MAX2309 MAXIM [Maxim Integrated Products], MAX2309 Datasheet - Page 13
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MAX2309
Manufacturer Part Number
MAX2309
Description
CDMA IF VGAs and I/Q Demodulators with VCO and Synthesizer
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX2309.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX2309ETI
Manufacturer:
MAXIM
Quantity:
40
Part Number:
MAX2309ETI
Manufacturer:
MAX
Quantity:
20 000
Table 3. MAX2309 Control Register States
Note: H = high, L = low, 1 = logic high, 0 = logic low, X = don’t care, blank = independent parameter.
OPERATIONAL
SHUTDOWN
SHUTDOWN
LO BUFFER
LO BUFFER
STANDBY
STANDBY
DIVIDER
DIVIDER
ENABLE
ENABLE
SELECT
SELECT
MODE
______________________________________________________________________________________
Shutdown pin com-
pletely powers down
the chip
0 in shutdown register
bit leaves serial bus
active
0 in standby pin turns
off VGA and modulator
only
0 in standby register bit
turns off VGA and mod-
ulator only
DIVSEL pin overrides
DIVSEL register bit
If DIVSEL pin is floated,
then register bit selects
divider
BUFEN pin controls the
LO buffer and overrides
the bit
If pin is floated, then
BUFEN register bit
controls buffer
RESULT
ACTION
CDMA IF VGAs and I/Q Demodulators
H/
H
H
H
H
H
H
L
L
H/
H/
X
X
L
L
F
PINS
H
H
X
X
F
with VCO and Synthesizer
H
H
X
X
L
M
S
B
X
X
X
X
X
X
0
0
0
0
0
0
X
X
CONTROL REGISTER
1/
X
X
X
0
X
X
X
X
X
X
X
X
X
X
X
X
1/
X
X
X
0
X
X
X
X
X
X
X
0
B
L
S
X
0
1
1
1
1
1
1
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