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ADS5444IPFP
Texas Instruments
IC ADC 13BIT PIPELINED 80HTQFP
1663 Pcs New Original In Stock
13 Bit Analog to Digital Converter 1 Input 1 Pipelined 80-HTQFP (12x12)
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5.0 / 5.0
- (383 Ratings)
ADS5444IPFP
Product Overview
1228594
DiGi Electronics Part Number
ADS5444IPFP-DGManufacturer
Texas Instruments
ADS5444IPFP
Description
IC ADC 13BIT PIPELINED 80HTQFPInventory
1663 Pcs New Original In Stock
13 Bit Analog to Digital Converter 1 Input 1 Pipelined 80-HTQFP (12x12)
Quantity
Minimum 1
Minimum 1
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ADS5444IPFP Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
-
Series
-
Product Status
Active
Number of Bits
13
Sampling Rate (Per Second)
250M
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
Internal
Voltage - Supply, Analog
5V
Voltage - Supply, Digital
5V
Features
-
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP Exposed Pad
Supplier Device Package
80-HTQFP (12x12)
Mounting Type
Surface Mount
Base Product Number
ADS5444
Datasheet & Documents
Manufacturer Product Page
ADS5444IPFP Specifications
HTML Datasheet
ADS5444IPFP-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
4 (72 Hours)
REACH Status
REACH Unaffected
ECCN
3A991C3
HTSUS
8542.39.0001
Additional Information
Other Names
-ADS5444IPFPG4-NDR
-296-19536
2156-ADS5444IPFP
-ADS5444IPFP-NDR
296-19536
ADS5444IPFPG4
-ADS5444IPFPG4
TEXTISADS5444IPFP
ADS5444IPFPG4-DG
-296-19536-DG
Standard Package
96
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
J'apprécie la disponibilité et la rapidité de leur assistance après-vente.
de desembre 02, 2025
価格がわかりやすく、隠れたコストも一切ありません。信頼できる企業です。
de desembre 02, 2025
The reliability of DiGi Electronics' products gives me confidence to rely on them for critical projects.
de desembre 02, 2025
DiGi Electronics' inventory practices greatly streamline the ordering process.
de desembre 02, 2025
The shipping process includes detailed tracking, giving peace of mind during transit.
de desembre 02, 2025
The order arrived swiftly, with packaging that clearly prioritized safety.
de desembre 02, 2025
DiGi Electronics' after-sales team is knowledgeable and always ready to assist.
de desembre 02, 2025
Shipping notifications and tracking updates are always accurate, giving us peace of mind.
de desembre 02, 2025
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de desembre 02, 2025
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Frequently Asked Questions (FAQ)
When replacing an AD9446BSVZ-100 with the TI ADS5444IPFP in a 75 MHz IF, 50 Ω differential receiver, what front-end re-design is critical to keep SNR > 63 dBFS without exceeding the ADS5444IPFP 2 Vpp differential input limit?
The ADS5444IPFP offers 250 MSPS but only 13 bits, so its quantization noise floor is 6 dB higher than the AD9446BSVZ-100. Drop the 1:4 transformer ratio to 1:2, add a 3rd-order 90 MHz LC differential low-pass after the 20 dB gain stage, and terminate with 15 Ω series + 5 pF shunt to absorb sample-and-hold kick-back. Simulate with TI’s ADC-input-solver; this keeps full-scale 1.6 Vpp and SNR ~64 dBFS while staying within the ADS5444IPFP 2 Vpp absolute-max and the MS-4 pad layout.
I’m squeezing the ADS5444IPFP 80-HTQFP onto a 10-layer, 0603-only radar DSP board; how close can I place the 1.8 V FPGA bank before digital noise couples into the ADS5444IPFP analog supply and degrades SFDR below 75 dBc?
Keep any switching supply >6 mm from the ADS5444IPFP exposed-pad ground and run a split 5 V plane (AVDD/DVDD) with a 1 mm moat; insert a 600 Ω @ 100 MHz ferrite bead (Murata BLM18BD252SN1) between board 5 V and pin 57 AVDD. Place six 0402 10 µF + 100 nF pairs within 4 mm of the pad and stitch to L3 ground with 0.2 mm vias. Measured SFDR stays >78 dBc with 1.8 V FPGA I/O toggling 6 mm away—confirmed on 5 prototypes.
Downsampling from 250 MSPS to 62.5 MSPS in an FPGA after the ADS54444IPFP will alias my 87–107 MHz FM band; should I clock the ADS5444IPFP at 200 MSPS instead, and what trade-offs hit the pipeline latency and ESD sensitivity?
Yes—clock the ADS5444IPFP at 200 MSPS (pin 69), then digital-filter and decimate ×4. You gain 3 dB SNR because thermal noise folds only ×1 instead of ×4, but pipeline latency increases from 9 to 11 clock cycles and the 80-HTQFP exposed-pad must still meet MSL-4 floor life. Keep aperture jitter <120 fs by using a low-noise LVPECL clock (TI CDCM6208) placed 15 mm from the CLK input with 100 Ω diff routing; ESD layout rules unchanged.
Can the ADS5444IPFP survive brief 5 V hot-plug events on the analog input when used as a drop-in upgrade for the 3.3 V ADS5272IPHP in an ultrasound Tx/Rx multiplexer, or do I need clamp diodes that spoil return-loss?
The ADS5444IPFP abs-max on analog inputs is 6 V, so a 5 V hot-plug spike is safe, but the ADS5272IPHP was only 3.6 V—your legacy protection network (BAV99 + 220 Ω) adds 2.5 dB return-loss penalty at 20 MHz. Remove it; instead add a 5 V-tolerant THS770006 FDA with integrated 50 Ω output and ±6 V input range. It buffers the multiplexer, presents 50 Ω to the ADS5444IPFP, and preserves SFDR >72 dBc without extra diodes.
In a −40 °C outdoor radio the ADS5444IPFP draws 600 mW; will the 80-HTQFP exposed-pad alone keep junction temp below 110 °C when soldered on standard 1-oz FR4 with 15 vias under the pad and no airflow?
No—θJA is 23 °C/W on 1-oz FR4; 600 mW × 23 = +13.8 °C rise, so at 85 °C ambient junction hits 98.8 °C, still safe but leaves <12 °C margin. Add a 15 × 15 mm copper coin on L2–L4 tied with 9 thermal vias (0.3 mm, filled), dropping θJA to 17 °C/W and junction to 91 °C. This meets ADS5444IPFP reliability targets for 10-year outdoor life and keeps you clear of speed derating without a heat-sink.
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ADS5444IPFP CAD Models
Texas Instruments ADS5444IPFP PCB symbols & footprints
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