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CLA4602-240

CLA4602-240

  • 厂商:

    SKYWORKS(思佳讯)

  • 封装:

  • 描述:

    CLA4602-240 - Silicon Limiter Diodes, Packaged and Bondable Chips - Skyworks Solutions Inc.

  • 数据手册
  • 价格&库存
CLA4602-240 数据手册
DATA SHEET CLA Series: Silicon Limiter Diodes, Packaged and Bondable Chips Applications Limiters Features Established Skyworks limiter diode process High power, mid-range, and cleanup designs Low insertion loss: 0.1 dB @ 10 GHz Power handling to +66 dBm Tight control of I layer base width Mesa and planar chip designs Description Skyworks CLA series of silicon limiter diodes provides passive receiver protection over a wide range of frequencies from 100 MHz to over 30 GHz. These devices use Skyworks wellestablished silicon technology resulting in high resistivity and tightly controlled base width PIN limiter diodes. Limiter circuits using these devices perform with strong limiting action and low loss. The CLA series consists of nine individual chip designs of different intrinsic region base widths and capacitances designed to accommodate multi-stage limiter applications. The mesaconstructed, thin base width, low capacitance CLA4601-000, CLA4602-000, CLA4604-000, and CLA4605-000 are designed for low-level and cleanup applications. The CLA4603-000 and CLA4606-000 through CLA4608-000 are planar designs designated for high-power and mid-range applications. The CLA4609-000 thick base width mesa diode is designed for coarse limiter-stage applications. The absolute maximum ratings of the CLA diode series are provided in Table 1. Electrical specifications are specified in Table 2. Typical performance characteristics are provided in Table 3 and Figures 1 through 5. Table 4 identifies the die part numbers with their corresponding top contact diameters and die outline drawings. Table 5 identifies the hermetic part numbers together with their thermal resistance specifications and hermetic outline drawings. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200100I • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 28, 2009 1 DATA SHEET • CLA SERIES DIODES Table 1. CLA Series Absolute Maximum Ratings Parameter Power dissipation Symbol PDIS Minimum Typical Maximum Maximum TJ Case Temp Thermal Re sis tan ce junction to case Units W Reverse voltage Forward current Junction temperature Storage temperature Note: VR IF TJ TSTG –65 –65 Minimum rated breakdown voltage 200 +175 +200 V mA C C Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device. CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times. Table 2. CLA Series Electrical Specifications (Note 1) (TOP = +25 C, CJ Measured at 1 MHz, RS Measured at 500 MHz, CW Thermal Resistance for Infinite Heat Sink, Pulse Thermal Resistance for Single 1 μs Pulse, Unless Otherwise Noted) Breakdown Voltage (V) I Region (μm) Junction Capacitance (CJ) @ 0 V (pF) Typical 0.12 0.20 0.20 0.12 0.20 0.20 0.20 0.80 0.26 Junction Capacitance (CJ) @ 6 V (pF) Maximum 0.10 0.15 0.15 0.10 0.15 0.15 0.15 @ 50 V 0.50 @ 50 V 0.14 Series Resistance (RS) @ 10 mA (Ω) Maximum 2.5 2.0 2.0 2.5 2.0 2.0 2.0 1.2 1.5 Minority Carrier Lifetime (TL) @ 10 mA (ns) Typical 5 5 5 7 7 10 50 100 1175 Thermal Impedance (θ) Average ( C/W) 1 μs Pulse ( C/W) Part Number Min – Max CLA4601-000 CLA4602-000 CLA4603-000 CLA4604-000 CLA4605-000 CLA4606-000 CLA4607-000 CLA4608-000 CLA4609-000 15 – 30 15 – 30 20 – 45 30 – 60 30 – 60 45 – 75 120 – 180 120 – 180 250 (Min.) Nominal 1 1 1.5 2.0 2.0 2.5 7.0 7.0 28 Maximum 120 80 100 100 70 80 40 15 15 Typical 15 10 10 10 7.0 7.0 1.2 0.3 0.3 Note 1: Performance is guaranteed only under the conditions listed in this Table and is not guaranteed over the full operating or storage temperature ranges. Operation at elevated temperatures may reduce reliability of the device. