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參數(shù)資料
| 型號(hào)： | ADA4927-1YCPZ-R7 |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 15/24頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP CF DIFF 65MA LN 16LFCSP |
| 特色產(chǎn)品： | ADA4927: Ultralow Distortion Current Feedback Differential ADC Driver |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 放大器類型： | 電流反饋 |
| 電路數(shù)： | 1 |
| 輸出類型： | 差分 |
| 轉(zhuǎn)換速率： | 5000 V/µs |
| -3db帶寬： | 2.3GHz |
| 電流 - 輸入偏壓： | 500nA |
| 電壓 - 輸入偏移： | 300µV |
| 電流 - 電源： | 20mA |
| 電流 - 輸出 / 通道： | 65mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 11 V，±2.25 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 16-LFCSP-VQ |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁(yè)面： | 765 (CN2011-ZH PDF) |
| 其它名稱： | ADA4927-1YCPZ-R7DKR |
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ADA4927-1/ADA4927-2
Rev. A | Page 22 of 24
LAYOUT, GROUNDING, AND BYPASSING
As a high speed device, the ADA4927 is sensitive to the PCB
environment in which it operates. Realizing its superior performance
requires attention to the details of high speed PCB design. This
section shows a detailed example of how the ADA4927-1 was
addressed.
The first requirement is a solid ground plane that covers as
much of the board area around the ADA4927-1 as possible.
However, clear the area near the feedback resistors (RF), gain
resistors (RG), and the input summing nodes (Pin 2 and Pin 3) of
all ground and power planes (see Figure 55). Clearing the ground
and power planes minimizes any stray capacitance at these nodes
and prevents peaking of the response of the amplifier at high
frequencies. Whereas ideal current feedback amplifiers are
insensitive to summing node capacitance, real-world amplifiers
can exhibit peaking due to excessive summing node capacitance.
The thermal resistance, θJA, is specified for the device, including
the exposed pad, soldered to a high thermal conductivity 4-layer
circuit board, as described in EIA/JESD 51-7.
0
75
74
-0
55
Figure 55. Ground and Power Plane Voiding in Vicinity of RF AND RG
Bypassed the power supply pins as close to the device as possible
and directly to a nearby ground plane. Use high frequency ceramic
chip capacitors. It is recommended that two parallel bypass
capacitors (1000 pF and 0.1 μF) be used for each supply. The
1000 pF capacitor should be placed closer to the device. Further
away, provide low frequency bulk bypassing, using 10 μF
tantalum capacitors from each supply to ground.
Make signal routing short and direct to avoid parasitic effects.
Wherever complementary signals exist, provide a symmetrical
layout to maximize balanced performance. When routing
differential signals over a long distance, place PCB traces close
together, and twist any differential wiring such that the loop
area is minimized. Doing this reduces radiated energy and
makes the circuit less susceptible to interference.
1.30
0.80
1.30
07
57
4-
0
56
Figure 56. Recommended PCB Thermal Attach Pad Dimensions (Millimeters)
1.30
0.30
PLATED
VIA HOLE
GROUND PLANE
POWER PLANE
BOTTOM METAL
TOP METAL
4-
05
7
07
57
Figure 57. Cross-Section of 4-Layer PCB Showing Thermal Via Connection to Buried Ground Plane (Dimensions in Millimeters)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADA4927-1YCPZ-RL | 功能描述:IC OPAMP CF DIFF 65MA LN 16LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
| ADA4927-2 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultralow Distortion Current Feedback Differential ADC Driver |
| ADA4927-2YCP-EBZ | 功能描述:BOARD EVAL FOR ADA4927-2YCP RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 運(yùn)算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| ADA4927-2YCPZ-R2 | 功能描述:IC OPAMP CF DIFF DUAL LN 24LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
| ADA4927-2YCPZ-R7 | 功能描述:IC OPAMP CF DIFF DUAL LN 24LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:帶卷 (TR) |
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