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THS6222 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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THS6222 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 41 page + ± VS+ VS± + ± 5 k 5 k 520 D1 OUT D1 INt D2 INt D2 OUT VS+ VSt CM Buffer Thermal Protection Bias Current Control BIAS 1 BIAS 2 IADJ +12 V RF1 1.24 k RG 274 RF2 1.24 k RS1 2.49 GND +12 V RS2 2.49 +12 V 100 nF 100 nF AV = 10 V/V RL 50 1:1 50 Power Line 100 nF Optional 100 nF 100 nF PLC ASIC DAC f THS6222 D1 IN+ VCM D2 IN+ D GND GND RT1 249 RT2 249 1-bit power mode control Full-bias / shutdown Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. THS6222 SBOS974B – AUGUST 2019 – REVISED APRIL 2020 THS6222 8 V to 32 V, Differential Broadband HPLC Line Driver With Common-mode Buffer 1 1 Features 1 • Supply range (VS): 8 V to 32 V • Integrated midsupply common-mode buffer • Large-signal bandwidth: 195 MHz (VO = 16 VPP) • Slew rate (16 V step): 5500 V/µs • Low distortion (VS = 12 V, 50 Ω load): – HD2: –80 dBc (1 MHz) – HD3: –90 dBc (1 MHz) • Output current: 338 mA (VS = 12 V, 25 Ω load) • Wide output swing (VS = 12 V): – 19.4 VPP (100 Ω load) – 18.6 VPP (50 Ω load) • Adjustable power modes: – Full-bias mode: 19.5 mA – Mid-bias mode: 15 mA – Low-bias mode: 10.4 mA – Low-power shutdown mode – IADJ pin for variable bias • Integrated overtemperature protection • Pin-compatible with the 24-pin THS6212 VQFN 2 Applications • SGCC HPLC line drivers • Smart meters • Data concentrators • Power line communications gateways • Home networking PLC • Differential DSL line drivers 3 Description The THS6222 is a differential line-driver amplifier with a current-feedback architecture manufactured using Texas Instruments' proprietary, high-speed, silicon- germanium (SiGe) process. The device is targeted for use in broadband, high-speed, power line communications (HPLC) line driver applications that require high linearity when driving heavy line loads. The unique architecture of the THS6222 uses minimal quiescent current while achieving very high linearity. The amplifier has an adjustable current pin (IADJ) that sets the nominal current consumption along with the multiple bias modes that allow for enhanced power savings where the full performance of the amplifier is not required. Shutdown bias mode provides further power savings during receive mode in time division multiplexed (TDM) systems while maintaining high output impedance. The integrated midsupply common-mode buffer eliminates external components, reducing system cost and board space. The wide output swing of 57 VPP (100 Ω load) with 32 V power supplies, coupled with over 650 mA current drive (25 Ω load), allows for wide dynamic range that keeps distortion minimal. The THS6222 is available in a 24-pin VQFN package with exposed thermal pad and is specified for operation from –40°C to +85°C ambient temperature. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) THS6222 VQFN (24) 5.00 mm × 4.00 mm Wafer Sale (19) 1261.00 µm × 1641.00 µm (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Line-Driver Circuit Using the THS6222 |
Codice articolo simile - THS6222_V01 |
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Descrizione simile - THS6222_V01 |
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