4306
器件描述：50 ヘ RF Digital Attenuator 5-bit, 31 dB, DC - 4.0 GHz
器件厂商：PEREGRINE [Peregrine Semiconductor Corp.]
文件大小：451.37KB，共11页
Sponsor by e络盟器件资料摘要：
Page 1 of 11
Document No. 70/0160~02C │ www.psemi.com ©2005 Peregrine Semiconductor Corp. All rights reserved.
4x4mm -20 Lead QFN
The PE4306 is a high linearity, 5-bit RF Digital Step Attenuator
(DSA) covering a 31 dB attenuation range in 1dB steps, and is
pin compatible with the PE430x series. This 50-ohm RF DSA
provides both parallel (latched or direct mode) and serial
CMOS control interface, operates on a single 3-volt supply and
maintains high attenuation accuracy over frequency and
temperature. It also has a unique control interface that allows
the user to select an initial attenuation state at power-up. The
PE4306 exhibits very low insertion loss and low power
consumption. This functionality is delivered in a 4x4 mm QFN
footprint.
The PE4306 is manufactured in Peregrine’s patented Ultra
Thin Silicon (UTSi®) CMOS process, offering the performance
of GaAs with the economy and integration of conventional
CMOS.
Product Specification
50 Ω RF Digital Attenuator
5-bit, 31 dB, DC – 4.0 GHz
Product Description
Figure 1. Functional Schematic Diagram
PE4306
Features
• Attenuation: 1 dB steps to 31 dB
• Flexible parallel and serial programming
interfaces
• Latched or direct mode
• Unique power-up state selection
• Positive CMOS control logic
• High attenuation accuracy and linearity
over temperature and frequency
• Very low power consumption
• Single-supply operation
• 50 Ω impedance
• Pin compatible with PE430x series
• Packaged in a 20 Lead 4x4 mm QFN
Figure 2. Package Type
Table 1. Electrical Specifications @ +25°C, V
DD
= 3.0 V
Notes: 1. Device Linearity will begin to degrade below 1 Mhz
2. See Max input rating in Table 2 & Figures on Pages 2 to 4 for data across frequency.
3. Note Absolute Maximum in Table 3.
Control Logic Interface
Parallel Control
Power-Up Control
Serial Control
RF Input RF Output
Switched Attenuator Array
5
3
2
Parameter Test Conditions Frequency Minimum Typical Maximum Units
Operation Frequency DC 4000
MHz
Insertion Loss
2
DC - 2.2 GHz - 1.5 2.25
dB
Attenuation Accuracy
Any Bit or Bit
Combination
DC ≤ 1.0 GHz
1.0 < 2.2 GHz
- -
±(0.3 + 3% of atten setting)
±(0.3 + 5% of atten setting)
dB
dB
1 dB Compression
3
1 MHz - 2.2 GHz 30 34 -
dBm
Input IP3
1, 2
Two-tone inputs
+18 dBm
1 MHz - 2.2 GHz - 52 - dBm
Return Loss DC - 2.2 GHz 15 20 - dB
Switching Speed 50% control to 0.5 dB - - 1 µs
Document No. 70/0160~02C │ www.psemi.com ©2005 Peregrine Semiconductor Corp. All rights reserved.
4x4mm -20 Lead QFN
The PE4306 is a high linearity, 5-bit RF Digital Step Attenuator
(DSA) covering a 31 dB attenuation range in 1dB steps, and is
pin compatible with the PE430x series. This 50-ohm RF DSA
provides both parallel (latched or direct mode) and serial
CMOS control interface, operates on a single 3-volt supply and
maintains high attenuation accuracy over frequency and
temperature. It also has a unique control interface that allows
the user to select an initial attenuation state at power-up. The
PE4306 exhibits very low insertion loss and low power
consumption. This functionality is delivered in a 4x4 mm QFN
footprint.
The PE4306 is manufactured in Peregrine’s patented Ultra
Thin Silicon (UTSi®) CMOS process, offering the performance
of GaAs with the economy and integration of conventional
CMOS.
Product Specification
50 Ω RF Digital Attenuator
5-bit, 31 dB, DC – 4.0 GHz
Product Description
Figure 1. Functional Schematic Diagram
PE4306
Features
• Attenuation: 1 dB steps to 31 dB
• Flexible parallel and serial programming
interfaces
• Latched or direct mode
• Unique power-up state selection
• Positive CMOS control logic
• High attenuation accuracy and linearity
over temperature and frequency
• Very low power consumption
• Single-supply operation
• 50 Ω impedance
• Pin compatible with PE430x series
• Packaged in a 20 Lead 4x4 mm QFN
Figure 2. Package Type
Table 1. Electrical Specifications @ +25°C, V
DD
= 3.0 V
Notes: 1. Device Linearity will begin to degrade below 1 Mhz
2. See Max input rating in Table 2 & Figures on Pages 2 to 4 for data across frequency.
3. Note Absolute Maximum in Table 3.
Control Logic Interface
Parallel Control
Power-Up Control
Serial Control
RF Input RF Output
Switched Attenuator Array
5
3
2
Parameter Test Conditions Frequency Minimum Typical Maximum Units
Operation Frequency DC 4000
MHz
Insertion Loss
2
DC - 2.2 GHz - 1.5 2.25
dB
Attenuation Accuracy
Any Bit or Bit
Combination
DC ≤ 1.0 GHz
1.0 < 2.2 GHz
- -
±(0.3 + 3% of atten setting)
±(0.3 + 5% of atten setting)
dB
dB
1 dB Compression
3
1 MHz - 2.2 GHz 30 34 -
dBm
Input IP3
1, 2
Two-tone inputs
+18 dBm
1 MHz - 2.2 GHz - 52 - dBm
Return Loss DC - 2.2 GHz 15 20 - dB
Switching Speed 50% control to 0.5 dB - - 1 µs