adl5386 Analog Devices, Inc., adl5386 Datasheet - Page 11

• Manufacturer Part Number: adl5386
• Description: 50 Mhz To 2200 Mhz Quadrature Modulator With Integrated Detector And Vva
• Manufacturer: Analog Devices, Inc.

Pin No.
24
25, 26, 29, 30
33
34
39
41 (EPAD)
Mnemonic
ENBL
IBBP, IBBN,
QBBN, QBBP
LOIP
LOIN
TADJ
Exposed
Pad (EPAD)
Description
IQ Modulator Enable. The IQ modulator is enabled by connecting this pin to VPOS and is disabled by connecting
ENBL to ground.
Differential In-Phase and Quadrature Baseband Inputs. These high impedance inputs should be dc-biased to 0.5 V.
Nominal characterized ac signal swing is 700 mV p-p on each pin, resulting in a differential drive of
1.4 V p-p on each input pair. These inputs are not self-biased and have to be externally biased.
Local Oscillator Input. The local oscillator signal, at two times the output frequency, should be ac-coupled into
this pin.
Local Oscillator Common. This pin should be ac-coupled to ground.
Temperature Compensation Adjustment Pin and Detector Enable/Disable. This pin is primarily used to
provide temperature compensation to the on-chip log amp based AGC circuit. The correct compensation
current is set by connecting a ground-referenced resistor to this pin. A value of 22.1 kΩ is recommended
for the frequencies over which the ADL5386 is specified. The TADJ pin can also be used to power down the
detector section of the ADL5386 by connecting it to VPOS. The detector must be disabled when the
modulator/VVA is operating in open loop mode.
Connect the exposed pad to ground via a low impedance path.
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ADL5386