Datasheet

AD8368
Rev. B | Page 3 of 20
SPECIFICATIONS
V
S
= 5 V, T
A
= 25°C, system impedance Z
0
= 50 Ω, V
MODE
= 5 V, RF input = 140 MHz, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Conditions
OVERALL FUNCTION
Frequency Range LF 800 MHz 3 dB bandwidth
Maximum Input 3 V
P
To avoid input overload
Maximum Output
1
2 V
P
To avoid clipping
AC Input Impedance 50 Ω From INPT to ICOM
AC Output Impedance 50 Ω From OUTP to OCOM
GAIN CONTROL INTERFACE (GAIN)
Gain Span 34 dB
Gain Scaling 37.5 dB/V
V
MODE
= 5 V, 50 mV ≤ V
GAIN
≤ 950 mV
−38 dB/V
V
MODE
= 0 V, 50 mV ≤ V
GAIN
≤ 950 mV
Gain Accuracy
±0.4
dB
100 mV ≤ V
GAIN
≤ 900 mV
Maximum Gain 22 dB V
GAIN
= 1 V
Minimum Gain −12 dB V
GAIN
= 0 V
V
GAIN
Range 0 1 V
Gain Step Response 100 ns For 6 dB gain step
Gain Input Bias Current −2 μA
f = 70 MHz
Noise Figure 9.5 dB Maximum gain
Output IP3 34 dBm f
1
= 70 MHz, f
2
= 71 MHz, V
GAIN
= 1 V, 0 dBm per output tone
Output P1dB
1
16 dBm V
GAIN
= 0 V, V
MODE
= 0 V
f = 140 MHz
Noise Figure 9.5 dB Maximum gain
Output IP3 33 dBm f
1
= 140 MHz, f
2
= 141 MHz, V
GAIN
= 1 V, 0 dBm per output tone
Output P1dB
1
16 dBm V
GAIN
= 0 V, V
MODE
= 0 V
f = 240 MHz
Noise Figure 9.7 dB Maximum gain
Output IP3 33 dBm f
1
= 240 MHz, f
2
= 241 MHz, V
GAIN
= 1 V, 0 dBm per output tone
Output P1dB
1
15 dBm V
GAIN
= 0 V, V
MODE
= 0 V
f = 380 MHz
Noise Figure 10 dB Maximum gain
Output IP3 29 dBm f
1
= 380 MHz, f
2
= 381 MHz, V
GAIN
= 1 V, 0 dBm per output tone
Output P1dB
1
13 dBm V
GAIN
= 0 V, V
MODE
= 0 V
1
Operation at compression is not recommended due to adverse distortion components.