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參數(shù)資料
| 型號(hào)： | DAC1401D125HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | DAC |
| 英文描述： | Dual 14-bit DAC, up to 125 Msps |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.043 us SETTLING TIME, 14-BIT DAC, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC. LQFP-48 |
| 文件頁數(shù)： | 14/25頁 |
| 文件大?。?/td> | 359K |
| 代理商： | DAC1401D125HL |
DAC1401D125_1
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 13 November 2008
14 of 25
NXP Semiconductors
DAC1401D125
Dual 14-bit DAC, up to 125 Msps
10. Application information
10.1 General description
The DAC1401D125 is a dual 14-bit DAC operating up to 125 Msps. Each DAC consists of
a segmented architecture, comprising a 7-bit thermometer sub-DAC and a 7-bit binary
weighted sub-DAC.
Two modes are available for the digital input depending on the status of the pin MODE. In
Dual port mode, each DAC uses its own data input line at the same frequency as the
update rate. In Interleaved mode, both DACs use the same data input line at twice the
update rate.
Each DAC generates on pins IOUTAP/IOUTAN and IOUTBP/IOUTBN two complementary
current outputs. This provides a full-scale output current (I
O(fs)
), up to 20 mA. A single
common or two independent full-scale current controls can be selected for both channels
using pin GAINCTRL. An internal reference is available for the reference current which is
externally adjustable using pin REFIO.
The DAC1401D125 operates at 3.3 V and has separate digital and analog power supplies.
Pin PWD is used to power-down the device. The digital input is 1.8 V compliant, 3.3 V
compliant and 5 V tolerant.
10.2 Input data
The DAC1401D125 input follows a straight binary coding where DA13 and DB13 are the
Most Significant Bits (MSB) and DA0 and DB0 are the Least Significant Bits (LSB).
The setting applied to pin MODE defines whether the DAC1401D125 operates in Dual
port mode or in Interleaved mode (see
Table 6
).
Fig 13. Analog supply current as a function of the output current
001aaj032
l
O
(mA)
0
20
15
10
5
20
40
60
I
DDA
(mA)
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC1401D125HL/C1,1 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC DAC 2-CH Segment 14-Bit 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 |
| DAC1401D125HL/C1,118 | 制造商:NXP Semiconductors 功能描述: |
| DAC1401D125HL-C1 | 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 |
| DAC1401D125HL-C18 | 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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