HPT Series - HDSL Transformers Features • • complies with ANSI and ETSI requirements matched to all leading chip sets • • very low THD permits maximum loop lengths 1500V minimum isolation • excellent quality at competitive price due to high volume production • manufactured in ISO-9001 approved Talema facility Transformer Selection Guide Man u f ac t u r er IC Ty p e A p p l i c at i o n BT8921/BT8970 BT8921/BT8970 Tr an s f o r m er 784K bps 1168Kbps HPT-100A HPT-110A BT8952 784K bps HPT-120A BT8952 1168Kbps HPT-130A BT8960 416K bps HPT-140A BT8960 288K bps HPT-150A BT8960 SK70704/SK70706 SK70704/SK70721 160K bps 784K bps 1168Kbps HPT-160A HPT-170B HPT-180C R o c k w el l (B r o o k t r ee) L ev el On e Typical Performance Data Longitudinal 50dB min Balance 40-300kHz Operating Temperature: -40° to +85°C OCL (mH) LL µH) Max. DCR (Ohms) IC / Line IDC (mA) Isolation Voltage (Vrms Min.) Schematic 1ct:1:1 1ct:1:1 2ct:1:1 2ct:1:1 1ct:1:1 1ct:1:1 1ct:1:1 1ct:1.8ct 1ct:0.9:0.9 3.0±6% 2.0±6% 3.0±6% 2.0±6% 3.5±10% 5.0±10% 8.0±10% 2.75±6% 2.03±6% 20 20 20 20 40 40 40 20 20 2.3 / 2.3 2.3 / 2.3 4.6 / 2.3 4.6 / 2.3 2.3 / 2.3 2.6 / 2.6 2.6 / 2.6 3.2 / 3.0 2.0 / 2.0 70 70 160 160 70 70 70 75 75 1500 1500 1500 1500 1500 1500 1500 2000 2500 A A A A A A A B C 0.941 (23.9) 0.600 (15.24) 8 40-300kHz Matched to 135 Ohm Line Impedance Package and Outline 9 16.5dB min Turns Ratio ± 2% IC : Line HPT-100A HPT-110A HPT-120A HPT-130A HPT-140A HPT-150A HPT-160A HPT-170B HPT-180C 10 100kHz, 5Vpp Return Loss Electrical Specifications @ 25°C Part Number -70dB max. THD Schematic A 7 6 0.150 (3.81) 0.445 (11.3) 0.217 (5.50) TALEMA IN 25/99 1.051 (26.7) Line B Line IC C Line IC IC 9 2 10 2 10 2 8 7 3 8 3 9 7 3 6 4 6 4 6 4 0.800 (20.32) HPT-100A 2 3 4 5 Note: Pin 1 has been removed for polarization reference Germany: Int.+49 89 - 841 00-0 • Ireland: Int.+35 374 - 954 8666 • Czech Rep: Int.+420 37 - 744 9303 • India: Int.+91 427 - 2441325 http://www.talema-nuvotem.com 19