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參數(shù)資料
| 型號(hào)： | MAX525AEAP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT QUAD LP 20-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 66 |
| 設(shè)置時(shí)間： | 12µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 4 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SSOP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 4 電壓，單極；4 電壓，雙極 |
| 采樣率（每秒）： | * |
| 產(chǎn)品目錄頁面： | 1394 (CN2011-ZH PDF) |
In power-down mode, the MAX525 output amplifiers
and the reference inputs enter a high-impedance state.
The serial interface remains active. Data in the input
registers is retained in power-down, allowing the
MAX525 to recall the output states prior to entering
shutdown. Start up from power-down either by recalling
the previous configuration or by updating the DACs
with new data. When powering up the device or bring-
ing it out of shutdown, allow 15s for the outputs to sta-
bilize.
Serial-Interface Configurations
The MAX525’s 3-wire serial interface is compatible
with both MICROWIRE (Figure 2) and SPI/QSPI
(Figure 3). The serial input word consists of two address
bits and two control bits followed by 12 data bits
(MSB first), as shown in Figure 4. The 4-bit address/
control code determines the MAX525’s response out-
lined in Table 1. The connection between DOUT and
the serial-interface port is not necessary, but may be
used for data echo. Data held in the MAX525’s shift
register can be shifted out of DOUT and returned to the
microprocessor (P) for data verification.
The MAX525’s digital inputs are double buffered.
Depending on the command issued through the serial
interface, the input register(s) can be loaded without
affecting the DAC register(s), the DAC register(s) can
be loaded directly, or all four DAC registers can be
updated simultaneously from the input registers
(Table 1).
Serial-Interface Description
The MAX525 requires 16 bits of serial data. Table 1 lists
the serial-interface programming commands. For cer-
tain commands, the 12 data bits are “don’t cares.” Data
is sent MSB first and can be sent in two 8-bit packets or
one 16-bit word (CS must remain low until 16 bits are
transferred). The serial data is composed of two DAC
address bits (A1, A0) and two control bits (C1, C0),
followed by the 12 data bits D11…D0 (Figure 4). The
4-bit address/control code determines:
The register(s) to be updated
The clock edge on which data is to be clocked out
through the serial-data output (DOUT)
The state of the user-programmable logic output
(UPO)
If the part is to go into shutdown mode (assuming
PDL is high)
How the part is configured when coming out of shut-
down mode.
MAX525
Low-Power, Quad, 12-Bit Voltage-Output DAC
with Serial Interface
_______________________________________________________________________________________
9
SCLK
DIN
DOUT*
CS
SK
SO
SI*
I/O
MAX525
MICROWIRE
PORT
*THE DOUT-SI CONNECTION IS NOT REQUIRED FOR WRITING TO THE MAX525,
BUT CAN BE USED FOR READBACK PURPOSES.
Figure 2. Connections for Microwire
DOUT*
DIN
SCLK
CS
MISO*
MOSI
SCK
I/O
SPI/QSPI
PORT
SS
+5V
CPOL = 0, CPHA = 0
*THE DOUT-MISO CONNECTION IS NOT REQUIRED FOR WRITING TO THE MAX525,
BUT CAN BE USED FOR READBACK PURPOSES.
MAX525
Figure 3. Connections for SPI/QSPI
Figure 4. Serial-Data Format
MSB ..................................................................................LSB
16 Bits of Serial Data
Address
Bits
Control
Bits
Data Bits
MSB.............................................LSB
A1
A0
C1
C0
D11................................................D0
12 Data Bits
4 Address/
Control Bits
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX525AEAP/GH9 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Low-Power Quad 12-Bit Voltage-Output DAC with Serial Interface RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX525AEAP/GH9-T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Low-Power Quad 12-Bit Voltage-Output DAC with Serial Interface RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX525AEAP+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX525AEAP+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX525AEAP-T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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