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OPA2835IDGS Datasheet(PDF) 1 Page - Texas Instruments |
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OPA2835IDGS Datasheet(HTML) 1 Page - Texas Instruments |
1 / 43 page -140 -120 -100 -80 -60 -40 -20 0 0 20,000 40,000 60,000 80,000 100,000 120,000 Frequency (Hz) 2.7V ADS8326 +In -In 100 2.2nF 2k 2k V IN OPA835 V S- 2k 4.02k 4.02k 2.5V 5V V S+ V DD REF 2.7V 0V V SIG 1.35V V SIG OPA835, OPA2835 www.ti.com SLOS713B – JANUARY 2011 – REVISED MAY 2011 Ultra Low-Power, Rail-to-Rail Out, Negative Rail In, VFB Op Amp Check for Samples: OPA835, OPA2835 1 FEATURES DESCRIPTION Fabricated using the industry-leading BiCom-3x • Ultra Low Power (SiGe complimentary bipolar) process, the OPA835 – Supply Voltage: 2.5V to 5.5V and OPA2835 are single and dual ultra low-power, – Quiescent Current: 250µA (typ) rail-to-rail output, negative rail input, voltage-feedback operational amplifiers designed to operate over a – Power Down Mode: 0.5µA (typ) power supply range of 2.5V to 5.5V Single Supply • Bandwidth: 56 MHz and ±1.25V to ±2.75V dual supply. Consuming only • Slew Rate: 160 V/ µs 250 µA per channel and a unity gain bandwidth of 56MHz, these amplifiers set an industry leading • Rise Time: 10ns (2VSTEP) power-to-performance ratio for rail-to-rail amplifiers. • Settling Time: 45ns (2VSTEP) For battery powered portable applications where • Overdrive Recovery Time: 195ns power is of key importance, the OPA835's and • SNR: 0.00015% ( –116.4dBc) at 1 kHz (1VRMS) OPA2835's low power consumption and high • THD: 0.00003% ( –130dBc) at 1 kHz (1VRMS) frequency performance offers designers performance versus power not attainable in other devices. Coupled • HD2/HD3: –70dBc/–73dBc at 1 MHz (2Vpp) with a power savings mode to reduce current to • Input Voltage Noise: 9.3nV/rtHz (f=100 kHz) <1.5μA, the device offers a very attractive solution for • Input Offset Voltage: 100 µV (500 µV max) high frequency amplifiers in battery powered applications. • CMRR: 113dB • Output Current Drive: 40mA The OPA835 and OPA2835 are offered in following package options: • RRO – Rail-to-Rail Output • OPA835 Single: SOT23-6 (DBV), and 10 pin RUN • Input Voltage Range: –0.2V to 3.9V (5V supply) with integrated gain resistors. • Operating Temperature Range: –40°C–125°C • OPA2835 Dual: SOIC-8 (D), MSOP-10 (DGS), and 10 pin RUN. APPLICATIONS The devices are characterized for operation over the • Low Power Signal Conditioning extended industrial temperature range –40°C to • Audio ADC Input Buffer 125 °C. • Low Power SAR and ΔΣ ADC Driver OPA835 Related Products • Portable Systems DESCRIPTION SINGLES DUALS TRIPLES QUADS • Low Power Systems Rail-to-Rail — OPA2830 — OPA4830 • High Density Systems Rail-to-Rail, Low OPA836 OPA2836 — — Power • Ultrasonic Flow Meter Rail-to-Rail, Fixed OPA832 OPA2832 OPA3832 — Gain General-Purpose, High OPA690 OPA2690 OPA3690 — Slew Rate Low-Noise, DC OPA820 OPA2822 — OPA4820 Precision 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. UNLESS OTHERWISE NOTED this document contains Copyright © 2011, Texas Instruments Incorporated PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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