AD7782BRUZ Analog Devices Inc, AD7782BRUZ Datasheet
AD7782BRUZ
Specifications of AD7782BRUZ
Available stocks
Related parts for AD7782BRUZ
AD7782BRUZ Summary of contents
Page 1
GENERAL DESCRIPTION The AD7782 is a complete analog front end for low-frequency measurement applications. The 24-bit sigma-delta ADC contains two fully differential analog input channels that can be config- ured with a gain allowing full-scale ...
Page 2
AD7782–SPECIFICATIONS Parameter ADC CHANNEL SPECIFICATION Output Update Rate ADC CHANNEL 2 No Missing Codes Resolution Output Noise Integral Nonlinearity Offset Error Offset Error Drift vs. Temperature Full-Scale Error Gain Drift vs. Temperature Power Supply Rejection (PSR) ANALOG INPUTS Differential Input ...
Page 3
Parameter LOGIC INPUTS (continued) 2 XTAL1 Only V , Input Low Voltage INL V , Input High Voltage INH V , Input Low Voltage INL V , Input High Voltage INH Input Currents Input Capacitance LOGIC OUTPUTS (Excluding XTAL2) 2 ...
Page 4
AD7782 TIMING CHARACTERISTICS Limit at T Parameter (B Version) t 30.5176 1 t 50.54 ADC × ADC ...
Page 5
CH1/CH2 ( ( DOUT/RDY SLAVE MODE SCLK (I) t MASTER MODE SCLK ( INPUT TO AD7782 OUTPUT FROM AD7782 SLAVE MODE IS SELECTED BY TYING THE MODE PIN LOW, ...
Page 6
AD7782 Pin No. Mnemonic Function 1 XTAL1 Input to the 32.768 kHz Crystal Oscillator Inverter. 2 REFIN(+) Positive Reference Input. REFIN(+) can lie anywhere between V voltage (REFIN(+) – REFIN(–)) is 2.5 V, but the part functions with a reference ...
Page 7
Typical Performance Characteristics ADC CIRCUIT INFORMATION Overview The AD7782 incorporates an analog multiplexer with a Σ-∆ ADC channel, on-chip programmable gain amplifier, and on-chip digital filtering intended for the measurement ...
Page 8
AD7782 NOISE PERFORMANCE Table I shows the output rms noise and output peak-to-peak resolution in bits (rounded to the nearest 0.5 LSB) for the two input voltage ranges. The numbers are typical and generated at a differential input voltage of ...
Page 9
Bipolar Configuration/Output Coding The analog inputs on the AD7782 accept bipolar input voltage ranges. Signals on the AIN(+) input of the ADC are referenced to the voltage on the respective AIN(–) input. For example, if AIN(–) is 2.5 V and ...
Page 10
AD7782 SEATING OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 16-Lead Thin Shrink SO Plastic (TSSOP) (RU-16) 0.201 (5.10) 0.193 (4.90 0.177 (4.50) 0.169 (4.30) 0.256 (6.50) 0.246 (6.25 PIN 1 0.006 (0.15) 0.0433 (1.10) MAX ...
Page 11
...
Page 12
...