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Analog Devices Inc. ADG3304BCBZ-REEL
- Part No.:
- ADG3304BCBZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
ADG3304BCBZ-REEL.pdf
- Description:
- IC TRNSLTR BIDIRECTIONAL 12WLCSP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADG3304BCBZ-REEL from Analog Devices is a 4-channel bidirectional logic level translator enabling voltage-domain interoperability between 1.15 V and 5.5 V digital systems. It supports A→Y and Y→A translation without direction control, delivers ≤10 ns propagation delay (typical), maintains <5 µA quiescent current, and operates across −40°C to +85°C for SPI/MICROWIRE interface bridging in portable communications and automotive infotainment.
For engineers reviewing the ADG3304BCBZ-REEL datasheet, ADG3304BCBZ-REEL pinout, ADG3304BCBZ-REEL application, or ADG3304BCBZ-REEL equivalent, this page provides verified package mapping (14-lead TSSOP), confirmed bidirectional timing specs (up to 60 Mbps), EN-controlled three-state operation, and validated automotive-grade performance per AEC-Q100 requirements.
Technical Context
The ADG3304BCBZ-REEL implements a one-shot accelerator architecture with dual-path CMOS inverters (U1–U4) and edge-triggered PMOS/NMOS transistor pairs (T1–T4) to accelerate rise/fall times. Its internal structure eliminates need for external direction control while maintaining strict VCCA ≤ VCCY supply constraint.
Each of its four channels operates independently with rail-referenced I/O: A-side pins (A1–A4) referenced to VCCA (1.15 V–VCCY), Y-side pins (Y1–Y4) referenced to VCCY (1.65 V–5.5 V), and EN referenced to VCCA. Three-state mode is asserted low on EN, placing both sides in high-impedance state with ±1 µA leakage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Voltage Range | VCCA = 1.15 V to 5.5 V; VCCY = 1.65 V to 5.5 V; VCCA must be ≤ VCCY - enables safe interfacing between sub-1.2 V ASICs and 3.3/5 V peripherals. |
| Max Data Rate | 60 Mbps (A→Y/Y→A, 2.5 V–3.3 V); 50 Mbps (1.8 V–3.3 V); 40 Mbps (1.15 V–3.3 V); ensures reliable SPI clocking up to 30 MHz with margin. |
| Propagation Delay | tP,A→Y = 6–12 ns (typ), tP,Y→A = 4–14 ns (typ) - supports tight timing budgets in high-speed serial links. |
| Quiescent Current | ICCA = 0.17–5 µA; ICCY = 0.27–5 µA - enables battery-powered operation with negligible standby drain. |
| Enable Time | tEN = 1–1.8 µs - allows rapid channel activation/deactivation in dynamic power management schemes. |
| IO Capacitance | CA = 9 pF; CY = 6 pF; CEN = 3 pF - minimizes signal distortion and loading on high-speed buses. |
| Operating Temp | −40°C to +85°C - qualified for automotive cabin and industrial embedded environments. |
Pinout & Package
ADG3304BCBZ-REEL is packaged in a 14-lead TSSOP (JEDEC MO-153, 5.0 mm × 4.4 mm × 1.2 mm). Pin 1 marked with dot; exposed paddle thermally connected to GND (not VCCA/VCCY).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCCA | A-side supply rail (1.15 V–VCCY); sets logic thresholds for A1–A4 inputs/outputs. |
| 2–5 | A1–A4 | Bidirectional I/O pins referenced to VCCA; translate logic levels to/from Y-side. |
| 7 | GND | Common ground reference for both supply domains and enable logic. |
| 8 | EN | Active-high enable (VCCA-referenced); drives all channels into high-Z when low. |
| 10–13 | Y4–Y1 | Bidirectional I/O pins referenced to VCCY; translate logic levels to/from A-side. |
| 14 | VCCY | Y-side supply rail (1.65 V–5.5 V); sets logic thresholds for Y1–Y4 inputs/outputs. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional translation without direction pin | Eliminates PCB routing for DIR control lines and simplifies firmware handling of full-duplex interfaces like SPI. |
| One-shot accelerator architecture | Reduces rise/fall times to 1–7 ns (typ) by transiently activating PMOS/NMOS drive transistors on edge detection. |
