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參數(shù)資料
| 型號： | MAX5183BEEI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | DAC |
| 英文描述： | Dual, 10-Bit, 40MHz, Current/Voltage Simultaneous-Output DACs |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.025 us SETTLING TIME, 10-BIT DAC, PDSO28 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-28 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 491K |
| 代理商： | MAX5183BEEI |
M
Dual, 10-Bit, 40MHz, Current/Voltage
Simultaneous-Output DACs
10
______________________________________________________________________________________
PD
(POWER-DOWN SELECT)
DACEN
(DAC ENABLE)
POWER-DOWN MODE
OUTPUT STATE
0
0
Standby
MAX5180
MAX5183
Last state prior to standby mode
MAX5180
MAX5183
High-Z
AGND
0
1
Wake-Up
1
X
Shutdown
High-Z
AGND
Table 1. Power-Down Mode Selection
X = Don’t care
External Reference
To disable the MAX5180/MAX5183’s internal reference,
connect
REN
to AV
DD
. A temperature-stable, external
reference may now be applied to drive the REFO pin to
set the full-scale output (Figure 3). Choose a reference
capable of supplying at least 150μA to drive the bias
circuit that generates the cascode current for the cur-
rent array. For improved accuracy and drift perfor-
mance, choose a fixed output voltage reference such
as the +1.2V, 25ppm/°C MAX6520 bandgap reference.
Standby Mode
To enter the lower power standby mode, connect digital
inputs PD and DACEN to DGND. In standby, both the
reference and the control amplifier are active with the
current array inactive. To exit this condition, DACEN
must be pulled high with PD held at DGND. Both the
MAX5180 and MAX5183 typically require 50μs to wake
up and allow both the outputs and the reference to settle.
Shutdown Mode
For lowest power consumption, the MAX5180/MAX5183
provide a power-down mode in which the reference,
control amplifier, and current array are inactive and the
DAC supply current is reduced to 1μA. To enter this
mode, connect PD to DV
DD
. To return to active mode,
connect PD to DGND and DACEN to DV
DD
. Table 1
lists the power-down mode selection. About 50μs are
required for the parts to leave shutdown mode and set-
tle to their outputs’ values prior to shutdown.
Timing Information
Both DAC cells in the MAX5180/MAX5183 write to their
outputs simultaneously (Figure 4). The input latch of the
first DAC (DAC1) is loaded after the clock signal transi-
tions high. When the clock signal transitions low, the
input latch of the second DAC (DAC2) is loaded.
Simultaneously at the rising edge of the next clock, the
contents of both input latches are shifted to the DAC
registers and their outputs are updated.
CLK
D0
–
D9
OUT1
N - 1
DAC1
DAC2
DAC1
DAC2
DAC1
DAC2
N - 1
N
N - 1
N + 1
N
N
N + 1
N + 1
t
DS1
t
CH
t
CL
t
CP
t
DS2
t
DH1
t
DH2
OUT2
N - 1
N
N + 1
Figure 4. Timing Diagram
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5183BEEI+ | 功能描述:數(shù)模轉換器- DAC 10-Bit 2Ch High Speed DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)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 |
| MAX5183BEEI+T | 功能描述:數(shù)模轉換器- DAC 10-Bit 2Ch High Speed DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)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 |
| MAX5183BEEI-T | 功能描述:數(shù)模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)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 |
| MAX5183EVKIT | 功能描述:數(shù)模轉換器- DAC Evaluation Kit for the MAX5180 MAX5182 MAX5183 MAX5185 MAX5186 MAX5188 MAX5189 MAX5191 RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)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 |
| MAX5184 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit, 40MHz, Current/Voltage-Output DACs |
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