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PDF CXM3512EQ Data sheet ( Hoja de datos )
| Número de pieza | CXM3512EQ | |
| Descripción | SP9T GSM/UMTS Dual Mode Antenna Switch | |
| Fabricantes | Sony Corporation | |
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SP9T GSM/UMTS Dual Mode Antenna Switch
CXM3512EQ
Description
The CXM3512EQ is one of a range of low insertion loss, high linearity, low IMD and high power MMIC antenna
switch modules for GSM/UMTS or CDMA dual-mode handsets.
The Sony L.F.M.* contains SP9T switch die, CMOS decoder and a dual-LPF on GSM transmit paths for
suppression of transmitter harmonics.
Excellent insertion loss contributes to the good sensitivity and longer talk time. This switch also provides
excellent ESD performance.
* L.F.M. = Lead Frame Module
(Applications: GSM (4 bands) / UMTS (3 bands, class I-VI) or CDMA (2 bands) dual-mode handset)
Features
Low insertion loss
0.80dB (typ.) on TX1 (915MHz)
0.95dB (typ.) on TX2 (1910MHz)
0.65dB (typ.) on RX (960MHz)
0.65dB (typ.) on TRx (1980MHz)
Built-in dual-LPF
Att –30dB (typ.) @2fo (Tx1 path)
Att –30dB (typ.) @2fo (Tx2 path)
TRXs and RXs paths are changeable for band assignment.
4 CMOS compatible control lines
Low voltage operation (VDD = 2.5V)
Lead-free and RoHS compliant
Package
Small package size: 30-pin LQFN (4.4 × 4.0 × 1.3mm)
Structure
GaAs Junction-gate PHEMT SW, CMOS decoder and dual-LPF
Sony PHEMT GaAs process is utilized for low insertion loss.
This IC is ESD sensitive device. Special handling precautions are required.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license
by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating
the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
-1-
E06X09A74
1 page  
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CXM3512EQ
Electrical Characteristics
(VDD = 2.5V, Vctl = 2.5V, Ta = 25°C)
Item Symbol
Path
Condition
Min.
Typ.
Max.
Unit
Tx1 – Ant
*1 — 0.80 0.95
Tx2 – Ant
*2 — 0.95 1.20
Ant – TRx1 (Tx)
*3
— 0.40/0.65 0.55/0.85
Ant – TRx2 (Tx)
*3
— 0.40/0.65 0.55/0.85
Ant – TRx3 (Tx)
*3
— 0.40/0.65 0.55/0.85
Insertion
loss
IL
Ant – Rx1
Ant – Rx2
*4 — 0.65/1.10 0.80/1.25
dB
*4 — 0.65/1.10 0.80/1.25
Ant – Rx3
*4 — 0.65/1.10 0.80/1.25
Ant – Rx4
*4 — 0.65/1.10 0.80/1.25
Ant – TRx1 (Rx)
*5
— 0.40/0.75 0.55/0.90
Ant – TRx2 (Rx)
*5
— 0.40/0.75 0.55/0.90
Ant – TRx3 (Rx)
*5
— 0.40/0.75 0.55/0.90
*1 Frequency = 824 to 849, 890 to 915MHz, Input signal is burst, Pin = +34dBm
*2 Frequency = 1710 to 1785, 1850 to 1910MHz, Input signal is burst, Pin = +32dBm
*3 Frequency = 810 to 855/1710 to 1980MHz, Input signal is CW, Pin = +29dBm
*4 Frequency = 869 to 894, 935 to 960/1805 to 1880, 1930 to 1990MHz, Input signal is CW, Pin = –5dBm
*5 Frequency = 855 to 900/1930 to 1990, 2110 to 2170MHz, Input signal is CW, Pin = –5dBm
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Recommended Circuit 2
GSM (3 bands)/UMTS (2 bands)
CXM3512EQ
RX4
RX3
RX2
C6
56pF
C5
33pF
13 12 11
14 GND
GND 10
15 GND
GND 9
16 NC
NC 8
17 GND
GND 7
C7∗1
18 Rx4
C8∗1
19 Rx3
C9∗1
20 Rx2
21 Rx1
C10∗1
22 GND
IC
CXM3512EQ
ANT 6
GND 5
TRx3 4
TRx2 3
C2∗1
GND 2
23 GND
TRx1 1
24 25 26 27 28 29 30
C11 C12 C13 C14 C15
100pF 100pF 100pF 100pF 100pF
C4
56pF
ANT
L1
56nH
C3∗1
TRX2
C1∗1
TRX1
∗1 DC blocking capacitors are required on all RF ports.
Recommended capacitance is as follows.
56pF for 800 to 960MHz signal
33pF for 1700 to 2200MHz signal
∗2 C11 to C15 are not mandatory.
∗3 L1 inductor (56nH) is recommended on Ant port for ESD protection.
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| PDF Descargar | [ Datasheet CXM3512EQ.PDF ] | |
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