ACD2204
Table 1: Pin Description
PIN
1
NAME
RF
IN+
DESCRIPTION
Downconverter
Differential RFInput
Downconverter
Differential RFInput
Downconverter Ground
(Must be connected)
Downconverter Gilbert
Cell Current Source
Resistor
Oscillator Input Port
(Tank circuit connection)
Oscillator Tank Circuit
Ground (Not to be
connected to any other
circuit ground)
Same as Pin 6
Synthesizer Ground
(Required)
Synthesizer Ground
(Required)
3-Wire Interface Enable
3-Wire Interface Data
3-Wire Interface Clock
Crystal Reference Input
Crystal Reference
Output
PIN
28
NAME
V
IF
+IF
OUT+
DESCRIPTION
Differential IF Amplifier
Output, Inductively
coupled to +V
DD
Differential IF Amplifier
Output, Inductively
coupled to +V
DD
Downconverter Ground
(Must be connected)
Downconverter Supply
(+V
DD
)
Oscillator Output
(Connected to
Synthesizer RF Input)
Downconverter Ground
(Must be connected)
Downconverter Ground
(Must be connected)
Synthesizer Ground
(Required)
Synthesizer Ground
(Required)
Synthesizer
Downconverter RFInput
Synthesizer
Downconverter
Charge Pump Output
Synthesizer Upconverter
Charge Pump Output
Synthesizer Upconverter
RFInput
Synthesizer Supply
(+V
DD
)
2
3
4
RF
IN-
GND
I
SET
27
26
25
V
IF
+IF
OUT
-
GND
V
SUP
5
T
CKT
24
OSC
OUT
6
OSC
GND
23
GND
7
8
9
10
11
12
13
14
OSC
GND
V
SS
V
SS
EN
DATA
CLK
REF
IN
REF
OUT
22
21
20
19
18
17
16
15
GND
V
SS
V
SS
RF
D
CP
D
CP
U
RF
U
V
SYN
PRELIMINARY DATA SHEET - Rev 1.0
04/2003
3
ANADIGICS [ ANADIGICS, INC ]
