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Precision ADCs
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Contents Single Channel, 8-Bit to 12-Bit Resolution ADCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Multichannel, SPI and I2C, 8-Bit to 12-Bit Resolution ADCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Parallel, 10 Bits to 12 Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 True Bipolar-Input, 12-Bit to 18-Bit Resolution ADCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Simultaneous Sampling ADCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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Single Channel, 8-Bit to 12-Bit Resolution ADCs Whether the Requirement Is Low Power, Wide Bandwidth, or Space Savings, ADI Offers the Ideal Product • Flexible throughputs range from 200 kSPS to 3 MSPS. • Single supply operation for ease of use. • The AD7476A, AD7477A, and AD7478A, with maximum throughput 1 MSPS in tiny, 6-lead SC70 packages, are ideal where space is tight. Moreover, these devices consume only 3.6 mW at 1 MSPS. Refer also to the AD7910 and AD7920, offering even further power savings at lower • For power sensitive applications, the AD7466, AD7467, and AD7468 are the devices...

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Multichannel, SPI and l2C, 8-Bit to 12-Bit Resolution ADCs Part Number Resolution (Bits) Speed (kSPS) Power Max (mW) ADI offers an extensive portfolio of multichannel products, both SPI and PC, meeting the combined requirements of integration and low power dissipation. Power dissipation ranges from 0.3 mW for our PC range to up to a maximum of 6 mW for our SPI portfolio. SPI flexible throughputs range up to a market-leading 1 MSPS across a range of channel counts—2-, 4-, 8-, and 16-channel. These products are ideal for data acquisition, monitoring, and supervision in applications ranging...

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The Market’s Smallest 4-Channel I2C ADC — the AD7991 The AD7991 is the industry’s smallest 4-channel, 12-bit ADC with I2C-compatible interface. 8-bit/10-bit pin-compatible solutions are also available. Analog Devices’ multichannel I2C ADCs are unmatched in their ability to deliver the low power, small footprint, and low cost requirements that today’s I2C system monitors demand. AD799x Family Features • Specified for VDD of 2.7 V to 5.5 V • Temperature range: –40°C up to +125°C • I2C-compatible interface • On-chip channel sequencer AD7998 Features • 12-bit ADC with conversion time of 2 μs...

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True Bipolar-Input, 12-Bit to 18-Bit Resolution ADCs True bipolar capability means that the input signal can go both positive and negative with respect to the GND terminal of the ADC. This eliminates the need for costly and error-inducing external biasing circuitry. Biasing circuitry invariably has resistors that, if not tightly matched, can dominate the offset and gain performance of the system. Alternatively, the use of bipolar-input ADCs in high accuracy systems results in a lower overall cost where the ADC specification encompasses almost all the offset and gain errors. Such converters...

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Simultaneous Sampling ADCs ADI offers an extensive portfolio of simultaneous sampling ADCs incorporating high performance, resolution, and accuracy with multiple channel combinations that serve to ease the design challenges faced in a variety of applications. Multichannel Simultaneous Sampling ADC Eases Complexities of Design Designers of multichannel current and voltage monitoring systems deal with a complex host of design challenges, such as dual supply requirements, limited analog input range, low analog input impedance, and high costs due to implementation of expensive discrete...

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24-Bit, Wide Bandwidth Analog-to-Digital Converters The AD776x family showcases Analog Devices’ 24-bit ADC technology for wide bandwidth applications. The AD776x family is suitable for a broad range of applications where 24-bit resolution is paramount and where both ac and dc performance are desired. Frequency domain applications are serviced for input bandwidths up to 1 MHz with low ripple, linear phase on-board digital filters. The 2.5 MSPS AD7760 features an on-board differential amplifier, an on-board reference buffer, several decimation rate options, programmable gain and offset...

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ݚ-ڰݚ ADCs AD7190: 4.8 kHz, Ultralow Noise, 24-Bit ˰ݚ-ڰݚ ADC with PGA Enables Faster Precision Measurement The AD7190 is the first device of a new family of industry-leading ˎ-âȆ ADCs aimed at enabling industrial equipment manufacturers to expand the operating speed and precision of their high performance measurement products. The AD7190 ADC achieves greater than 16-bit noise-free resolution up to 2.4 kHz for an input voltage range from 40 mV to 5 V. This level of performance allows designers to measure smaller signals faster and with greater accuracy, which can significantly improve the...

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Precision Resolution, 14 Bits to 18 Bits AD7682 /AD7689 /AD7699 /AD7949 The latest 14-bit and 16-bit multichannel ADCs from Analog Devices offer customers the specifications they’ve been looking for in monitoring applications such as optical modules for telecommunications. The 4-channel and 8-channel versions of these ADCs allow monitoring of all key module measurements such as laser bias current, received optical power, transceiver input voltage, and temperature monitoring. The pin-for-pin compatibility provides users with the ability to increase sampling rates to 500 kSPS or upgrade from...

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Programmable, 14-Bit to 18-Bit Resolution, Bipolar ADCs Featuring software selectable analog input ranges across multiple selections of unipolar and bipolar ranges, these 14-,16-, and 18-bit bipolar ADCs eliminate the need for expensive level shifting and gain stages in front-end analog circuitry, resulting in a dramatic reduction in component costs and board space requirements. Using the ADCs’ internal registers, designers have the flexibility of switching from four different input voltage ranges on-the-fly with zero data latency. With clocking speeds up to 1 MSPS, these ADCs offer up to a...

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