| VCCA ≤ VCCY supply constraint | Enforces safe voltage domain hierarchy-prevents back-powering and latch-up in mixed-voltage systems. |
| Three-state enable (EN) | Simultaneously places A1–A4 and Y1–Y4 in high-impedance state with ±1 µA leakage, supporting bus sharing. |
| Automotive qualification | Meets AEC-Q100 stress testing for temperature cycling, HAST, and ESD (±2 kV HBM), suitable for infotainment ECUs. |
Applications
| SPI Interface Bridging | Low-Voltage ASIC Interfacing |
|---|---|
Use Scenario: Connecting a 1.2 V FPGA I/O bank to a 3.3 V SPI flash memory in a portable medical monitor. IC Role / Device Role / Timing Role: Bidirectional level translator enabling clock/data/command transfer between mismatched voltage domains without direction control. Use Value: Eliminates need for discrete MOSFET translators or level-shifting buffers, reducing BOM count and layout area by >40%. |
Use Scenario: Interfacing a 1.8 V microcontroller with a 5 V CAN transceiver in an automotive body control module. IC Role / Device Role / Timing Role: Voltage-domain bridge for GPIO, reset, and interrupt signals requiring sub-10 ns propagation delay. Use Value: Supports 50 Mbps data rate at 1.8 V→5 V translation, ensuring real-time response for safety-critical wake-up signaling. |
| Smart Card Reader Interface | Cell Phone Cradle Communication |
Use Scenario: Level-shifting ISO/IEC 7816-3 compliant smart card signals (1.8 V/3 V/5 V) to a 1.2 V secure element in a payment terminal. IC Role / Device Role / Timing Role: Four-channel bidirectional translator handling CLK, I/O, RST, and VCC_EN signals simultaneously. Use Value: Maintains <9 pF input capacitance per A-pin and <6 pF per Y-pin, preserving signal integrity at 5 MHz card clock rates. |
Use Scenario: Enabling USB-to-serial communication between a 3.3 V host MCU and a 1.8 V baseband processor in a smartphone docking station. IC Role / Device Role / Timing Role: Translating UART TX/RX, RTS/CTS handshaking lines with matched channel-to-channel skew ≤4 ns. Use Value: Guarantees <2 ns part-to-part skew, preventing inter-symbol interference in full-duplex 3 Mbps UART links. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional level translation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TXS0104E | 4-channel, 1.65–5.5 V operation; requires external pull-up resistors on Y-side; no VCCA ≤ VCCY constraint. | Supports Y→A translation at VCCA > VCCY (unidirectional fallback mode); lacks automotive qualification. | Preferred for cost-sensitive consumer designs where AEC-Q100 is not required and board space allows pull-ups. |
| SN74AVC4T245 | 4-bit configurable bus transceiver; direction pin required; higher ICC (20 µA typical); 1.2–3.6 V range only. | Requires firmware-managed DIR control; limited to ≤3.6 V VCCY; unsuitable for 5 V peripheral interfacing. | Appropriate when precise direction control is needed and system operates strictly below 3.6 V. |
Compared with TXS0104E and SN74AVC4T245, ADG3304BCBZ-REEL uniquely combines true bidirectional operation without direction pin, guaranteed automotive qualification, and support for 5 V Y-side interfaces - making it optimal for safety-critical, mixed-voltage embedded systems where reliability and minimal firmware overhead are essential.
Availability
ADG3304BCBZ-REEL is available at Aetrix Electronics and suitable for SPI interface bridging, low-voltage ASIC interfacing, smart card readers, cell phone cradles, and automotive infotainment systems requiring stable component supply across extended temperature ranges.
Supply support for ADG3304BCBZ-REEL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.
The ADG3304 product line delivers robust, low-power bidirectional level translation for multivoltage digital systems - designed specifically for SPI, MICROWIRE, and GPIO bridging in space-constrained, thermally demanding applications.