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 2 September 28, 2009 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200100I DATA SHEET • CLA SERIES DIODES Table 3. Typical Performance @ 25 °C Part Number CLA4601-000 CLA4602-000 CLA4603-000 CLA4604-000 CLA4605-000 CLA4606-000 CLA4607-000 CLA4608-000 CLA4609-000 Insertion Loss @ –10 dBm (dB) 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.3 Input Power for 1 dB Loss (dBm) 7 7 10 12 12 15 20 20 38 Maximum Pulsed Input Power (dBm) 47 50 50 47 50 53 60 66 70 Output @ Maximum Pulsed Input (dBm) 21 24 22 24 27 27 39 44 50 Maximum CW Input power (W) 2 3 2 3 4 3 6 15 20 Recovery Time (ns) 5 5 10 10 10 20 50 100 1000 Notes: Insertion loss for CLA4601-000 through CLA4607-000 @ 10 GHz. Insertion loss for CLA4608-000 @ 5 GHz. Insertion loss for CLA4609-000 @ 2.1 GHz. Limiter power results @ 1 GHz for shunt connected, single limiter diode and DC return in 50 Ω line. Maximum pulsed power for 1 μs pulse and 0.1% duty factor with chip @ 25 °C heat sink. Derate linearly to 0 W @ 175 °C. Maximum CW input power @ 25 °C heat sink. Derate linearly to 0 W @ 175 °C. Recovery time to insertion loss from limiting state. Table 4. CLA Series Parts – Die Packages Part Number CLA4601-000 CLA4602-000 CLA4603-000 CLA4604-000 CLA4605-000 CLA4606-000 CLA4607-000 CLA4608-000 CLA4609-000 Typical Top Contact Diameter (mils/mm) 1.10/0.028 1.25/0.032 2.00/0.050 1.65/0.042 2.05/0.052 2.25/0.057 3.50/0.089 7.50/0.190 6.50/0.165 Die Drawing 150-806 150-806 149-815 150-806 150-813 149-815 149-815 149-815 150-813 Table 5. Hermetic Packages Hermetic Stripline Drawing CLA4601-240 CLA4602-240 CLA4603-240 CLA4604-240 CLA4605-240 CLA4606-240 CLA4607-240 CLA4608-240 CLA4609-240 Typical θJC (°C/W) 200 160 180 160 150 160 120 100 100 Hermetic Pill Drawing CLA4601-203 CLA4602-203 CLA4603-203 CLA4604-203 CLA4605-203 CLA4606-203 CLA4607-203 CLA4608-203 CLA4609-203 Typical θJC (°C/W) 150 110 130 130 100 110 70 45 45 Hermetic Pill Drawing CLA4601-219 CLA4602-219 CLA4603-219 CLA4604-219 CLA4605-219 CLA4606-219 CLA4607-219 CLA4608-219 CLA4609-219 Typical θJC (°C/W) 200 160 180 180 150 160 120 100 100 Hermetic Pill Drawing CLA4601-210 CLA4602-210 CLA4603-210 CLA4604-210 CLA4605-210 CLA4606-210 CLA4607-210 CLA4608-210 CLA4609-210 Typical θJC (°C/W) 140 100 120 120 90 100 60 35 35 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200100I • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 28, 2009 3 DATA SHEET • CLA SERIES DIODES Typical Performance Characteristics at 25 °C +50 100 +40 Pulsed Thermal Impedance °C/W Normalized to 1 μs CLA4607 Output Power (dBm) +30 +20 CLA4606 CLA4604 CLA4603 CLA4601 CLA4608 CLA4607 10 CLA4601/2 CLA4606 CLA4603/4/5 1 1.00E-06 1.00E-04 1.00E-02 1.00E+00 +10 0 0 +10 +20 +30 +40 +50 +60 +66 Input Power (dBm) Figure 1. Typical Peak Leakage Power @ 1 GHz Pulse Width (sec) Figure 2. Normalized Pulsed Thermal Impedance 0.5 +50 Bonding Wires Peak Power Output (dBm) 50 Ω CJ Insertion Loss (dB) 0.4 Diode Chip RP 50 Ω 50 Ω Diode 50 Ω Chip +40 CLA4607 +30 +20 +10 CLA4606 CLA4604 CLA4603 CLA4601 Single Diode Section 0.50 pF 0.30 pF 0.3 0.15 pF 0.2 0.1 0 2 4 6 8 10 12 14 16 18 0 0 +10 +20 +30 +40 +50 +60 +66 Frequency (GHz) Figure 3. Typical Diode Insertion Loss vs Frequency Peak Output Power Input (dBm) Figure 4. Typical Peak Leakage Power @ 1 GHz Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 4 September 28, 2009 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200100I DATA SHEET • CLA SERIES DIODES Power Derating Factor 1.00 0.75 0.50 0.25 –50 0 +50 +100 +150 Case Temperature (°C) Figure 5. Power Handling Capability vs Temperature Technical Description The CLA4603 and CLA4606 limiter diodes are constructed in a passivated flat-chip configuration and are available in a basic chip form or encapsulated in several Skyworks hermetic ceramic packages. Limiter diodes with lower capacitance values to 0.08 pF and constructed with a passivated mesa configuration are available in the CLA4601 and CLA4605 series. The mesa devices offer low capacitance and, therefore, broader bandwidth, lower loss, and faster response at reduced