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BALFHB-WL-06D3 Dataheets PDF



Part Number BALFHB-WL-06D3
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description ultra-miniature balun
Datasheet BALFHB-WL-06D3 DatasheetBALFHB-WL-06D3 Datasheet (PDF)

BALFHB-WL-06D3 Datasheet 50 Ω nominal input / conjugate match balun to QFN-2L STM32WL in low power mode, 862-928 MHz with integrated harmonic filter Product status BALFHB-WL-06D3 Features • QFN STM32WL sub-GHz wireless microcontrollers impedance matched balun and Tx harmonics filter • Optimized for QFN STM32WL sub-GHz wireless microcontrollers in low power mode and dedicated to 2-layers PCB • 50 Ω nominal input / conjugate matched balun to QFN STM32WL • 50 Ω nominal impedance on antenna side T.

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BALFHB-WL-06D3 Datasheet 50 Ω nominal input / conjugate match balun to QFN-2L STM32WL in low power mode, 862-928 MHz with integrated harmonic filter Product status BALFHB-WL-06D3 Features • QFN STM32WL sub-GHz wireless microcontrollers impedance matched balun and Tx harmonics filter • Optimized for QFN STM32WL sub-GHz wireless microcontrollers in low power mode and dedicated to 2-layers PCB • 50 Ω nominal input / conjugate matched balun to QFN STM32WL • 50 Ω nominal impedance on antenna side Tx and Rx • Deep Tx rejection harmonic filter • Low insertion loss • Small footprint • Low profile ≤ 630 μm after reflow • High RF performance • RF BOM and area reduction • ECOPACK2 compliant component Applications • STM32WL sub-GHz wireless microcontrollers • LPWAN-compliant radio solution, enabling the following modulations: LoRa®, (G)FSK, (G)MSK, and BPSK Description STMicroelectronics BALFHB-WL-06D3 is an ultra-miniature balun. This device integrates a matching network, balun, and harmonics filter. Matching impedance has been customized for the STM32WL sub-GHz wireless microcontrollers. It is using STMicroelectronics IPD technology on a nonconductive glass substrate, which optimizes RF performances. DS14107 - Rev 2 - December 2022 For further information contact your local STMicroelectronics sales office. www.st.com BALFHB-WL-06D3 Characteristics 1 Characteristics Table 1. Absolute maximum ratings (Tamb = 25 °C) Symbol Parameter PIN Input power RFIN VESD ESD ratings human body model (JESD22-A114), all I/O one at a time while others connected to GND ESD ratings machine model, all I/O TOP Operating temperature Value 27 Unit dBm 2000 V 200 -40 to +105 °C Table 2. Impedances (Tamb = 25 °C) Symbol Parameter ZRX ZTX ZRX-ANT ZTX-ANT Nominal differential Rx balun impedance Nominal Tx filter impedance Nominal Rx balun antenna impedance Nominal Tx filter antenna impedance Min. - Value Typ. Matched to STM32WL Matched to STM32WL 50 50 Unit Max. - Ω - Table 3. Electrical characteristics and RF performances (Tamb = 25 °C) Symbol Parameter f Frequency range ILRX Rx balun insertion loss differential mode |SDS| without mismatch loss ILTX LP Tx filter insertion loss |S21| without mismatch loss RLRX-ANT Rx balun input return loss differential mode |SDD| on antenna RLTX-ANT Tx filter output return loss |S11| on antenna ɸimb RX balun phase imbalance Aimb RX balun amplitude imbalance AttTX Tx filter harmonic rejection levels |S21| Test condition Value Unit Min. Typ. Max. 862 868 928 MHz Typical value given at 868 MHz 1.15 1.40 dB Typical value given at 868 MHz 0.65 0.85 dB Typical value given at 868 MHz 15 19 dB Typical value given at 868 MHz 18 22 dB -2.4 2.4 ° -0.7 0.7 dB Attenuation at 2fo 35 37 Attenuation at 3fo 38 40 Attenuation at 4fo 41 50 Attenuation at 5fo 26 51 Attenuation at 6fo 34 47 dB Attenuation at 7fo 20 45 Attenuation at 8fo 25 30 Attenuation at 9fo 28 34 Attenuation at 10fo 31 35 DS14107 - Rev 2 page 2/13 1.1 RF measurements (Rx balun) Figure 1. Insertion loss (dB) IL_RX -1.00 -1.05 -1.10 -1.15 -1.20 -1.25 -1.30 -1.35 -1.40 -1.45 f(MHz) -1.50 860 870 880 890 900 910 920 930 Figure 3. Amplitude imbalance (dB) AMP_IMB 1.50 1.25 1.00 0.75 0.50 0.25 0.00 -0.25 -0.50 -0.75 -1.00 -1.25 f(MHz) -1.50 860 870 880 890 900 910 920 930 BALFHB-WL-06D3 RF measurements (Rx balun) Figure 2. Return loss on antenna (dB) RL_RX_ANT 0 -5 -10 -15 -20 -25 -30 -35 f(MHz) -40 860 870 880 890 900 910 920 930 Figure 4. Phase imbalance (°) PHA_IMB 3.0 2.5 2.0 1.5 1.0 0.5 0.0 -0.5 -1.0 -1.5 -2.0 -2.5 f(MHz) -3.0 860 870 880 890 900 910 920 930 DS14107 - Rev 2 page 3/13 1.2 RF measurements (Tx filter) Figure 5. Transmission wide band with harmonics attenuation (dB) IL_TX 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 f(GHz) -100 0 1 2 3 4 5 6 7 8 9 10 11 BALFHB-WL-06D3 RF measurements (Tx filter) Figure 6. Insertion loss (dB) IL_TX -0.50 -0.55 -0.60 -0.65 -0.70 -0.75 -0.80 -0.85 -0.90 -0.95 f(MHz) -1.00 860 870 880 890 900 910 920 930 Figure 7. Return loss on antenna (dB) RL_TX_ANT 0 -5 -10 -15 -20 -25 -30 -35 f(MHz) -40 860 870 880 890 900 910 920 930 DS14107 - Rev 2 page 4/13 BALFHB-WL-06D3 Package information 2 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 2.1 CSPG 8 bumps package information Figure 8. CSPG 8 bumps package outline (bottom view - bumps up) (in µm) Parameter A A1 A2 b D D1 D2 D3 D4 E E1 E2 E3 fD1 fD2 fE1 fE2 Table 4. CSPG 8 bumps dimensions (in µm) Min. 580 180 380 230 2080 1780 Typ. 630 205 400 255 2130 340 50.


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