AD608
SPECIFICATIONS
T
A
= 25°C, supply = 3 V, dBm is referred to 50 Ω, unless otherwise noted.
Table 1.
Parameter
MIXER PERFORMANCE
RF and LO Frequency Range
LO Power
Conversion Gain
Noise Figure
1 dB Compression Point
Third-Order Intercept
Input Resistance
Input Capacitance
LIMITER PERFORMANCE
Gain
Limiting Threshold
Input Resistance
Input Capacitance
Phase Variation
DC Level
Output Level
Rise and Fall Times
Output Impedance
RSSI PERFORMANCE
Nominal Slope
Nominal Intercept
Minimum RSSI Voltage
Maximum RSSI Voltage
RSSI Voltage Intercept
Logarithmic Linearity Error
RSSI Response Time
Output Impedance
POWER-DOWN INTERFACE
Logic Threshold
Input Current
Power-Up Response Time
Power-Down Response Time
Power-Down Current
POWER SUPPLY
Operating Range
Powered Up Current
OPERATING TEMPERATURE
T
MIN
to T
MAX
Conditions
Min
Typ
500
−16
24
11
16
−15
−5
1.9
3
110
−75
10
3
±3
2
400
11
200
17.27
20
−85
0.2
1.8
±1
200
250
1.5
75
200
400
100
2.7
3.0
7.3
−25
−40
+85
+85
5.5
5.5
23.27
Max
Unit
MHz
dBm
dB
dB
dB
dBm
dBm
kΩ
pF
dB
dBm
kΩ
pF
Degrees
V
mV p-p
ns
Ω
mV/dB
dBm
V
V
V
dB
ns
Ω
V
mA
ns
ns
μA
V
V
mA
°C
°C
Input terminated in 50 Ω
Driving doubly terminated 330 Ω IF filter, Z
IF
= 165 Ω
Matched input, f
RF
= 100 MHz
Matched input, f
RF
= 240 MHz
Input terminated in 50 Ω
f
RF
= 240 MHz and 240.02 MHz, f
LO
= 229.3 MHz
f
RF
= 100 MHz (see Table 5)
f
RF
= 100 MHz (see Table 5)
Full temperature and supply range
3° rms phase jitter at 10.7 MHz
280 kHz IF bandwidth
19
28
−75 dBm to +5 dBm IF input signal at 10.7 MHz
Center of output swing (VPOS – 1 V)
Limiter output driving 5 kΩ load
Driving a 5 pF load
At 10.7 MHz
At VPOS = 3 V; proportional to VPOS
−75 dBm input signal
+5 dBm input signal
0 dBm input signal
−75 dBm to +5 dBm input signal at IFHI
90% RF to 50% RSSI
At midscale
System active on logic high
For logic high
Active limiter output
To 200 μA supply current
1.57
1.82
−25°C to +85°C
−40°C to +85°C
VPOS = 3 V
VPOS = 2.7 V to 5.5 V
VPOS = 3.0 V to 5.5 V
1
VPOS is used to refer collectively to the VPS1 and VPS2 pins.
Rev. C | Page 3 of 16
AD [ ANALOG DEVICES ]
