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DAC908E

Name: DAC908E
Rating: 4.7 (12 reviews)

IC DAC 8BIT A-OUT 28TSSOP

제조업체
Mfr.부분 #DAC908E
패키지 28-TSSOP (0.173, 4.40mm Width)
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사양

Supplier	Texas Instruments
Package	Tube
Series	SpeedPlus™
ProductStatus	Active
NumberofBits	8
NumberofD/AConverters	1
SettlingTime	30ns (Typ)
OutputType	Current - Unbuffered
DifferentialOutput	Yes
DataInterface	Parallel
ReferenceType	External, Internal
Voltage-SupplyAnalog	2.7V ~ 5.5V
Voltage-SupplyDigital	2.7V ~ 5.5V
INL/DNL(LSB)	±0.25, ±0.25
Architecture	Current Source
OperatingTemperature	-40°C ~ 85°C
Package/Case	28-TSSOP (0.173, 4.40mm Width)
SupplierDevicePackage	28-TSSOP

개요

Description

DAC908E is a digital-to-analog converter (DAC) device. In general, a DAC converts a binary digital word into a corresponding analog voltage or current, often using a reference input to set the full-scale range. The “E” suffix typically denotes a specific grade or package variant (e.g., industrial/RoHS-compliant), but exact specs depend on the manufacturer and datasheet.
What to know (quick overview):
- Interface: usually serial (SPI) or parallel; check the exact pins (CS/LDAC, SCK, SDI/SDO, VREF).
- Output: voltage (0–VREF or ±VREF) or current, with an external op-amp often used for buffering.
- Performance: resolution (bits), monotonicity, settling time, DNL/INL, and temperature range.
- Requirements: stable reference, supply rails, and sometimes external buffering for load and accuracy.
Typical uses: instrumentation, calibration, waveform generation, control loops, and test equipment.
For precise specs, pinout, timing, and recommended circuits, consult the exact DAC908E datasheet from the manufacturer.

Package

Typically in a 16‑pin package: DIP‑16 or SOIC‑16. Some SMT variants may also be available. Check the specific manufacturer’s datasheet for the exact package option for your DAC908E revision.

Pinout

- Pin count: 28 pins (available in DIP and SOIC/PACK packages).
- Function: 8‑bit multiplying digital‑to‑analog converter (current‑output DAC). It converts an 8‑bit digital input to an output current (Iout) which is usually converted to a voltage by an external op‑amp; uses a reference input for scaling.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI).
What kind of company: A global semiconductor company that specializes in analog, mixed-signal, and digital-signal-processing integrated circuits, serving industrial, automotive, communications, and consumer markets.

Application

DAC908E is a multiplying DAC used in:
- Precision waveform generation and calibration
- Programmable gain/attenuation and level shifting in analog front-ends
- Analog control loops for motors, actuators, and process control
- Data acquisition and automated test equipment signal conditioning
- RF/mixed-signal instrumentation (modulation/demodulation front-ends)
- Reference generation and sensor conditioning in instrumentation systems
(Extended-temp/industrial environments typical for E-grade devices.)

Equivalent

DAC908E equivalents depend on the exact interface and output (8‑bit multiplying DAC, current vs. voltage output, SPI/I2C/parallel). Please share the datasheet or confirm package and interface. Generally, cross-reference with Analog Devices DAC08/DAC0800 family and TI/Burr-Brown equivalents, using a cross‑reference database for exact drop-in parts.