Analog Devices Inc. AD7657YSTZ
- Part Number:
- AD7657YSTZ
- Manufacturer:
- Analog Devices Inc.
- Ventron No:
- 3017484-AD7657YSTZ
- Description:
- IC ADC 14BIT 6CH 250KSPS 64LQFP
- Datasheet:
- AD7657YSTZ
Description
The AD7656/AD7657/AD7658 are 250 kSPS, 6-channel, simultaneous-sampling, bipolar 16-/14-/12-bit ADCs. They feature true bipolar analog inputs, pin-/software-selectable ranges (±10 V, ±5 V), and a fast throughput rate. The ADCs are designed on the iCMOS process, which combines high voltage silicon with submicron CMOS and complementary bipolar technologies. This process enables the development of high-performance analog ICs capable of 33 V operation in a small footprint.
The AD7656/AD7657/AD7658 contain low noise, wide bandwidth, track-and-hold amplifiers that can handle input frequencies up to 12 MHz. The conversion process and data acquisition are controlled using CONVST signals and an internal oscillator. Three CONVST pins allow independent, simultaneous sampling of the three ADC pairs.
The AD7656/AD7657/AD7658 have a high speed parallel and serial interface, allowing them to interface with microprocessors or DSPs. In serial interface mode, the parts have a daisy-chain feature that allows multiple ADCs to connect to a single serial interface.
Features
Six 16-/14-/12-bit, 250 kSPS ADCs on board
Six true bipolar, high impedance analog inputs
Pin-/software-selectable ranges: ±10 V, ±5 V
Fast throughput rate: 250 kSPS
CMOS process technology
Low power: 140 mW at 250 kSPS with 5 V supplies
Wide input bandwidth: 250 kSPS, 6-channel, simultaneous sampling, bipolar 16-/14-/12-bit ADC
86.5 dB SNR at 50 kHz input frequency
On-chip reference and reference buffers
Parallel, serial, and daisy-chain interface modes
High speed serial interface: SPI-/QSPI-/MICROWIRE-/DSP-compatible
Standby mode: 100 μW maximum
Applications
Power line monitoring systems
Instrumentation and control systems
Multi-axis positioning systems
The AD7656/AD7657/AD7658 are 250 kSPS, 6-channel, simultaneous-sampling, bipolar 16-/14-/12-bit ADCs. They feature true bipolar analog inputs, pin-/software-selectable ranges (±10 V, ±5 V), and a fast throughput rate. The ADCs are designed on the iCMOS process, which combines high voltage silicon with submicron CMOS and complementary bipolar technologies. This process enables the development of high-performance analog ICs capable of 33 V operation in a small footprint.
The AD7656/AD7657/AD7658 contain low noise, wide bandwidth, track-and-hold amplifiers that can handle input frequencies up to 12 MHz. The conversion process and data acquisition are controlled using CONVST signals and an internal oscillator. Three CONVST pins allow independent, simultaneous sampling of the three ADC pairs.
The AD7656/AD7657/AD7658 have a high speed parallel and serial interface, allowing them to interface with microprocessors or DSPs. In serial interface mode, the parts have a daisy-chain feature that allows multiple ADCs to connect to a single serial interface.
Features
Six 16-/14-/12-bit, 250 kSPS ADCs on board
Six true bipolar, high impedance analog inputs
Pin-/software-selectable ranges: ±10 V, ±5 V
Fast throughput rate: 250 kSPS
CMOS process technology
Low power: 140 mW at 250 kSPS with 5 V supplies
Wide input bandwidth: 250 kSPS, 6-channel, simultaneous sampling, bipolar 16-/14-/12-bit ADC
86.5 dB SNR at 50 kHz input frequency
On-chip reference and reference buffers
Parallel, serial, and daisy-chain interface modes
High speed serial interface: SPI-/QSPI-/MICROWIRE-/DSP-compatible
Standby mode: 100 μW maximum
Applications
Power line monitoring systems
Instrumentation and control systems
Multi-axis positioning systems
Analog Devices Inc. AD7657YSTZ technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. AD7657YSTZ.
- Factory Lead Time8 Weeks
- Lifecycle StatusPRODUCTION (Last Updated: 1 month ago)
- Contact PlatingTin
- Mounting TypeSurface Mount
- Package / Case64-LQFP
- Surface MountYES
- Number of Pins64
- Operating Temperature-40°C~125°C
- PackagingTray
- SeriesiCMOS®
- JESD-609 Codee3
- FeatureSimultaneous Sampling, True Bipolar
- Pbfree Codeno
- Part StatusActive
- Moisture Sensitivity Level (MSL)3 (168 Hours)
- Number of Terminations64
- ECCN CodeEAR99
- HTS Code8542.39.00.01
- SubcategoryAnalog to Digital Converters
- Max Power Dissipation143mW
- Terminal PositionQUAD
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage5V
- Terminal Pitch0.5mm
- Reflow Temperature-Max (s)40
- Base Part NumberAD7657
- Pin Count64
- Qualification StatusNot Qualified
- PolarityBipolar
- Power Supplies5 -5/ -15V
- ConfigurationS/H-ADC
- Number of Channels6
- InterfaceSPI
- Max Supply Voltage5.25V
- Min Supply Voltage4.75V
- Nominal Supply Current26mA
- Power Dissipation143mW
- Number of Bits14
- Input TypeSingle Ended
- Min Input Voltage2.5V
- ArchitectureSAR
- Max Input Voltage3V
- Converter TypeADC, SUCCESSIVE APPROXIMATION
- Supply TypeDual
- Reference TypeExternal, Internal
- Data InterfaceSPI, Parallel, DSP
- Resolution1.75 B
- Sampling Rate250 ksps
- Voltage - Supply, Analog5V
- Number of Analog In Channels6
- Sampling Rate (Per Second)250k
- Output Bit Code2'S COMPLEMENT BINARY
- Linearity Error-Max (EL)0.0092%
- Integral Nonlinearity (INL)1.5 LSB
- Sample and Hold / Track and HoldTRACK
- Ratio - S/H:ADC1:1
- Output FormatSERIAL, PARALLEL, WORD
- Signal to Noise Ratio (SNR)83.5 dB
- Negative Supply Voltage-Nom-5V
- Conversion Time-Max3.1μs
- Length10mm
- Width10mm
- REACH SVHCNo SVHC
- RoHS StatusROHS3 Compliant
- Lead FreeContains Lead
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