Analog Devices specifications AD8342 SPECIFICATIONS

AD8342

SPECIFICATIONS

VS = 5 V, TA = 25°C, fRF = 238 MHz, fLO = 286 MHz, LO power = 0 dBm, ZO = 50 Ω, RBIAS = 1.82 kΩ, RF termination = 100 Ω, IF termi- nated into 100 Ω through a 2:1 ratio balun, unless otherwise noted.

Table 1.

Parameter	Conditions	Min	Typ	Max	Unit
RF INPUT INTERFACE
Return Loss	Hi-Z input terminated with 100 Ω off-chip resistor		10		dB
Input Impedance	Frequency = 238 MHz (measured at RFIN with RFCM ac-		10.4		kΩpF
	grounded)
DC Bias Level	Internally generated; port must be ac-coupled		2.4		V
OUTPUT INTERFACE
Output Impedance	Differential impedance, frequency = 48 MHz		100.5		kΩpF
DC Bias Voltage	Supplied externally	4.75	VS	5.25	V
Power Range	Via a 2:1 impedance ratio transformer			13	dBm
LO INTERFACE
Return Loss			10		dB
DC Bias Voltage	Internally generated; port must be ac-coupled		VS − 1.6		V
POWER-DOWN INTERFACE
PWDN Threshold			3.5		V
PWDN Response Time	Device enabled, IF output to 90% of its final level		0.4		µs
	Device disabled, supply current <5 mA		4		µs
PWDN Input Bias Current	Device enabled		−80		µA
	Device disabled		+100		µA
POWER SUPPLY
Positive Supply Voltage		4.75	5	5.25	V
Quiescent Current
VPDC	Supply current for bias cells		5		mA
VPMX, IFOP, IFOM	Supply current for mixer, RBIAS = 1.82 kΩ		58		mA
VPLO	Supply current for LO limiting amplifier		35		mA
Total Quiescent Current	VS = 5 V	85	98	113	mA
Power-Down Current	Device disabled		500		µA

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