Datasheet LTC5564 (Analog Devices) - 8

LTC5564
PIN FUNCTIONS RFIN (Pin 1):
RF Input Voltage. A coupling capacitor must
G0, G1 (Pins 7, 8):
Amplifier Gain Selection. Logic low or be used to connect to the RF signal source. This pin has high levels on the G0 and G1 pins will change the internal an internal 250Ω termination, an internal Schottky diode amplifier gain, bandwidth and slew rate characteristics. See detector and an internal 8pF reservoir capacitor. the Applications Information section for gain setting codes.
NC (Pins 2, 9, 16):
No Connect. These pins should be left
VOUT (Pin 10):
Detector Amplifier Output. unconnected by the user for best RF performance.
VCCP (Pin 11):
High Current Power Supply Pin.
GND (Pins 3, 4, Exposed Pad Pin 17):
These pins should
V
be tied to system ground. See Applications Information
CCA (Pin 12):
Analog Power Supply Pin. for best practices.
VCOMP (Pin 13):
Comparator Output.
LEN (Pin 5):
Comparator Latch Enable Input. VCOMP will be
VREF (Pin 14):
Comparator Negative Input. Apply an ex- latched when LEN is high and transparent when LEN is low. ternal reference voltage to this pin.
VOUTADJ (Pin 6):
Amplifier Output Offset Adjust. When left
VCCRF (Pin 15):
RF Power Supply Pin. floating, the VOUT pin of the amplifier will be at its nominal quiescent output offset value. See the Applications Infor- mation section for adjustment range. 5564fc 8 For more information www.linear.com/LTC5564 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Applications Information Revision History Typical Application Related Parts