AD8344
Rev. 0 | Page 3 of 20
SPECIFICATIONS
V
S
= 5 V, T
A
= 25°C, f
RF
= 890 MHz, f
LO
= 1090 MHz, LO power = 0 dBm, Z
O
= 50 Ω, R
BIAS
= 2.43 kΩ, unless otherwise noted.
Table 1.
Parameter Conditions Min Typ Max Unit
RF INPUT INTERFACE (Pin 15, RFIN and Pin 14, RFCM)
Return Loss 10 dB
DC Bias Level Internally generated; port must be ac-coupled 2.6 V
OUTPUT INTERFACE
Output Impedance Differential impedance, f = 200 MHz 9||1 kΩ||pF
DC Bias Voltage Externally generated 4.75 V
S
5.25 V
Power Range Via a 4:1 balun 13 dBm
LO INTERFACE
LO Power −10 0 +4 dBm
Return Loss 10 dB
DC Bias Voltage Internally generated; port must be ac-coupled V
S
− 1.6 V
POWER-DOWN INTERFACE
PWDN Threshold V
S
− 1.4 V
PWDN Response Time Device enabled, IF output to 90% of its final level 0.4 µs
Device disabled, supply current < 5 mA 0.01 µs
PWDN Input Bias Current Device enabled −80 µA
Device disabled 100 µA
POWER SUPPLY
Positive Supply Voltage 4.75 V
S
5.25 V
Quiescent Current
VPDC Supply current for bias cells 5 mA
VPMX, IFOP, IFOM Supply current for mixer, R
BIAS
= 2.43 kΩ 44 mA
VPLO Supply current for LO limiting amplifier 35 mA
Total Quiescent Current 73 84 95 mA
Power-Down Current Device disabled 500 µA
