BAL-CW1250D3 50 nominal input / conjugate match balun to CW1250/CW1260/CW1150/CW1160, with integrated harmonic filter Description STMicroelectronics BAL-CW1250D3 is a balun (balanced/unbalanced device) designed to transform a single ended signal to differential signals in WLAN application. This BAL-CW1250D3, with low insertion losses in the bandwidth 2400 MHz to 2500 MHz, has been customized for CW1250, CW1150, CW1260, CW1160 transceiver. The differential output embeds an integrated matching network adapted Lead-free Flip-Chip package 5 bumps to the transceiver. The BAL-CW1250D3 has been designed using STMicroelectronics IPD (integrated passive Datasheet production data device) technology on non-conductive glass substrate to optimize RF performance. Features Figure 1. Pinout diagram (top view) 50 nominal input / match ST-Ericsson RF IC CW1250, CW1150, CW1260, CW1160 3 2 1 Low insertion loss Low amplitude imbalance GND SE A Low phase imbalance VCC DC blocking access on single RF input B 2 Small footprint: < 1.2 mm DIFF DIFF C Benefits Extremely low profile (< 550 m after reflow) Integrate matching network High RF performance RF components count and area reduction Applications Balun with integrated matching for ST-Ericsson RF IC CW1250, C1150, CW1260 September 2015 DocID024678 Rev 2 1/10 This is information on a product in full production. www.st.com 10Characteristics BAL-CW1250D3 1 Characteristics Table 1. Absolute maximum ratings (limiting values) Value Symbol Parameter Unit Min Typ Max P Average power RF 24 dBm IN IN ESD ratings MIL STD883C (HBM: C = 100 pF, R = 1.5 k, air discharge) 2000 ESD ratings charged device model V 500 V ESD (JESD22-C101-D) ESD ratings machine model 200 (MM: C = 200 pF, R = 25 , L = 500 nH) T Operating temperature -30 to +85 C OP Table 2. Impedances (T = 25 C) amb Value Symbol Parameter Unit Min Typ Max Z Nominal differential output impedance matched OUT Z Nominal input impedance 50 IN Table 3. RF performance (T = 25 C) amb Value Symbol Parameter Unit Min Typ Max F Frequency range (bandwidth) 2400 2500 MHz IL Insertion loss in bandwidth 0.97 dB RL Single ended return loss in bandwidth -21 dB SE RL Differential return loss in bandwidth -24 dB DIFF imb Phase imbalance -10 10 Aimb Amplitude imbalance -1 0.1 1 dB Att 2nd harmonic attenuation -19 dB 2f0 2/10 DocID024678 Rev 2