MAX2309EGI Maxim Integrated, MAX2309EGI Datasheet - Page 13

• Manufacturer Part Number: MAX2309EGI
• Description: Modulator / Demodulator
• Manufacturer: Maxim Integrated

Specifications of MAX2309EGI

• Interface Type: 3-Wire Programmable interface
• Maximum Power Dissipation: 2 W
• Modulation Type: Quadrature
• Operating Supply Voltage: 2.7 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Output Power: -13.7 dBm
• Supply Current: 41.5 mA

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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