CB5712

CB5712 5GHz WLAN Front-End Module GND ANT 15 14 13 AL RX_EN 16 GND 1 12 GND RX 2 11 VCC GND 3 10 VCC VDD 4 9 5 6 7 8 VDET TX_EN GND TX C B 57 12 Fu n ctio n al D iag ram 200 512 -001 N/C 802.11ac Wi-Fi Devices Tablets / MIDs Wi-Fi Media Gateways Consumer Electronics FEATURES     Notebook / Netbook / Ultrabook Access Points / Routers Set Top Boxes / Wireless IPTVs Other 5GHz ISM Platforms Integrated high performance 5GHz PA, LNA with bypass and T/R switch Fully-matched input and output Integrated power detector Transmit gain: 30dB Receive gain: 13dB Output power: +20dBm @ 1.8% EVM, VHT80/MCS9, 5V Output power: +21dBm @ 3% EVM, HT40/MCS7, 5V Integrated 2.4GHz Notch Filter ESD protection circuitry on all PINs DC decoupled RF ports Minimal external components required Small package: QFN16 3mm x 3mm x0.55mm (MSL3, 260℃ per JEDEC J-STD-020) RoHS and REACH Compliant CH IP BE T              CB5712 is assembled in a compact, low-profile 3x3x0.55mm 16-lead QFN package. CB5712 is the ideal RF front-end solution for implementing 5GHz high-power WLAN systems supporting multiple standards including 802.11ac. TE R     CB5712 has simple and low-voltage control logic, and requires minimal external components. A power detector is also integrated for accurate monitoring of output power from the PA. CO Figure 1. CB5712 Block Diagram Applications CB5712 is a highly integrated RF Front-End Integrated Circuit which incorporates key RF functionality needed for IEEE 802.11a/n/ac WLAN systems operating in the 5.15-5.9GHz range. CB5712 integrates a high-efficiency high-linearity power amplifier (PA), a low noise amplifier (LNA) with bypass, the associated matching network, LO rejection, and harmonic filters all in one device. NF ID EN TI LNA_EN Description Chipbetter Microelectronics Inc. - 1 / 12 - www.chipbetter.com CB5712 5GHz WLAN Front-End Module Table 1. PIN ASSIGNMENTS Pin No. Pin Name Description Ground – Must Be Connected to GND in the Application Circuit GND 2 RX 4 VDD LNA/Switch/Regulator Supply Voltage 5 VDET Analog Voltage Proportional to the PA Power Output 6 TX_EN Input to Control TX Enable 8 TX RF Input Port from the Transceiver 9 NC Internally Not Connected 10,11 VCC PA Supply Voltage 13 ANT Antenna Port RF Signal from the PA or RF Signal Applied to the LNA 15 RX_EN Input to Control RX Enable 16 LNA_EN Input to Control LNA Enable or Bypass Mode NF ID EN TI RF Output Port from LNA or Bypass RX_EN GND ANT 16 15 14 13 TE R CO LNA_EN PIN-OUT DIAGRAM 1 12 GND RX 2 11 VCC 5 6 7 8 TX 9 GND 4 10 VCC TX_EN VDD C B 57 12 P in o u t D iagram (To p V iew ) 200 512 -002 VDET 3 CH IP BE T GND GND AL 1,3,7,12,14 N/C Figure 2. CB5712 Pin out-16 Pin QFN (Top View) Chipbetter Microelectronics Inc. - 2 / 12 - www.chipbetter.com CB5712 5GHz WLAN Front-End Module Table 2. ABSOLUTE MAXIMUM RATINGS Units Min Max DC Supply Voltage V 0 6.0 VDD and VCC Control Pin Voltage V 0 3.6 All Control Pins mA 400 Input Power (50 ohm load) dBm +5 Storage Temperature ℃ -40 Operation Temperature ℃ -40 Junction Temperature ℃ ESD V NF ID EN TI DC Current Consumption Conditions AL Parameters 150 85 150 All PINs, HBM 1000 NOTE: Sustained operation at or above the Absolute Maximum Ratings for any one or combinations of the above parameters may result in permanent damage to the device and is not recommended. All Maximum RF Input Power Ratings assume 50-ohm terminal impedance. Table 3. NOMINAL OPERATING CONDITIONS DC Supply Voltage Control Pin Voltage “High” Control Pin Voltage “Low” Control Pin DC Current V 4.5 Typ Max 5 5.5 V V 0 uA ℃ Conditions VDD and VCC 2.8 0.3 50 -40 85 CH IP BE T TE R Operation Temperature Units Min CO Parameters Chipbetter Microelectronics Inc. - 3 / 12 - www.chipbetter.com CB5712 5GHz WLAN Front-End Module Table 4. CB5712 ELECTRICAL SPECIFICATIONS (VDD=VCC= 5V, T = 25℃, Unless Otherwise Noted) Parameters Units Min Typ Max GHz 5.15 Gain dB 28 Gain Flatness dB -0.5 5.9 Main frequency band Transmit Mode +19.5 dBm +20 +22 240 Current Consumption mA 280 290 320 dBm/MHz dB Input Return Loss dB Output Return Loss Power Detector Variations PA Switching Time +20 +21 HT20/MCS0, Mask Compliance +23 CW Signal @ No RF @+20dBm @+23dBm @+26dBm 250 290 300 330 -50 3rd harmonics -35 From ANT to either TX or RX Pin V dB With -45dB EVM source VHT80/MCS9, 1.8% DEVM, Preamble only HT40/MCS7, 3% DEVM, Preamble Only -35 dB BE T Power Detector Output Over Any 80MHz Bandwidth Pout = +23dBm, HT20/MCS0 2nd harmonics TE R Isolation +0.5 CO Harmonics 31 NF ID EN TI Output Power 30 AL Frequency range Conditions -11 -10 -11 -10 @ No RF @+20dBm 0.25 0.5 @+26dBm 0.8 -0.5 0.5 -1.5 1.5 nS Power Range from 0dBm~+26dBm Nominal Load VSWR=3:1 400 6:1 All non-harmonically related outputs less than -36dBm/MHz Ruggedness (VSWR) 10:1 Pin =+10dBm, No Permanent Damage CH IP Stability (VSWR) Receive Mode Gain Input Power of P1dB dB 12 dB Noise Figure dB Chipbetter Microelectronics Inc. 14 LNA Active LNA Bypass -1 dBm Gain Flatness 13 +8 -0.5 +0.5 2.5 - 4 / 12 - Over any 80MHz Bandwidth 3.0 www.chipbetter.com CB5712 5GHz WLAN Front-End Module dB -15 Output Return Loss dB -10 dBm Switching Time nS DC Quiescent Current mA LNA Active +15 200 LNA Bypass 800 11 LNABypass RXTX 13 1.5 Receive Bypass Mode Insertion Loss 0 dB LNA Active LNA Bypass NF ID EN TI Maximum Input Power AL Input Return Loss 8 Table 5. CONTROL LOGIC TABLE LNA_EN RX_EN 0 1 0 0 0 0 1 0 All Others 0 0 1 1 Mode of Operation Shutdown Mode Transmit Mode Low NF Receive Mode LNA Bypass Receive Mode Unsupported (No Damage) TE R CO TX_EN CH IP BE T Note: “1” denotes high voltage state (=2.8V) “0” denotes low voltage state (