Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
DAC0808LCM
Texas Instruments
IC DAC 8BIT A-OUT 16SOIC
5177 Pcs New Original In Stock
8 Bit Digital to Analog Converter 1 16-SOIC
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (53 Ratings)
DAC0808LCM
Product Overview
1264607
DiGi Electronics Part Number
DAC0808LCM-DGManufacturer
Texas Instruments
DAC0808LCM
Description
IC DAC 8BIT A-OUT 16SOICInventory
5177 Pcs New Original In Stock
8 Bit Digital to Analog Converter 1 16-SOIC
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
DAC0808LCM Technical Specifications
Category
Data Acquisition, Digital to Analog Converters (DAC)
Packaging
-
Series
-
Product Status
Obsolete
DiGi-Electronics Programmable
Not Verified
Number of Bits
8
Number of D/A Converters
1
Settling Time
150ns (Typ)
Output Type
Current - Unbuffered
Differential Output
No
Data Interface
Parallel
Reference Type
External
Voltage - Supply, Analog
±4.5V ~ 18V
Voltage - Supply, Digital
-
INL/DNL (LSB)
-
Architecture
Multiplying DAC
Operating Temperature
0°C ~ 75°C
Package / Case
16-SOIC (0.154", 3.90mm Width)
Supplier Device Package
16-SOIC
Mounting Type
Surface Mount
Base Product Number
DAC0808
Datasheet & Documents
HTML Datasheet
DAC0808LCM-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
48
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
每次採購都很順利，流程簡單，讓我們能專注於教學工作。
de desembre 02, 2025
The logistics tracking system is outstanding, makes delivery transparent.
de desembre 02, 2025
I always know I can rely on DiGi Electronics for consistent and dependable products.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
What are the key design risks when integrating the DAC0808LCM in a modern precision signal generation circuit given its unbuffered current output and external reference requirement?
The DAC0808LCM's unbuffered current output requires careful design of the external I-to-V conversion stage, typically with a precision op-amp. Designers must account for output impedance, bandwidth limitations, and temperature drift in the amplifier to avoid gain and linearity errors. Since it uses an external reference, noise and stability of the reference voltage directly impact accuracy. For precision applications, pairing the DAC0808LCM with a low-noise, high-stability reference like the REF5025 and a low-input-bias-current op-amp such as OPA277 is recommended. Additionally, PCB layout must minimize leakage paths and noise coupling, especially in high-impedance summing nodes to maintain 8-bit accuracy across temperature and load variations.
How does the obsolete status of the DAC0808LCM affect long-term reliability and supply chain planning for new designs?
The obsolete status of the DAC0808LCM means Texas Instruments no longer recommends it for new designs, and future availability is limited to existing inventory. While current stocks (5,150 pcs) may support short-to-medium production runs, long-term reliability is at risk due to potential counterfeit parts in the open market after authorized stock exhaustion. For mission-critical or long-lifecycle products, consider redesigning with active-pin-compatible alternatives like the DAC808S08CTR (newer pin-for-pin upgrade with lower power and extended temp range) or buffer the DAC0808LCM output with precision op-amps to extend usability. Always source DAC0808LCM from authorized suppliers to mitigate reliability risks from counterfeit or out-of-spec parts.
Can the DAC0808LCM replace the AD557JN in a legacy industrial control system, and what interface compatibility issues should be evaluated?
While both the DAC0808LCM and AD557JN are 8-bit parallel-input multiplying DACs in 16-pin packages, direct replacement requires caution. The DAC0808LCM uses a 16-SOIC surface-mount package versus the AD557JN’s 16-DIP through-hole, requiring a PCB redesign. Voltage supply ranges overlap (±4.5V to ±18V), but the AD557JN includes an internal reference while DAC0808LCM requires an external one—this adds complexity and component count. Additionally, the DAC0808LCM has a faster settling time (150ns vs. 300ns) but lacks internal latching, requiring an external latch if interfacing with microcontrollers without simultaneous write control. Evaluate control timing, reference stability, and thermal performance before substitution.
What PCB layout and thermal considerations are critical when using the DAC0808LCM in a high-density analog-digital mixed-signal system?
In mixed-signal designs with the DAC0808LCM, proper PCB layout is essential to prevent digital switching noise from modulating the analog output. Use a split ground plane with a single-point connection near the DAC, and keep digital traces short and away from analog output paths. The MSL1 rating supports reflow assembly without baking, but thermal gradients during soldering must be minimized to prevent tombstoning on the 16-SOIC. Place the external reference and I-to-V op-amp close to the DAC outputs to reduce parasitic capacitance. Avoid routing high-speed digital lines beneath the device, and use local decoupling (100nF ceramic + 10μF tantalum) on all supply pins to stabilize supply current during fast transitions.
What are the performance trade-offs when using the DAC0808LCM as a multiplying DAC in a variable-gain amplifier instead of a fixed-reference DAC like the DAC0800LCN?
When using the DAC0808LCM as a multiplying DAC, the analog reference voltage becomes a signal input, enabling variable gain control. However, this introduces signal-dependent bandwidth and linearity constraints: the DAC’s internal R-2R ladder interacts with reference source impedance, potentially causing settling errors and distortion at higher frequencies. Compared to the DAC0800LCN—which features built-in buffering and tighter specifications for multiplying applications—the DAC0808LCM requires lower-impedance drive (< 100Ω) and suffers from poorer gain stability over temperature. For best results, buffer both the reference input and DAC output, and limit signal bandwidth to under 100kHz to maintain monotonicity and minimize thermal EMFs in precision gain stages.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
DAC0808LCM CAD Models
Texas Instruments DAC0808LCM PCB symbols & footprints
productDetail