power. These diodes are also available in chip package form and represent the ultimate in limiter performance not approached by other manufacturers. The CLA4607 diodes (highest power) are available in both planar and mesa construction. Figures 6 and 7 illustrate the fundamental structures of diodes mounted in a 50 Ω microstrip circuit. Additional bonding and handling methods are contained in the Skyworks Application Notes, Waffle Pack Chip Carrier Handling/Opening Procedure (document #200146) and Diode Chips, Beam-Lead Diodes, Capacitors: Bonding Methods and Packaging (document #200146). During the rise time of the incident pulse, the diodes behave in the following manner. The CLA4603, due to its thin I region, is the first to change to a low impedance. Experiments indicate that the CLA4603 reaches the 10 dB isolation point in about 1 ns and 20 dB in 1.5 ns with an incident power of 10 W. The CLA4606 takes about 4 ns and the CLA4607 about 50 ns to achieve 10 dB isolation. Consequently, the CLA4603 provides protection during the initial stages of pulse rise time with the thicker diodes progressively “turning on” as the power increases. With proper spacing (X1 and X2), the “on” diodes reflect high impedances to the upstream diodes, reducing the turn-on time for those diodes and ensuring that essentially all of the incident power is reflected by the input diode, preventing burnout of the thinner diodes. At the end of the pulse the process reverses and the diodes “recover” to their high impedance states; the free charge that was injected into their I regions by the high-incident power signal leaks off through the ground return and is also reduced by internal recombination. With a ground return, recovery time is on the order of 50 ns. With a high impedance return (for example, the circuit shown in Figure 10), the Schottky diode (such as the CDF7621-000) recovers or “opens” in practically zero time. Internal recombination on the order of several diode lifetimes is the only available mechanism for recovery of the limiter diodes. This recovery time can be long – on the order of 1 ms for the CLA4607 series. The shunt resistor (RR) minimizes the problem. One hundred Ohms approximately doubles the recovery time compared to a short circuit. When the Schottky diode is directly coupled to the transmission line in cascade after the coarse limiter, the leakage power is less than if a 0 Ω ground return were used. If the Schottky is decoupled too much, the leakage power increases due to the high DC impedance of a Schottky. Similarly, a 3 Ω ground return causes an increase of about 3 dB in leakage power compared to a 0 Ω return. Basic Applications In microstrip limiters, the bonding wire length and diameter together with the chip capacitance, form a low-pass filter (see Figure 8). Line lengths (X1 and X2) are varied to provide broadband matching and flat leakage characteristics. Typically, X1 and X2 are on the order of 0.1 wavelength. In Figure 9, the CLA4607 chip provides about 20 dB attenuation, reducing a 1 kW input signal to a 10 W output signal. The CLA4606 reduces this to 100 mW and the CLA4603 to about 20 mW. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200100I • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 28, 2009 5 DATA SHEET • CLA SERIES DIODES 50 Ω Connector 0.020 in. Typ. 0.001 in. Gold Wire Bond, Typical Ground Solder or Plane Epoxy Die Bond Microstrip Board TFG 0.006 in. Thick, Typical Figure 6. Diodes in 50 Ω Microstrip Circuit (Side View) Diode, Typical TFG Board Ground Return X1 X2 50 Ω Conductor 0.022 in., Typical Figure 7. Diodes in 50 Ω Microstrip Circuit (Top View) Coil for Ground Return X1 X2 CJ RP CJ RP 50 Ω CJ RR 50 Ω Figure 8. Low-Level Equivalent Circuit Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 6 September 28, 2009 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200100I DATA SHEET • CLA SERIES DIODES RF Ground Return
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