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DAC38J84IAAV
Texas Instruments
IC DAC 16BIT A-OUT 144FCBGA
1464 Pcs New Original In Stock
16 Bit Digital to Analog Converter 4 144-FCBGA (10x10)
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5.0 / 5.0
- (162 Ratings)
DAC38J84IAAV
Product Overview
1442412
DiGi Electronics Part Number
DAC38J84IAAV-DGManufacturer
Texas Instruments
DAC38J84IAAV
Description
IC DAC 16BIT A-OUT 144FCBGAInventory
1464 Pcs New Original In Stock
16 Bit Digital to Analog Converter 4 144-FCBGA (10x10)
Quantity
Minimum 1
Minimum 1
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DAC38J84IAAV Technical Specifications
Category
Data Acquisition, Digital to Analog Converters (DAC)
Packaging
Tray
Series
-
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Number of Bits
16
Number of D/A Converters
4
Settling Time
10ns (Typ)
Output Type
Current - Unbuffered
Differential Output
Yes
Data Interface
JESD204B
Reference Type
External, Internal
Voltage - Supply, Analog
3.15V ~ 3.45V
Voltage - Supply, Digital
0.85V ~ 0.95V
INL/DNL (LSB)
±6, ±4
Architecture
Current Source
Operating Temperature
-40°C ~ 85°C
Package / Case
144-FBGA, FCBGA
Supplier Device Package
144-FCBGA (10x10)
Mounting Type
Surface Mount
Base Product Number
DAC38J84
Datasheet & Documents
Manufacturer Product Page
DAC38J84IAAV Specifications
HTML Datasheet
DAC38J84IAAV-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
296-38385
-296-38385-DG
Standard Package
168
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
Bestellung bei DiGi Electronics war fantastisch. Die Verpackung war umweltgerecht, und die Lieferung kam super schnell an.
de desembre 02, 2025
Smooth and rapid shipping process, complemented by a product that feels very high-end.
de desembre 02, 2025
Their transparent pricing makes comparison shopping simple and trustworthy.
de desembre 02, 2025
Every purchase from DiGi Electronics has exceeded my expectations.
de desembre 02, 2025
They maintain excellent communication and support, ensuring a smooth experience from order to after-sales.
de desembre 02, 2025
Their promptness in handling orders and customer queries reflects their dedication to service excellence.
de desembre 02, 2025
Their efficient shipping process made my shopping experience smooth.
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Frequently Asked Questions (FAQ)
When laying out a JESD204B link with the TI DAC38J84IAAV, how do I keep the 10 ns settling time spec honest under worst-case PCB skew and temperature to avoid mid-production respins?
Keep lane-to-lane skew below 20 ps (≈3 mm extra length) and match via counts; use a low-loss laminate (εr 3.4) and keep the DAC38J84IAAV analog supply ripple under 10 mVPP so the internal current cells never re-bias—both verified with a 12 GHz probe and an eye-mask test at 85 °C. If you must extend traces, deskew in the FPGA SERDES, never in copper, to stay inside the 10 ns settling budget.
Can the DAC38J84IAAV directly replace an AD9164BBCAZ in an existing 4-channel 16-bit Tx card without respinning the power tree, and what hidden start-up conflict should I watch for?
DAC38J84IAAV will fit the 4-channel footprint and hits similar 16-bit resolution, but it needs three supplies (0.9 V digital, 3.3 V analog, 1.8 V IO) while AD9164BBCAZ uses 1.0 V/2.5 V. Program the on-chip LDO enable bits in register 0x08 first; otherwise the 0.9 V core can brown-out during JESD204B sync, corrupting the first 50 ms of data on every power cycle.
I’m squeezing 4 DAC38J84IAAV packages on one 10-layer board running at 85 °C; what’s the real thermal resistance risk and how do I keep jitter-induced spurs below 70 dBc?
One DAC38J84IAAV dissipates ≈1.4 W at 2.5 GSPS; four devices = 5.6 W. With ΘJA 23 °C/W and no airflow, junction temp rises to 128 °C—above the 125 °C abs max. Use 0.8 mm thermal vias to a solid copper heat-spreader on layer 8, add 400 LFM airflow, and run the JESD204B lane rate ≤ 10 Gbps to hold switching noise low enough that wideband jitter stays <200 fs, keeping spurs >70 dBc.
If I only need 12-bit performance, does the DAC38J84IAAV give me headroom to shut off one supply and save current, or would the pin-compatible DAC37J84IAAV be safer?
DAC38J84IAAV and DAC37J84IAAV share the same FCBGA-144 footprint, but the 37J84 draws 330 mA less analog current because it omits one interpolation stage. Power savings ≈1.1 W. You still need all three voltage domains active in both parts—there is no fuse or supply-gating option—so choose DAC37J84IAAV if you can accept 12-bit ENOB and want cooler operation, especially when running multiple converters in an RF Phased-array.
I forgot to add the external 1.2 V reference on the DAC38J84IAAV first article; will the internal reference still pass production DNL spec of ±4 LSB over –40 °C to 85 °C, or must I spin the board?
The on-chip band-gap in DAC38J84IAAV keeps DNL inside ±4 LSB, but INL drifts to ±10 LSB and noise density rises 4 dB. For 16-bit radar or wideband SDR applications that is marginal. Solder a 0.5 ppm/°C LDO (e.g., ADR127) to the unused REFP pads with a 0402 0.1 µF cap as close as 2 mm; layout allows this on current revision, saving a costly re-spin while restoring full datasheet linearity.
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.
DAC38J84IAAV CAD Models
Texas Instruments DAC38J84IAAV PCB symbols & footprints
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