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參數(shù)資料
| 型號(hào)： | MAX5206BEUB+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 13/13頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 16BIT SRL 10UMAX |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 設(shè)置時(shí)間： | 25µs |
| 位數(shù)： | 16 |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 444.4mW |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | * |
| 封裝/外殼： | * |
| 供應(yīng)商設(shè)備封裝： | * |
| 包裝： | * |
| 輸出數(shù)目和類型： | 1 電壓，單極；1 電壓，雙極 |
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MAX5204–MAX5207
Low-Cost, Voltage-Output, 16-Bit DACs in MAX
_______________________________________________________________________________________
9
three digital inputs: CS, DIN, and SCLK (Figure 2). The
active-low chip-select input (CS) enables the serial
data loading at the data input (DIN). Pull CS low and
clock in each bit of the 16-bit digital word on the rising
edge of the serial clock (SCLK). Two eight-bit bytes
can be used, and do not require any additional time
between them. Pulling CS high after loading the 16-bit
word transfers that code into the DAC register and then
updates the output. If CS is not kept low during the
entire loading of the 16-bit word, data will be corrupted.
In this case, a new 16-bit word must be loaded. LDAC
must be kept low at all times for the above instructions.
An alternate method of interfacing and updating the
MAX5204–MAX5207 can be done with a fourth digital
input, the active-low load DAC (LDAC). LDAC allows
the output to update asynchronously after CS goes
high. It is useful when updating multiple MAX5204–
MAX5207s synchronously when sharing a single LDAC
and CS line. LDAC must be kept high at all times dur-
ing the data loading sequence and must only be
asserted when CS is high. Asserting LDAC when CS is
low can cause corrupted data. To operate the
MAX5204–MAX5207 using LDAC, pull LDAC high, pull
CS low, load the 16-bit word as described in the previ-
ous paragraph, and pull CS high again. Following these
commands, the DAC output only updates when LDAC
is asserted low (Figure 3).
Shutdown Mode
The low-power shutdown mode reduces supply current
to typically 1A and a maximum of 10A. Shutdown
mode is not activated through command words, as is
common among D/A converters. These devices require
careful manipulation of CS and SCLK (Figure 4).
Shutting Down
To shut down the MAX5204–MAX5207, change the
state of SCLK (either a high to low or low to high transi-
tion can be used) and pulse two falling CS edges. In
order to keep the device in shutdown mode, SCLK
must not change state. SCLK must remain in the state
it is in after the two CS pulses.
Waking Up
There are two methods to wake up the MAX5204–
MAX5207. Pulse one falling CS edge or transition SCLK.
It takes 50s typically from the CS falling edge or SCLK
transition for the DAC to return to normal operation.
Power-On Reset
The MAX5204–MAX5207 have a power-on reset circuit
to set the DAC’s output to a known state when VDD is
first applied. The MAX5204/MAX5206 reset to midscale
(code 8000 hex) upon power-up. The MAX5205/
MAX5207 reset to zero-scale (code 0000 hex) upon
power-up. This ensures that unwanted output voltages
do not occur immediately following a system power-up,
such as a loss of power. It is required to apply VDD first
before any other input (DIN, SCLK, CLR, LDAC, CS,
and REF).
tCL
tCH
tCSS
D14
D15
tDS
tDH
D0
tCSH
tCS1
tCS0
SCLK
CS
DIN
tCP
tCSWH
NOTE: LDAC IS LOGIC LOW.
Figure 2. 3-Wire Interface Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5206BEUB+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16Bit DAC w/Int Reference 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 |
| MAX5206BEUB+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16Bit DAC w/Int Reference 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 |
| MAX5206BEUB-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 |
| MAX5207ACUB | 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 |
| MAX5207ACUB+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16Bit DAC w/Int Reference 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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