OPA842

OPA847 : OPA847 OPA847 www.ti.com SBOS251E – JULY 2002 – REVISED DECEMBER 2008 Wideband, Ultra-Low Noise, Voltage-Feedback OPERATIONAL AMPLIFIER with Shutdown FEATURES q HIGH GAIN BANDWIDTH: 3.9GHz q LOW INPUT VOLTAGE NOISE: 0.85nV/√Hz q VERY LOW DISTORTION: –105dBc (5MHz) q HIGH SLEW RATE: 950V/µs q HIGH DC ACCURACY: VIO ±100µV q LOW SUPPLY CURRENT: 18.1mA q LOW SHUTDOWN POWER: 2mW q STABLE FOR GAINS ≥ 12 APPLICATIONS q HIGH DYNAMIC RANGE ADC PREAMPS q LOW NOISE, WIDEBAND, TRANSIMPEDANCE AMPLIFIERS q WIDEBAND, HIGH GAIN AMPLIFIERS q LOW NOISE DIFFERENTIAL RECEIVERS q ULTRASOUND CHANNEL AMPLIFIERS q IMPROVED UPGRADE FOR THE OPA687, CLC425, AND LMH6624 50Ω Source 1:2 5.1dB Noise Figure 100Ω .

OPA847 : OPA847 OPA 847 SBOS251C – JULY 2002 – REVISED OCTOBER 2003 Wideband, Ultra-Low Noise, Voltage-Feedback OPERATIONAL AMPLIFIER with Shutdown FEATURES z z z z z z z z HIGH GAIN BANDWIDTH: 3.9GHz LOW INPUT VOLTAGE NOISE: 0.85nV/√Hz VERY LOW DISTORTION: –105dBc (5MHz) HIGH SLEW RATE: 950V/µs HIGH DC ACCURACY: VIO ±100µV LOW SUPPLY CURRENT: 18.1mA LOW SHUTDOWN POWER: 2mW STABLE FOR GAINS ≥ 12 DESCRIPTION The OPA847 combines very high gain bandwidth and large signal performance with an ultra-low input noise voltage (0.85nV/ √Hz ) while using only 18mA supply current. Where power savings is critical, the OPA847 also includes an optional power shutdown pin that, when pulled low, disables the amp.

OPA846 : www.ti.com OPA846 OPA846 OPA846 SBOS250E – JULY 2002 – REVISED DECEMBER 2008 Wideband, Low-Noise, Voltage-Feedback OPERATIONAL AMPLIFIER FEATURES q HIGH BANDWIDTH: 400MHz (G = +10) q LOW INPUT VOLTAGE NOISE: 1.2nV/√Hz q VERY LOW DISTORTION: –100dBc (5MHz) q HIGH SLEW RATE: 625V/µs q HIGH DC ACCURACY: VIO ±150µV q LOW SUPPLY CURRENT: 12.6mA q HIGH GAIN BANDWIDTH PRODUCT: 1750MHz q STABLE FOR GAINS ≥ 7 DESCRIPTION The OPA846 combines very high gain bandwidth and large signal performance with very low input voltage noise, while dissipating a low 12.6mA supply current. The classical differential input stage, along with two stages of forward gain and a high power output stage, combine to make .

OPA843 : OPA843 OPA843 www.ti.com SBOS268C – DECEMBER 2002 – DECEMBER 2008 Wideband, Low Distortion, Medium Gain, Voltage-Feedback OPERATIONAL AMPLIFIER FEATURES q HIGH BANDWIDTH: 260MHz (G = +5) q GAIN BANDWIDTH PRODUCT: 800MHz q LOW INPUT VOLTAGE NOISE: 2.0nV/√Hz q VERY LOW DISTORTION: –96dBc (5MHz) q HIGH OPEN-LOOP GAIN: 110dB q FAST 12-BIT SETTLING: 10.5ns (0.01%) q LOW INPUT OFFSET VOLTAGE: 300µV q OUTPUT CURRENT: ±100mA APPLICATIONS q ADC/DAC BUFFER AMPLIFIER q LOW DISTORTION “IF” AMPLIFIER q ACTIVE FILTERS q LOW-NOISE RECEIVER q WIDEBAND TRANSIMPEDANCE q TEST INSTRUMENTATION q PROFESSIONAL AUDIO q OPA643 UPGRADE +5V DESCRIPTION The OPA843 provides a level of speed and dynamic range previo.

OPA843 : OPA843 OPA 843 SBOS268A – DECEMBER 2002 – OCTOBER 2003 Wideband, Low Distortion, Medium Gain, Voltage-Feedback OPERATIONAL AMPLIFIER FEATURES q HIGH BANDWIDTH: 260MHz (G = +5) q GAIN BANDWIDTH PRODUCT: 800MHz q LOW INPUT VOLTAGE NOISE: 2.0nV/ √Hz q VERY LOW DISTORTION: –96dBc (5MHz) q HIGH OPEN-LOOP GAIN: 110dB q FAST 12-BIT SETTLING: 10.5ns (0.01%) q LOW INPUT OFFSET VOLTAGE: 300µV q OUTPUT CURRENT: ±100mA DESCRIPTION The OPA843 provides a level of speed and dynamic range previously unattainable in a monolithic op amp. Using a high Gain Bandwidth (GBW), two gain-stage design, the OPA843 gives a medium gain range device with exceptional dynamic range. The “classic” differential input comp.