” = Don’t care
A1
A0
C1
C0
D11.................D0
MSB
LSB
FUNCTION
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX525AEPP+ | 功能描述:數模轉換器- DAC 12-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX525AMJP | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX525BC/D | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX525BCAP | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX525BCAP+ | 功能描述:數模轉換器- DAC 12-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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