ARA1400
continued: AC Electrical Specifications
(T
A
= 25 °C; V
DD
, V
ATTN
= +5.0 VDC; Tx = 0 V (switch closed), Tx = +5 V (switch open))
PARAMETER
Input Return Loss
(75 Ohm characteristic impedance)
Output Impedance
Output Return Loss
(75 Ohm characteristic impedance)
Output Voltage Transient
switch closed / switch open
Note: As measured in ANADIGICS test fixture.
MIN
-
-
-
-
-
TYP
-20
-20
-12
-17
-15
4
MAX
-15
-15
-10
-12
-10
7
UNIT
dB
Ohms
dB
mVp-p
COMMENTS
Switch closed
Switch open
Switch closed
Switch open
Table 6: Logic Interface Specifications
(T
A
= 25 °C; V
DD
, V
ATTN
= +5.0 VDC)
PARAMETER
Attenuator Control Logic
V
IN
,
LOW
V
IN
,
HIGH
Attenuator Control Impedance
Output Switch Control Logic
V
IN
,
LOW
V
IN
,
HIGH
Output Switch Control Impedance
MIN
0
2.7
-
0
2.8
-
TYP
-
-
5K
-
-
10 K
MAX
0.5
5.5
-
1
5.5
-
UNIT
COMMENTS
Bypasses atten. stage
Enables atten. stage
V
Ohms
V
Ohms
Switch closed
Swicth open
Table 7: Attenuator Logic
ATTENUATION (dB)
4 dB Logic Input (pin 16)
8 dB Logic Input (pin 15)
16 dB Logic Input (pin 14)
32 dB Logic Input (pin 13)
0
L
L
L
L
4
H
L
L
L
8
L
H
L
L
12
H
H
L
L
16
L
L
H
L
20
H
L
H
L
24
L
H
H
L
28
H
H
H
L
32
L
L
L
H
36
H
L
L
H
40
L
H
L
H
44
H
H
L
H
48
L
L
H
H
52
H
L
H
H
56
L
H
H
H
60
H
H
H
H
Notes: “L” = logic low, “H” = logic high
6
Data Sheet - Rev 2.1
03/2004
ANADIGICS [ ANADIGICS, INC ]
