ACD2203
Table 1: Pin Description
PIN
NAME
DESCRIPTION
Downconverter
Differential RFInput
PIN
NAME
DESCRIPTION
Downconverter
Differential IFOutput
Inductively coupled to
+V
DD
Downconverter
Differential IFOutput
Inductively coupled to
+V
DD
Downconverter Ground
(Must be connected)
Oscillator and Phase
Splitter 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
)
1
RF
IN+
28
V
IF
+IF
OUT+
2
RF
IN-
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)
Address Select
27
V
IF
+IF
OUT
-
3
GND
26
GND
4
I
SET
25
V
SUP
5
T
CKT
24
OSC
OUT
6
OSC
GND
23
GND
7
8
9
10
OSC
GND
V
SS
V
SS
AS
22
21
20
19
GND
V
SS
V
SS
RF
D
11
DATA
2-Wire Interface Data
18
C P
D
12
13
C LK
REF
IN
2-Wire Interface Clock
Crystal Reference Input
17
16
C P
U
RF
U
14
REF
OUT
Crystal Reference Output
15
V
SYN
PRELIMINARY DATA SHEET - Rev 1.3
12/2003
3