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參數(shù)資料
| 型號： | LTC6605IDJC-14#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 8/20頁 |
| 文件大小： | 0K |
| 描述： | IC FILTER 14MHZ DUAL 22-DFN |
| 標準包裝： | 61 |
| 濾波器類型： | 抗混迭 |
| 頻率 - 截止或中心： | 5MHz |
| 濾波器數(shù)： | 2 |
| 濾波器階數(shù)： | 2nd |
| 電源電壓： | 2.7 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 22-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 22-DFN（6x3）裸露焊盤 |
| 包裝： | 管件 |
LTC6605-14
16
660514f
Board Layout and Bypass Capacitors
For single-supply applications it is recommended that a
high quality X5R or X7R, 0.1μF bypass capacitor be placed
directly between V+ and the adjacent V– pin. The V– pins,
including the Exposed Pad, should be tied directly to a
low impedance ground plane with minimal routing.
For split power supplies, it is recommended that addi-
tional high quality X5R or X7R, 0.1μF capacitors be used
to bypass pin V+ to ground and V– to ground, again with
minimal routing.
For driving heavy differential loads (< 200Ω), additional
bypass capacitance may be needed between V+ and V– for
optimal performance. Keep in mind that small geometry
(e.g., 0603) surface mount ceramic capacitors have a much
higher self-resonant frequency than do leaded capacitors,
and perform best in high speed applications.
The VOCM pins should be bypassed to ground with a high
quality ceramic capacitor (at least 0.01μF). In split-sup-
ply applications, the VOCM pin can be either bypassed to
ground or directly hard wired to ground.
Stray parasitic capacitances to any unused input pins
should be kept to a minimum to prevent deviations from the
ideal frequency response. The best approach is to remove
the solder pads for the unused component pins and strip
APPLICATIONS INFORMATION
away any ground plane underneath. Floating unused pins
does not reduce the reliability of the part.
At the output, always keep in mind the differential nature
of the LTC6605-14, because it is important that the load
impedances seen by both outputs (stray or intended) be
as balanced and symmetric as possible. This will help pre-
serve the balanced operation that minimizes the generation
of even-order harmonics and maximizes the rejection of
common mode signals and noise.
Driving ADCs
The LTC6605-14’s rail-to-rail differential output and ad-
justable output common mode voltage make it ideal for
interfacing to differential input ADCs. These ADCs are
typically supplied from a single-supply voltage which can
be as low as 3V (2.7V minimum), and have an optimal com-
mon mode input range near mid-supply. The LTC6605-14
makes interfacing to these ADCs easy, by providing
antialiasing, single-ended to differential conversion and
common mode level shifting.
The sampling process of ADCs creates a transient that is
caused by the switching in of the ADC sampling capaci-
tor. This momentarily “shorts” the output of the amplier
as charge is transferred between amplier and sampling
capacitor. The amplier must recover and settle from this
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相關代理商/技術參數(shù) |
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| LTC6605IDJC-14-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Matched 14MHz Filter with Low Noise, Low Distortion Differential Amplifi er |
| LTC6605IDJC-7#PBF | 功能描述:IC FILTER 7MHZ DUAL 22-DFN RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) |
| LTC6605IDJC-7#TRPBF | 功能描述:IC FILTER 7MHZ DUAL 22-DFN RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) |
| LTC6605IDJC-7-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Matched 7MHz Filter with Low Noise, Low Distortion Differential Amplifi er |
| LTC6605IDJC-7-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Matched 7MHz Filter with Low Noise, Low Distortion Differential Amplifi er |
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