參數(shù)資料
型號： MAX2365ETM+T
廠商： Maxim Integrated
文件頁數(shù)： 11/29頁
文件大?。?/td> 460K
描述： IC TRANSMITTER QUAD 48TQFN-EP
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
頻率： 900MHz
應用： 無線 LAN
功率 - 輸出： 9dBm
電流 - 傳輸： 90mA
數(shù)據(jù)接口： PCB，表面貼裝
天線連接器： PCB，表面貼裝
電源電壓： 2.7V ~ 3.3V
工作溫度： -40°C ~ 85°C
封裝/外殼： 48-WFQFN 裸露焊盤
包裝： 帶卷 (TR)
Complete Dual-Band
Quadrature Transmitters
______________________________________________________________________________________   11
Pin Description (continued)
34, 35
1, 8, 9, 18,
19, 30, 31,
34, 35, 44
No Connection. Make no connection to these pins.
2, 10, 11,
16, 17,
3235
43, 47
N.C.
MAX2361
MAX2363
FUNCTION
32, 33
32, 33
Differential Tank Pins for the High-Frequency IF VCO. These pins are internally
biased. VCO_SEL = 1 selects this IF VCO.
39
39
Supply Pin for Digital Circuitry. Bypass as close to the pin as possible. The
bypass capacitor must not share its vias with any other branch.
38
38
High-Impedance Output of the IF Charge Pump. Connect to the tune input of
the IF VCOs through the IF PLL loop filter. Keep the line from IFCP to the tune
input as short as possible to prevent spurious pick-up, and connect the loop
filter as close to the tune input as possible.
37
37
Supply for the IF Charge Pump. This supply can differ from the system V
CC
.
Bypass as close to the pin as possible. The bypass capacitor must not share
its vias with any other branches.
36
36
Reference Frequency Input. REF is internally biased and must be AC-cou-
pled to the reference source. This is a high-impedance port (25k&
II
3pF).
44

Low-band RF LO Input Port. AC-couple to this port.
43
43
High-band RF LO Input Port. AC-couple to this port.
42
42
RF PLL Input. AC-couple this port to the RF VCO. RFPLL is internally biased.
41
41
Supply for the RF Charge Pump. This supply can differ from the system V
CC
.
Bypass as close to the pin as possible. The bypass capacitor must not share
its vias with any other branches.
40
40
High-Impedance Output of the RF Charge Pump. Connect to the tune input
of the RF VCOs through the RF PLL loop filter. Keep the line from this pin to
the tune input as short as possible to prevent spurious pickup, and connect
the loop filter as close to the tune input as possible.
PIN
MAX2365

39
38
37
36
44

42
41
40
NAME
TANKH-,
TANKH+
V
CC
IFCP
V
CCIFCP
REF
LOL
LOH
RFPLL
V
CCRFCP
RFCP
45, 46, 48
45, 46, 48
Isolation GND. No internal connection. Connect to PC board ground plane for
better isolation.
45, 46, 48
GND
47
47
Transmitter RF Output for PCS Band (1700MHz to 2000MHz). This open-col-
lector output requires a pullup inductor to the supply voltage. The pullup
inductor may be part of the output matching network and can be connected
directly to the battery. For split band PCS application, use RFH1 for the
1850MHz1880MHz range.

RFH1
EP
EP
DC and AC GND Return for the IC. Connect to PC board ground plane using
multiple vias.
EP
GND
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