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| 型號： | AD9910BSVZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 42/64頁 |
| 文件大小： | 0K |
| 描述： | IC DDS 1GSPS 14BIT PAR 100TQFP |
| 產(chǎn)品培訓(xùn)模塊： | Direct Digital Synthesis Tutorial Series (1 of 7): Introduction Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator |
| 設(shè)計資源： | Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers (CN0121) |
| 標準包裝： | 1 |
| 分辨率（位）： | 14 b |
| 主 fclk： | 1GHz |
| 調(diào)節(jié)字寬（位）： | 32 b |
| 電源電壓： | 1.8V, 3.3V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 100-TQFP-EP（14x14） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 552 (CN2011-ZH PDF) |
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Data Sheet
AD9910
Rev. D | Page 47 of 64
POWER SUPPLY PARTITIONING
The AD9910 features multiple power supplies, and their power
consumption varies with its configuration. This section covers
which power supplies can be grouped together and how the
power consumption of each block varies with frequency.
The values quoted in this section are for comparison only. Refer
to Table 1 for exact values. With each group, use 0.1 μF or 0.01 μF
bypass capacitors in parallel with a 10 μF capacitor.
The recommendations here are for typical applications, for
which there are four groups of power supplies: 3.3 V digital,
3.3 V analog, 1.8 V digital, and 1.8 V analog.
Applications demanding the highest performance may require
additional power supply isolation.
3.3 V SUPPLIES
DVDD_I/O (3.3 V) (Pin 11, Pin 15, Pin 21, Pin 28, Pin 45,
Pin 56, and Pin 66)
These 3.3 V supplies can be grouped together. The power
consumption on these pins varies dynamically with serial port
activity.
AVDD (3.3 V) (Pin 74 to Pin 77 and Pin 83)
These are 3.3 V DAC power supplies that typically consume
about 28 mA. At a minimum, a ferrite bead should be used to
isolate these from other 3.3 V supplies, with a separate regulator
being ideal. The current consumption of these supplies consist
mainly of biasing current and do not vary with frequency.
1.8 V SUPPLIES
DVDD (1.8 V) (Pin 17, Pin 23, Pin 30, Pin 47, Pin 57, and
Pin 64)
These pins can be grouped together. Their current consumption
increases linearly with the system clock frequency. See Figure 17
and Figure 18 for typical current consumption curves. There is
also a slight (~5%) increase as fOUT increases from 50 MHz to
400 MHz.
AVDD (1.8 V) (Pin 3)
This 1.8 V supply powers the REFCLK multiplier (PLL) and
consumes about 7 mA. For applications demanding the highest
performance with the PLL enabled, this supply should be
isolated from other 1.8 V AVDD supplies with a separate
regulator. For less demanding applications, this supply can be
run off the same regulator as Pin 89 and Pin 92 with a ferrite
bead to isolate Pin 3 from Pin 89 and Pin 92.
The loop filter for the PLL should directly connect to Pin 3. If
the PLL is bypassed, Pin 3 should still be powered, but isolation
is not critical.
AVDD (1.8 V) (Pin 6)
This pin can be grouped together with the DVDD 1.8 V supply
pins. For the highest performance, a ferrite bead should be used
for isolation, with a separate regulator being ideal.
AVDD (1.8 V) (Pin 89 and Pin 92)
This 1.8 V supply for the REFCLK input consumes about
15 mA. These pins can run off the supply of Pin 3 with a ferrite
bead to isolate Pin 3 from Pin 89 and Pin 92. At a minimum, a
ferrite bead should be used to isolate these from other 1.8 V
supplies. However, for applications demanding the highest
performance, a separate regulator is recommended.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9910BSVZ | 制造商:Analog Devices 功能描述:IC DDS 1GHZ TQFP-100 制造商:Analog Devices 功能描述:IC, DDS, 1GHZ, TQFP-100 |
| AD9910BSVZ-REEL | 功能描述:IC DDS 1GSPS 14BIT PAR 100TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數(shù)字合成 (DDS) 系列:- 產(chǎn)品變化通告:Product Discontinuance 27/Oct/2011 標準包裝:2,500 系列:- 分辨率（位）:10 b 主 fclk:25MHz 調(diào)節(jié)字寬（位）:32 b 電源電壓:2.97 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| AD9911 | 制造商:AD 制造商全稱:Analog Devices 功能描述:500 MSPS Direct Digital Synthesizer with 10-Bit DAC |
| AD9911/PCB | 制造商:Analog Devices 功能描述:500 MSPS DIRECT DGTL SYNTHESIZER W/ 10-BIT DAC AD9911/PCB - Bulk |
| AD9911/PCBZ | 功能描述:BOARD EVAL FOR AD9911 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:AgileRF™ 標準包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
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