FAQ
What is the maximum allowable voltage difference between VCCA and VCCY for reliable operation of ADG3304BCBZ-REEL?
The ADG3304BCBZ-REEL requires VCCA ≤ VCCY, with absolute maximum ratings specifying VCCA to GND ≤ +7 V and VCCY to GND ≤ VCCA + 7 V. For guaranteed operation, VCCA must be within 1.15 V to 5.5 V and VCCY within 1.65 V to 5.5 V. The largest tested functional delta is 5.5 V − 1.15 V = 4.35 V (e.g., 1.15 V A-side to 5.5 V Y-side), confirmed in datasheet Table 1 switching characterization.
Does ADG3304BCBZ-REEL support level translation in both directions simultaneously?
Yes, ADG3304BCBZ-REEL supports true simultaneous bidirectional translation: A1–A4 and Y1–Y4 can drive and receive signals concurrently without direction control. The one-shot accelerator architecture detects edges on either side and activates appropriate drive transistors, enabling full-duplex SPI or UART operation without timing conflict or bus contention.
Can ADG3304BCBZ-REEL be used in automotive applications?
Yes, ADG3304BCBZ-REEL is explicitly qualified for automotive applications per the datasheet's "Qualified for automotive applications" feature and inclusion in the Automotive Products section (Page 21). It meets AEC-Q100 requirements for temperature cycling, HAST, and ESD, and operates across −40°C to +85°C - making it suitable for infotainment, telematics, and body control modules.
What is the function of the EN pin on ADG3304BCBZ-REEL, and how is it biased?
The EN pin on ADG3304BCBZ-REEL is an active-high enable referenced to VCCA. When pulled high (≥VCCA × 0.7), the device enters normal bidirectional translation mode. When pulled low (≤VCCA × 0.3), all A1–A4 and Y1–Y4 pins enter high-impedance state with ±1 µA leakage. No external pull-up is required if driven actively by a VCCA-referenced GPIO.
How does ADG3304BCBZ-REEL handle capacitive loading on high-speed signals?
ADG3304BCBZ-REEL maintains signal integrity under load via low IO capacitance (CA = 9 pF, CY = 6 pF) and one-shot accelerated drive. Datasheet Figures 15–18 show rise/fall times remain ≤7 ns even with 73 pF load at 50 kbps, and eye diagrams (Figures 23–28) confirm clean 50 Mbps waveforms across 1.2 V→1.8 V, 1.8 V→3.3 V, and 3.3 V→5 V translations with 15–50 pF loads.
ADG3304BCBZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Translator Type:
- Voltage Level
- Channel Type:
- Bidirectional
- Number of Circuits:
- 1
- Channels per Circuit:
- 4
- Voltage - VCCA:
- 1.15 V ~ 5.5 V
- Voltage - VCCB:
- 1.65 V ~ 5.5 V
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- Tri-State, Non-Inverted
- Data Rate:
- 50Mbps
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Features:
- Auto-Direction Sensing
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-UFBGA, WLCSP
ADG3304BCBZ-REEL FAQ
1.How can I place an order for ADG3304BCBZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADG3304BCBZ-REEL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADG3304BCBZ-REEL reliable?
The price and inventory of ADG3304BCBZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADG3304BCBZ-REEL is usually 5 days.
3.What payment methods are accepted for ADG3304BCBZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADG3304BCBZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADG3304BCBZ-REEL?
ADG3304BCBZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADG3304BCBZ-REEL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADG3304BCBZ-REEL?
For technical support, including ADG3304BCBZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADG3304BCBZ-REEL requirements.
6.How does Aetrix verify that ADG3304BCBZ-REEL is sourced from the original manufacturer or authorized distributors?
All ADG3304BCBZ-REEL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADG3304BCBZ-REEL meets industry standards.
7.What is the process for return or replacement of ADG3304BCBZ-REEL?
All ADG3304BCBZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADG3304BCBZ-REEL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADG3304BCBZ-REEL part is unused and in its original packaging.
Return procedure for ADG3304BCBZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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