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ZJA3100ASABT

ZJW
Data Sheet ZJA3101 Precision, High Speed, Low Power Fully Differential Amplifier Features General Description ● Broad Power Supply Range: 3 V to 15 V The ZJA3101 is a broadband fully differential or single-ended input to differential output amplifier. The gain of the amplifier is set by two pairs of matched resistors. The ZJA3101 is significant advancement over simple op amps for driving var...
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Data Sheet ZJA3101 Precision, High Speed, Low Power Fully Differential Amplifier Features General Description ● Broad Power Supply Range: 3 V to 15 V The ZJA3101 is a broadband fully differential or single-ended input to differential output amplifier. The gain of the amplifier is set by two pairs of matched resistors. The ZJA3101 is significant advancement over simple op amps for driving various differential input ADCs or for driving signals over long lines. ● Low Power: 2 mA ● High Bandwidth: 55 MHz ● Low Input Offset Voltage: ● ● ● ● ● ● 80 µ V max (B Grade) 150 µ V max (-40 ° C to +125 ° C, B Grade) Low Input Offset Current: 70 nA max Low Noise: 4.1 nV/ Hz , f = 100 kHz Wide Input Common-mode Voltage Range: (-Vs) – 0.4 V to (+Vs) – 1 V Wide Output Common Mode Control: (-Vs) + 1 V to (+Vs) – 1 V Rail-to-rail Output Low Harmonic Distortion: -138 dBc HD2 and -140 dBc HD3 at 1 kHz The ZJA3101 offers a -3 dB bandwidth of 55 MHz while consuming merely 2 mA supply current. It eliminates the need for a BALUN typical with high-performance high-speed ADCs, achieving outstanding low frequency and dc accuracy in terms of input voltage and current offset. The common-mode level of the differential output is programmable by VOCM pin, with a wide range within 1 V to either rail, easily level shifting the input signals for driving single supply differential input ADCs. The combination of these features also makes ZJA3101 an ideal driver for high performance Σ-Δ and SAR ADCs, which demands both DC precision and fast settling time for the large sampling cap of ADC. The ZJA3101 may serve as a differential line driver for highspeed signals over low cost twisted pair or coaxial cables. The wide supply range lends itself well to extensive general applications, such as analog or digital video signaling. The external feedback network can be optimized to boost the high frequency components of the signal in order to accommodate low pass filtering of the signal channel. The ZJA3101 yields significant cost saving, performance enhancement and area reduction over discrete line driver solutions. Applications ● Low Power Differential ADC Drivers ● Single-ended to Differential Converters ● Differential Buffers ● Medical Imaging ● Process Control ● Portable Electronics ZJA3101 is available in 8-lead SOIC, 8-lead MSOP and 16-lead QFN packages and specified over the extended industrial temperature range of -40 ° C to +125 ° C. Typical Application Typical Characteristics ZJR1002-5 ZJA3216 RF RB +7.5 V 5V 5V AIN+ REF VDD RB RG R C ZJA3101 RG R C VIO 1.8 V TO VDD SDI ZJC2010 AIN- GND SCK 3 -OR 4-WIRE SDO (SPI, CHAIN) CNV -2.5 V RF Release A 1 www.zjwmicro.com PDF
Документация на ZJA3100ASABT 

Precision High Speed Low Power Fully Differential Amplifier ZJA3101

Дата модификации: 12.12.2024

Размер: 2.1 Мб

29 стр.

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