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參數(shù)資料
| 型號： | MAX5774EVKIT+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 14/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL FOR MAX5774 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| DAC 的數(shù)量： | 32 |
| 位數(shù)： | 14 |
| 數(shù)據(jù)接口： | 串行 |
| 設(shè)置時間： | 20µs |
| DAC 型： | 電壓 |
| 工作溫度： | 0°C ~ 85°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX5774 |
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In daisy-chain operation, DOUT follows DIN after 32 clock
cycles for a write command. For a read command, DOUT
provides only the 14 data bits (and S1, S0) in the next
cycle following the CS falling edge. Data is provided MSB
first at DOUT on the falling edge of SCLK.
When SING = 1, the device is in stand-alone mode. To
reduce the time it takes to read data out, the read data
is provided MSB first at DOUT on the last 16 cycles of
the current command word. The device acts on an
incoming command word independent of the rising
edge of CS. SING functionality is ignored in DSP mode.
Daisy-Chain Operation
Daisy chain any number of the MAX5773/MAX5774/
MAX5775 devices by connecting the DOUT of one
device to DIN of another. Set DSP high and SING = 0
for all devices in the daisy chain (see Figure 5).
MAX5773/MAX5774/MAX5775
32-Channel, 14-Bit, Voltage-Output
DACs with Serial Interface
______________________________________________________________________________________
21
14 DATA BITS
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
S1
S0
ERRF
SING
GLT
DT
SHDN
XXXXXXXXXXX
Table 11. Configuration Register Data Format
X = Don’t care.
DATA BIT
NAME
DESCRIPTION
D13
ERRF
Error flag. ERRF goes logic high when an invalid command is attempted. ERRF is cleared each
time the configuration register is read back to DOUT. Reset-register commands C3–C0 = 1111
reset ERRF. Conditions that trigger ERRF include:
Attempted read of a wrong or invalid address bits A5–A0
Access to reserved addresses
The default is logic low (no error flags); ERRF is read only.
D12
SING
Single device. SING determines daisy-chain or stand-alone mode. Logic high sets the device to
operate in stand-alone mode or in parallel with other devices. Only 14 data bits (and S1, S0 = 00)
are output to DOUT when SING is logic high. When SING is logic low, the entire 32-bit command
word is output to DOUT.
The default is logic low (daisy-chain mode). For daisy-chain operation, set SING to logic low and
DSP must be set high (C mode). SING is read/write.
D11
GLT
Glitch-suppression enable. The MAX5773/MAX5774/MAX5775 feature glitch-suppression circuitry
on the analog outputs that minimizes the output glitch during a major carry transition. A logic low
disables the internal glitch-suppression circuitry. Logic high enables glitch suppression,
suppressing up to a 120nV-s glitch impulse on the DAC outputs. Default is logic low (glitch
suppression is disabled). GLT is read/write.
D10
DT
Digital output enable. A logic low enables DOUT. Logic high disables DOUT. Disabling DOUT
reduces power consumption and digital noise feedthrough to the DAC outputs from the DOUT
output buffer.
Default is logic-low (DOUT enabled); DT is read/write.
D9
SHDN
Shutdown. A logic high shuts down all 32 DACs. The logic interface remains active, and the data
is retained in the DAC and input registers. Read/write operations can be performed while the
device is shut down; however, no changes can occur at the device outputs. Logic-low powers up
all 32 DACs. Upon waking up (5s (typ)), the DAC outputs return to the last stored value in the
DAC registers. Default is logic low (normal operation). SHDN is read/write.
D8–D0 and
S1, S0
X
Don’t care.
Table 12. Configuration Register Commands
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| MAX5774EVKIT+ | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX5774 Max5774 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| MAX5774UCB+D | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 32Ch 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 |
| MAX5774UCB+TD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 32Ch 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 |
| MAX5774UCB-D | 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 |
| MAX5774UCB-TD | 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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