Analog Devices Inc. AD7854LARSZ
- Part Number:
- AD7854LARSZ
- Manufacturer:
- Analog Devices Inc.
- Ventron No:
- 3010982-AD7854LARSZ
- Description:
- IC ADC 12BIT PARALLEL LP 28SSOP
- Datasheet:
- AD7854LARSZ
Description
The AD7854/AD7854L is a high-speed, low-power, 12-bit ADC that operates from a single 3 V or 5 V power supply. The AD7854 is optimized for speed, while the AD7854L is optimized for low power. The ADC powers up with a set of default conditions and can be operated as a read-only ADC. It contains self-calibration and system calibration options to ensure accurate operation over time and temperature. The AD7854 has a throughput rate of 200 kHz, while the AD7854L has a throughput rate of 100 kHz. The input track-and-hold acquires a signal in 500 ns and features a pseudo-differential sampling scheme. The input voltage range is 0 to V (unipolar) and -V/2 to V/2 (bipolar), centered at V/2. The coding is straight binary in unipolar mode and twos complement in bipolar mode. CMOS construction ensures low power dissipation of typically 5.4 mW for normal operation and 3.6 μW in power-down mode. The part is available in 28-lead, 0.6-inch wide dual-in-line package (DIP), 28-lead small outline (SOIC), and 28-lead small shrink outline (SSOP) packages.
Features
Specified for VDD of 3 V to 5.5 V
Read-only operation
AD7854: 200 kSPS; AD7854L: 100 kSPS
System and self-calibration
Low power
Normal operation:
AD7854: 15 mW (VDD = 3 V)
AD7854L: 5.5 mW (VDD = 3 V)
Automatic power-down after conversion (25 μW)
AD7854: 1.3 mW at 10 kSPS
AD7854L: 650 μW at 10 kSPS
Flexible parallel interface
12-bit parallel/8-bit parallel (AD7854)
28-lead DIP, SOIC, and SSOP packages (AD7854)
Applications
Battery-powered systems (personal digital assistants, medical instruments, mobile communications)
Pen computers
Instrumentation and control systems
High-speed modems
The AD7854/AD7854L is a high-speed, low-power, 12-bit ADC that operates from a single 3 V or 5 V power supply. The AD7854 is optimized for speed, while the AD7854L is optimized for low power. The ADC powers up with a set of default conditions and can be operated as a read-only ADC. It contains self-calibration and system calibration options to ensure accurate operation over time and temperature. The AD7854 has a throughput rate of 200 kHz, while the AD7854L has a throughput rate of 100 kHz. The input track-and-hold acquires a signal in 500 ns and features a pseudo-differential sampling scheme. The input voltage range is 0 to V (unipolar) and -V/2 to V/2 (bipolar), centered at V/2. The coding is straight binary in unipolar mode and twos complement in bipolar mode. CMOS construction ensures low power dissipation of typically 5.4 mW for normal operation and 3.6 μW in power-down mode. The part is available in 28-lead, 0.6-inch wide dual-in-line package (DIP), 28-lead small outline (SOIC), and 28-lead small shrink outline (SSOP) packages.
Features
Specified for VDD of 3 V to 5.5 V
Read-only operation
AD7854: 200 kSPS; AD7854L: 100 kSPS
System and self-calibration
Low power
Normal operation:
AD7854: 15 mW (VDD = 3 V)
AD7854L: 5.5 mW (VDD = 3 V)
Automatic power-down after conversion (25 μW)
AD7854: 1.3 mW at 10 kSPS
AD7854L: 650 μW at 10 kSPS
Flexible parallel interface
12-bit parallel/8-bit parallel (AD7854)
28-lead DIP, SOIC, and SSOP packages (AD7854)
Applications
Battery-powered systems (personal digital assistants, medical instruments, mobile communications)
Pen computers
Instrumentation and control systems
High-speed modems
Analog Devices Inc. AD7854LARSZ technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. AD7854LARSZ.
- Factory Lead Time8 Weeks
- Lifecycle StatusPRODUCTION (Last Updated: 1 month ago)
- Contact PlatingTin
- Mounting TypeSurface Mount
- Package / Case28-SSOP (0.209, 5.30mm Width)
- Surface MountYES
- Number of Pins28
- Operating Temperature-40°C~85°C
- PackagingTube
- JESD-609 Codee3
- Pbfree Codeno
- Part StatusActive
- Moisture Sensitivity Level (MSL)3 (168 Hours)
- Number of Terminations28
- ECCN CodeEAR99
- SubcategoryAnalog to Digital Converters
- Max Power Dissipation30mW
- TechnologyCMOS
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage3.6V
- Terminal Pitch0.65mm
- Reflow Temperature-Max (s)40
- Base Part NumberAD7854
- Pin Count28
- Operating Supply Voltage5V
- PolarityBipolar, Unipolar
- ConfigurationS/H-ADC
- Number of Channels1
- InterfaceParallel, SPI
- Max Supply Voltage5.5V
- Min Supply Voltage3V
- Power Dissipation30mW
- Number of Bits12
- Input TypePseudo-Differential
- Min Input Voltage1.2V
- ArchitectureSAR
- Max Input Voltage5.5V
- Converter TypeADC, SUCCESSIVE APPROXIMATION
- Supply TypeAnalog, Digital
- Reference TypeExternal, Internal
- Data InterfaceSPI
- Resolution1.5 B
- Sampling Rate100 ksps
- Voltage - Supply, Analog3V~5.5V
- Voltage - Supply, Digital3V~5.5V
- Number of Analog In Channels1
- Sampling Rate (Per Second)100k
- Output Bit CodeBINARY, 2'S COMPLEMENT BINARY
- Power Consumption25mW
- Linearity Error-Max (EL)0.0244%
- Integral Nonlinearity (INL)1 LSB
- Sample and Hold / Track and HoldTRACK
- Input Capacitance20pF
- Ratio - S/H:ADC1:1
- Output FormatPARALLEL, WORD
- Signal to Noise Ratio (SNR)71 dB
- Differential Nonlinearity1 LSB
- Height1.75mm
- Length10.2mm
- Width5.3mm
- Radiation HardeningNo
- REACH SVHCNo SVHC
- RoHS StatusROHS3 Compliant
- Lead FreeContains Lead
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