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ADC12C080CISQE/NOPB
Texas Instruments
IC ADC 12BIT PIPELINED 32WQFN
1455 Pcs New Original In Stock
12 Bit Analog to Digital Converter 1 Input 1 Pipelined 32-WQFN (5x5)
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5.0 / 5.0
- (135 Ratings)
ADC12C080CISQE/NOPB
Product Overview
1263852
DiGi Electronics Part Number
ADC12C080CISQE/NOPB-DGManufacturer
Texas Instruments
ADC12C080CISQE/NOPB
Description
IC ADC 12BIT PIPELINED 32WQFNInventory
1455 Pcs New Original In Stock
12 Bit Analog to Digital Converter 1 Input 1 Pipelined 32-WQFN (5x5)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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ADC12C080CISQE/NOPB Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Number of Bits
12
Sampling Rate (Per Second)
80M
Number of Inputs
1
Input Type
Differential
Data Interface
Parallel
Configuration
S/H-ADC
Ratio - S/H:ADC
1:1
Number of A/D Converters
1
Architecture
Pipelined
Reference Type
External, Internal
Voltage - Supply, Analog
2.7V ~ 3.6V
Voltage - Supply, Digital
2.4V ~ 3.6V
Features
-
Operating Temperature
-40°C ~ 85°C
Package / Case
32-WFQFN Exposed Pad
Supplier Device Package
32-WQFN (5x5)
Mounting Type
Surface Mount
Base Product Number
ADC12C080
Datasheet & Documents
HTML Datasheet
ADC12C080CISQE/NOPB-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
ADC12C080CISQE/NOPBTR
ADC12C080CISQECT
ADC12C080CISQECT-DG
ADC12C080CISQENOPB
ADC12C080CISQETR
ADC12C080CISQETR-DG
ADC12C080CISQEDKR
ADC12C080CISQE/NOPBCT
ADC12C080CISQE/NOPBDKR
ADC12C080CISQEDKR-DG
Standard Package
250
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Une expérience d'achat exemplaire : livraison fiable et service après-vente attentif et efficace.
Dec 02, 2025
Ich schätze die hohe Qualität in der Verpackung und die stets freundliche Betreuung im Kundenservice.
Dec 02, 2025
DiGi Electronics offers wallet-friendly options backed by a friendly and professional team.
Dec 02, 2025
The ordering process was smooth, and the staff guided me patiently through all steps.
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Frequently Asked Questions (FAQ)
What are the critical layout considerations when designing a PCB for the ADC12C080CISQE/NOPB to maintain 12-bit linearity at 80 MSPS in a mixed-signal environment?
To preserve the ADC12C080CISQE/NOPB’s 12-bit performance at 80 MSPS, strict separation between analog and digital grounds is essential—use a single-point star ground near the device’s exposed pad. Route the differential analog input traces as tightly coupled, impedance-controlled differential pairs with minimal length mismatch (<5 mils). Place the external reference voltage buffer (e.g., REF1004 or similar low-noise LDO) within 5 mm of the REF pin, and decouple both AVDD and DVDD with 0.1 µF X7R ceramics directly at each supply pin. Avoid routing high-speed digital outputs (e.g., D0–D11, CLKOUT) over analog ground splits or near the input path to prevent coupling-induced INL degradation.
Can the ADC12C080CISQE/NOPB be safely replaced with the AD9235BRUZ-65 in a 3.3V single-supply system without redesigning the front-end or clocking circuitry?
No, direct replacement of the ADC12C080CISQE/NOPB with the AD9235BRUZ-65 is not recommended without re-evaluation. While both are 12-bit ADCs, the AD9235BRUZ-65 operates at 65 MSPS (vs. 80 MSPS) and uses a single 3.3V supply for both analog and digital domains, whereas the ADC12C080CISQE/NOPB supports separate analog (2.7–3.6V) and digital (2.4–3.6V) supplies—enabling cleaner power isolation. Additionally, the AD9235 has a different input full-scale range (typically 2 Vpp differential) compared to the ADC12C080’s configurable range via external reference. Mismatched input drive requirements or clock jitter sensitivity could degrade SNR, requiring front-end amplifier and clock source reassessment.
How does the internal reference option of the ADC12C080CISQE/NOPB impact long-term stability in industrial temperature environments (-40°C to 85°C), and when should an external reference be used instead?
The ADC12C080CISQE/NOPB’s internal reference provides convenience but exhibits higher drift (~30 ppm/°C typical) compared to precision external references like the REF5025 (3 ppm/°C). Over its full operating range (-40°C to 85°C), this can introduce up to ±0.75 LSB of offset drift, which may exceed system accuracy requirements in precision measurement applications (e.g., motor control or data acquisition). For systems demanding better than ±1 LSB stability over temperature, use a low-drift, low-noise external reference with bypassing per TI’s layout guidelines. The internal reference is acceptable for cost-sensitive or space-constrained designs where moderate drift is tolerable.
What are the risks of driving the ADC12C080CISQE/NOPB’s differential input with a single-ended source through a passive balun, and how can signal integrity be preserved?
Using a passive balun to convert a single-ended signal to drive the ADC12C080CISQE/NOPB introduces amplitude and phase imbalance, especially near the 80 MSPS Nyquist limit (40 MHz), which degrades even-order distortion (HD2, HD4) and reduces SFDR. Additionally, balun insertion loss and bandwidth limitations can attenuate high-frequency components. To mitigate this, select a wideband, high-isolation balun (e.g., Mini-Circuits ADT1-1WT+) with flat response up to 100 MHz, and ensure impedance matching (50 Ω) on both primary and secondary sides. Alternatively, use an active differential amplifier (e.g., THS4509) for better control over gain, bandwidth, and common-mode rejection, though this increases power and complexity.
Is the ADC12C080CISQE/NOPB suitable for battery-powered applications requiring low standby current, and what power-saving techniques can be applied during idle periods?
The ADC12C080CISQE/NOPB is not optimized for ultra-low-power operation—its typical operating current exceeds 100 mA at 80 MSPS—making it poorly suited for always-on battery applications. However, in intermittent sampling systems (e.g., wireless sensor nodes), power can be reduced by gating the clock input to halt conversions and leveraging the device’s fast wake-up time (<1 µs). Ensure the digital interface is held in a known state during sleep to prevent leakage through input pins. For extended battery life, consider lower-speed, power-optimized alternatives like the ADS7040 (1-MSPS, 12-bit, <1 mW), but note that replacing the ADC12C080CISQE/NOPB will require revalidating timing, throughput, and anti-aliasing filter requirements.
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ADC12C080CISQE/NOPB CAD Models
Texas Instruments ADC12C080CISQE/NOPB PCB symbols & footprints
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