Datasheet LTC5533 (Analog Devices)
| Hersteller | Analog Devices |
| Beschreibung | 300MHz to 11GHz Precision Dual RF Power Detector |
| Seiten / Seite | 12 / 1 — FEATURES. DESCRIPTIO. Two Independent Temperature Compensated. Schottky … |
| Dateiformat / Größe | PDF / 252 Kb |
| Dokumentensprache | Englisch |
FEATURES. DESCRIPTIO. Two Independent Temperature Compensated. Schottky Diode RF Peak Detectors
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LTC5533 300MHz to 11GHz Precision Dual RF Power Detector
U FEATURES DESCRIPTIO
■
Two Independent Temperature Compensated
The LTC®5533 is a dual channel RF power detector for RF
Schottky Diode RF Peak Detectors
applications operating in the 300MHz to 11GHz range. ■
45dB Channel-to-Channel Isolation at 2GHz
Two independent temperature compensated Schottky di- ■
Wide Input Frequency Range: 300MHz to 11GHz*
ode peak detectors and buffer amplifiers are combined in ■
Wide Input Power Range: –32dBm to 12dBm
a small 4mm × 3mm DFN package. ■
Buffered Detector Outputs with Gain of 2x
The RF input voltage is peak detected using on-chip ■
Adjustable VOUT Starting Voltage
Schottky diodes. The detected voltage is buffered and ■
Wide VCC Range of 2.7V to 6V
supplied to the V ■ Low Operating Current: <500µA/Channel OUT pins. A power saving shutdown mode reduces current to less than 2µA/channel. The initial ■ Low Shutdown Current: <2µA/Channel output starting voltages can be precisely adjusted using ■ 4mm × 3mm DFN Package the VOS pins.
U
The LTC5533 operates with input power levels from
APPLICATIO S
–32dBm to 12dBm. ■ PA Forward and Reverse Power Monitor , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. ■ Dual PA Transmit Power Control *Higher frequency operation is achievable with reduced performance. Consult factory for more information. ■ 802.11a, b, g, 802.15, WiMAX ■ PA Linearization ■ Fixed Wireless Access ■ RF Power Alarm ■ Envelope Detector
U TYPICAL APPLICATIO 300MHz to 11GHz RF Power Detectors Output Voltage vs RF Input Power
3600 V LTC5533 39pF CC = 3.6V 3200 VOS = 0V V V RF RF1 INPUT 4GHz CC CC1 IN1 TA = 25°C 2800 100pF 1GHz VOUT1 GND1 2400 5GHz VOS1 VOS1 SHDN1 39pF 2000 500MHz VCC2 RFIN2 RF2 INPUT 1600 6GHz 0.1µF 100pF V 1200 OUT2 GND2 OUTPUT VOLTAGE (mV) 8GHz 11GHz OUT 800 V V OS2 V SHDN2 DISABLE ENABLE OS2 10GHz 400 5533 TA01 9GHz 0 (EXPOSED PAD) –28 –24 –20 –16 –12 –8 –4 0 4 8 12 RF INPUT POWER (dBm) 5533 TA02 5533f 1
U FEATURES DESCRIPTIO
■
Two Independent Temperature Compensated
The LTC®5533 is a dual channel RF power detector for RF
Schottky Diode RF Peak Detectors
applications operating in the 300MHz to 11GHz range. ■
45dB Channel-to-Channel Isolation at 2GHz
Two independent temperature compensated Schottky di- ■
Wide Input Frequency Range: 300MHz to 11GHz*
ode peak detectors and buffer amplifiers are combined in ■
Wide Input Power Range: –32dBm to 12dBm
a small 4mm × 3mm DFN package. ■
Buffered Detector Outputs with Gain of 2x
The RF input voltage is peak detected using on-chip ■
Adjustable VOUT Starting Voltage
Schottky diodes. The detected voltage is buffered and ■
Wide VCC Range of 2.7V to 6V
supplied to the V ■ Low Operating Current: <500µA/Channel OUT pins. A power saving shutdown mode reduces current to less than 2µA/channel. The initial ■ Low Shutdown Current: <2µA/Channel output starting voltages can be precisely adjusted using ■ 4mm × 3mm DFN Package the VOS pins.
U
The LTC5533 operates with input power levels from
APPLICATIO S
–32dBm to 12dBm. ■ PA Forward and Reverse Power Monitor , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. ■ Dual PA Transmit Power Control *Higher frequency operation is achievable with reduced performance. Consult factory for more information. ■ 802.11a, b, g, 802.15, WiMAX ■ PA Linearization ■ Fixed Wireless Access ■ RF Power Alarm ■ Envelope Detector
U TYPICAL APPLICATIO 300MHz to 11GHz RF Power Detectors Output Voltage vs RF Input Power
3600 V LTC5533 39pF CC = 3.6V 3200 VOS = 0V V V RF RF1 INPUT 4GHz CC CC1 IN1 TA = 25°C 2800 100pF 1GHz VOUT1 GND1 2400 5GHz VOS1 VOS1 SHDN1 39pF 2000 500MHz VCC2 RFIN2 RF2 INPUT 1600 6GHz 0.1µF 100pF V 1200 OUT2 GND2 OUTPUT VOLTAGE (mV) 8GHz 11GHz OUT 800 V V OS2 V SHDN2 DISABLE ENABLE OS2 10GHz 400 5533 TA01 9GHz 0 (EXPOSED PAD) –28 –24 –20 –16 –12 –8 –4 0 4 8 12 RF INPUT POWER (dBm) 5533 TA02 5533f 1