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PDF SKY85712-21 Data sheet ( Hoja de datos )
| Número de pieza | SKY85712-21 | |
| Descripción | 5 GHz WLAN Front-End Module | |
| Fabricantes | Skyworks | |
| Logotipo |  |
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DATA SHEET
SKY85712-21: 5 GHz WLAN Front-End Module
Applications
802.11ac networking and personal computing systems
PC cards, PCMCIA cards, mini-cards, and half mini-cards
WLAN-enabled wireless video systems
TX PA
Features
Integrated high-performance 5 GHz PA, LNA with bypass, and
T/R switch
Fully-matched input and output
Integrated power detector and directional coupler
Transmit gain: 27 dB
Receive gain: 12 dB
Output power: +19 dBm @ 1.8% EVM, HT80, MCS9, 5 V/4.2 V
Output power: +20 dBm @ 3% EVM, HT40, MCS7, 5 V/4.2 V
Small QFN (16-pin, 3 x 3 mm) package
(MSL3, 260 C per JEDEC J-STD-020)
Skyworks GreenTM products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of GreenTM, document number
SQ04–0074.
16 15 14 13
GND 1
12 GND
RX 2
11 VCC2
GND 3
10 VCC1
VDD 4
9 N/C
5678
Y0007
Figure 2. SKY85712-21 Pinout
(Top View)
VDET
RX
LNA
ANT
S2325a
Figure 1. SKY85712-21 Block Diagram
Description
The SKY85712-21 is a highly integrated, 5 GHz front-end module
(FEM) incorporating a 5 GHz single-pole, double-throw (SPDT)
transmit/receive (T/R) switch, a 5 GHz low-noise amplifier (LNA)
with bypass, and a 5 GHz power amplifier (PA) intended for
mobile/portable 802.11ac applications and systems.
The LNA and PA disable functions ensure low leakage current in
off mode. An integrated power detector is included to provide
closed-loop power control within the system.
The device is provided in a compact, 16-pin 3 x 3 mm Quad Flat
No-Lead (QFN) package. A functional block diagram is shown in
Figure 1. The pin configuration and package are shown in
Figure 2. Signal pin assignments and functional pin descriptions
are provided in Table 1.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
202994I • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • December 3, 2015
1
1 page  
DATA SHEET • SKY85712-21: 5 GHz WLAN FRONT-END MODULE
Table 4. SKY85712-21 Electrical Specifications (2 of 2) (VCC = VDD = 5 V Unless Otherwise Specified, TOP = 25 °C,
Unless Otherwise Noted) (Note 1)
Parameter
Symbol
Test Condition
Min Typical Max
Receive Mode
Gain
1 dB Input compression point
Gain step
Gain flatness
G
IP1dB
LNA active
LNA bypass
Over any 40 MHz bandwidth
9 12 16
–5
+10
19 21 23
–0.25
+0.25
Noise figure
Input return loss
NF
|S11| LNA active
LNA bypass
2.7 3.0
6
10
Output return loss
Third order input intercept point
Switching time
|S22|
IIP3
tSW
LNA bias current
LNA enable current
CRX enable current
Idle current
IDD
IIDLE
LNA ↔ bypass
RX ↔ TX：
From 10% ↔ 90% power change of
rising or falling edge, state 1
State 1
5
8
+8
200
400
11 15
10
10
20
Receive Bypass Mode
Insertion loss
|S21|
Note 1: Performance is guaranteed only under the conditions listed in this table.
–9
Units
dB
dBm
dBm
dB
dB
dB
dB
dB
dB
dBm
ns
ns
mA
μA
μA
μA
dB
Table 5. SKY85712-21 Logic
Mode
State
All off (switch in TX mode)
1
WLAN receive
2
WLAN receive bypass mode
3
WLAN transmit
4
Note 1: LNA is on while LNA_EN is high. LNA is off and in bypass mode when LNA_EN is low.
Note 2: PA_EN controls only the PA. It does not control the switch.
CRX (J5, Pin 15)
0
1
1
0
LNA_EN (J5, Pin 16)
(Note 1)
0
1
0
0
PA_EN (J5, Pin 6)
(Note 2)
0
0
0
1
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
202994I • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • December 3, 2015
5
5 Page 
DATA SHEET • SKY85712-21: 5 GHz WLAN FRONT-END MODULE
0.30 ± 0.05 (T)
CL
∅1.55 ± 0.05 (Do)
P2
2.00 ± 0.1 (Note 1)
B
Po
4.00 ± 0.1 (Note 2)
Pin 1 Location
∅1.5 Min. (D1)
E1
1.75 ± 0.1
A
0.80 ± 0.1 (Ko)
Section B
B 8.00 ± 0.1 (P1)
Notes:
1. Measured from center line of sprocket hole to center line of pocket.
2. Cumulative tolerance of 10 sprocket holes is ± 0.20 mm.
3. Other material available.
4. Typical ESD surface resistivity is from 105 to 1011 Ohms/square per EIA, JEDEC
tape and reel specification.
5. All measurements are in millimeters.
Figure 8. SKY85712-21 Tape and Reel Dimensions
3.30 ± 0.1 (Ao)
Ref.
R0.6
RRef0..50
Detail A
ReRf0..35
S2615
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
202994I • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • December 3, 2015
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SKY85712-21.PDF ] | |
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