Integrated Circuits (ICs) > Data Converter ICs > Analog to Digital Converters (ADCs) > AD7927BRU

AD7927BRU

Analog Devices

Part Number:	AD7927BRU
Manufacturer:	Analog Devices
Part Type:	Integrated Circuits (ICs) > Data Converter ICs > Analog to Digital Converters (ADCs) > AD7927BRU
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Description:	8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin TSSOP Tube

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8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin TSSOP Tube

Specifications

TYPE	DESCRIPTION
Case/Package	TSSOP
Contact Plating	Lead, Tin
Number of Pins	20
Differential Nonlinearity	-0.9 LSB
Input Capacitance	20 pF
Integral Nonlinearity (INL)	1 LSB
Interface	SPI
Max Input Voltage	2.525 V
Max Operating Temperature	85 °C
Max Power Dissipation	7.5 mW
Max Supply Voltage	5.25 V
Min Input Voltage	2.475 V
Min Operating Temperature	-40 °C
Min Supply Voltage	2.7 V
Number of A/D Converters	1
Number of Analog Inputs	8
Number of Bits	12
Number of Channels	8
Number of Converters	1
Number of Elements	1
Number of Inputs	8
Packaging	Rail/Tube
Polarity	Unipolar
Power Dissipation	7.5 mW
Resolution	1.5 B
Sampling Rate	200 ksps
Schedule B	8542390000
Signal to Noise Ratio (SNR)	70 dB
Supply Type	Analog, Digital

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Documentation for Analog Devices AD7927BRU

Datasheet	View & Download AD7927BRU Datasheet
Datasheet	View & Download AD7927BRU Datasheet
Datasheet	View & Download AD7927BRU Datasheet
Datasheet	View & Download AD7927BRU Datasheet
Datasheet	View & Download AD7927BRU Datasheet

Alternate Descriptions

Descriptions of Analog Devices AD7927BRU provided by its distributors.
8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin TSSOP Tube
Analog to Digital Converters - ADC 8CH 200 kSPS 12-Bit W/ Sequencer
20-TSSOP (0.173 4.40mm Width) TIN LEAD Tube ADC SUCCESSIVE APPROXIMATION analog digital converter 6.5mm 0.2MHz 2.5V -40C~85C
12BIT ADC, SMD, 7927, TSSOP20; No. of Channels:8; Termination Type:SMD; Case Style:TSSOP; No. of Pins:20; Operating Temperature Range:-40°C to +85°C; A/D, D/A Features:DSP, MicroWire, QSPI, SPI; Base Number:7927; IC Generic Number:7927; Linearity Error, ADC/DAC +:1LSB; Linearity Error, ADC/DAC -:1LSB; Logic Function Number:7927; No. of Bits:12; Power, Ptot:7.5mW; Temp, Op. Max:85°C; Temp, Op. Min:-40°C; Time, Conversion:0.8µs; Voltage, Vcc:5V
The AD7927 is a 12-bit, high speed, low power, 8-channel, successive approximation ADC. The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 200 kSPS. The part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 8 MHz. The conversion process and data acquisition are controlled using CS and the serial clock signal, allowing the device to easily interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and the conversion is also initiated at this point. There are no pipeline delays associated with the part. The AD7927 uses advanced design techniques to achieve very low power dissipation at maximum throughput rates. At maximum throughput rates, the AD7927 consumes 1.2 mA maximum with 3 V supplies; with 5 V supplies, the current consumption is 1.5 mA maximum. Through the configuration of the control register, the analog input range for the part can be selected as 0 V to REFIN or 0 V to 2 × REFIN, with either straight binary or twos complement output coding. The AD7927 features eight single-ended analog inputs with a channel sequencer to allow a preprogrammed selection of channels to be converted sequentially. The conversion time for the AD7927 is determined by the SCLK frequency, as this is also used as the master clock to control the conversion. The conversion time may be as short as 800 ns with a 20 MHz SCLK. Product Highlights High Throughput with Low Power Consumption. The AD7927 offers up to 200 kSPS throughput rates. At the maximum throughput rate with 3 V supplies, the AD7927 dissipates 3.6 mW of power maximum. Eight Single-Ended Inputs with a Channel Sequencer. A consecutive sequence of channels can be selected on which the ADC cycles and converts. Single-Supply Operation with VDRIVE Function. The AD7927 operates from a single 2.7 V to 5.25 V supply. The VDRIVE function allows the serial interface to connect directly to either 3 V or 5 V processor systems independent of AVDD. Flexible Power/Serial Clock Speed Management. The conversion rate is determined by the serial clock, allowing the conversion time to be reduced through the serial clock speed increase. The part also features various shutdown modes to maximize power efficiency at lower throughput rates. Current consumption is 0.5 μA maxi-mum when in full shutdown. No Pipeline Delay. The part features a standard successive approximation ADC with a CS input pin, which allows for accurate control of each sampling instant.

AD7927BRU

Analog Devices

Specifications

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Documentation for Analog Devices AD7927BRU

Alternate Descriptions

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