規格
| 屬性 | 價值 |
| Supplier | Rochester Electronics, LLC,Texas Instruments |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Number of Bits | 12 |
| Number of D/A Converters | 4 |
| Settling Time | 10µs |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | SPI |
| Reference Type | External |
| Voltage - Supply, Analog | ±5V |
| Voltage - Supply, Digital | 5V |
| INL / DNL(LSB) | ±2 (Max), ±1 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 20-SSOP |
概述
Description
Introduction to DAC7614E:
- What it is: A 14‑bit digital‑to‑analog converter (DAC) with a serial (SPI‑like) input, part of the DAC7614E family. It converts a 14‑bit digital word into an analog output (voltage or current, depending on configuration and external circuitry).
- Interface and control: Serial data input, clock, and chip‑select; may include LDAC (for simultaneous update) and CLR/SHDN pins for reset or power‑down.
- Key characteristics: monotonic operation with low glitch energy and good linearity, suitable for precision applications. Requires an external reference and an output stage (buffer/op‑amp for voltage output or a resistor for current‑output mode).
- Typical applications: instrumentation, calibration, test equipment, process control, waveform generation.
- How to use: supply power, connect a reference, drive the serial interface with a 14‑bit word, and issue an update to produce the corresponding analog output.
Note: exact specs (voltage/current output, reference options, temperature range) vary by revision; consult the datasheet for your specific part.
- What it is: A 14‑bit digital‑to‑analog converter (DAC) with a serial (SPI‑like) input, part of the DAC7614E family. It converts a 14‑bit digital word into an analog output (voltage or current, depending on configuration and external circuitry).
- Interface and control: Serial data input, clock, and chip‑select; may include LDAC (for simultaneous update) and CLR/SHDN pins for reset or power‑down.
- Key characteristics: monotonic operation with low glitch energy and good linearity, suitable for precision applications. Requires an external reference and an output stage (buffer/op‑amp for voltage output or a resistor for current‑output mode).
- Typical applications: instrumentation, calibration, test equipment, process control, waveform generation.
- How to use: supply power, connect a reference, drive the serial interface with a 14‑bit word, and issue an update to produce the corresponding analog output.
Note: exact specs (voltage/current output, reference options, temperature range) vary by revision; consult the datasheet for your specific part.
Equivalent
DAC7614E is TI’s quad 12-bit DAC with SPI interface and voltage outputs. Closest cross/vendor equivalents (same quad 12-bit SPI type) include:
- Analog Devices AD5674R (quad 12-bit SPI, buffered outputs)
- Microchip MCP4924 (quad 12-bit SPI)
Note: exact pinout, reference, output range, and temp grade differ. For a precise one-to-one cross, use TI’s cross-reference tool or share your required specs.
- Analog Devices AD5674R (quad 12-bit SPI, buffered outputs)
- Microchip MCP4924 (quad 12-bit SPI)
Note: exact pinout, reference, output range, and temp grade differ. For a precise one-to-one cross, use TI’s cross-reference tool or share your required specs.
Manufacturer
- Manufacturer: Texas Instruments (TI).
- What kind of company: An American multinational semiconductor company that designs, manufactures, and sells analog and digital integrated circuits.
- What kind of company: An American multinational semiconductor company that designs, manufactures, and sells analog and digital integrated circuits.
Application
Typical application areas for the DAC7614E (quad precision DAC) include:
- Instrumentation and data-acquisition systems needing accurate analog voltages
- Process control and industrial automation for loop/drive signals
- Calibration, test, and measurement equipment
- Signal and waveform generation in lab/bench equipment
- Programmable bias, offset, and reference-voltage generation in embedded systems
- Sensor simulation for automotive, medical, and research devices
- Power-management and DC operating-point setting in precision analog circuits
Note: suitable for any application requiring multi-channel, high-accuracy D/A conversion.
- Instrumentation and data-acquisition systems needing accurate analog voltages
- Process control and industrial automation for loop/drive signals
- Calibration, test, and measurement equipment
- Signal and waveform generation in lab/bench equipment
- Programmable bias, offset, and reference-voltage generation in embedded systems
- Sensor simulation for automotive, medical, and research devices
- Power-management and DC operating-point setting in precision analog circuits
Note: suitable for any application requiring multi-channel, high-accuracy D/A conversion.
Package
16-pin TSSOP package.
