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Analog Devices Inc. LTC2202CUK#PBF
- Part No.:
- LTC2202CUK#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
LTC2202CUK#PBF.pdf
- Description:
- IC ADC 16BIT PIPELINED 48QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,031
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Product details
Overview
LTC2202CUK#PBF from Analog Devices (formerly Linear Technology) is a 16-bit, 10Msps analog-to-digital converter optimized for high-frequency, wide dynamic range signal digitization up to 380MHz full-power bandwidth. It features a programmable gain amplifier (PGA) front end, 81.6dB SNR at 1MHz input (2.5V range), ±4LSB INL, and operates from a single 3.3V supply - used in spectrum analyzers, cellular base station receivers, and ATE systems.
For engineers reviewing the LTC2202CUK#PBF datasheet, LTC2202CUK#PBF pinout, LTC2202CUK#PBF application, or LTC2202CUK#PBF equivalent, key selection criteria include its 10Msps sampling rate, 1.667VP-P/2.5VP-P dual-input-range PGA, CMOS output swing (0.5V–3.6V), clock duty cycle stabilizer, and out-of-range indicator - all critical for RF receiver and test instrumentation design.
Technical Context
The LTC2202CUK#PBF implements a 16-bit pipelined ADC core with integrated sample-and-hold (380MHz bandwidth), internal 2.5V bandgap reference (selectable via SENSE pin), and configurable PGA (0dB or 6dB gain). Its digital interface uses parallel CMOS outputs with separate OVDD supply (0.5V–3.6V) and supports optional internal dither and data randomization to improve SFDR performance.
Timing is controlled by a single-ended CLK input with aperture delay of 0.9ns and pipeline latency of 7 cycles. The device includes a clock duty cycle stabilizer for robust operation across varying input clock duty cycles, and an out-of-range (OF) flag synchronized to CLKOUT for real-time signal monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit, no missing codes - guarantees monotonicity and full code coverage for precision measurement. |
| Sampling Rate | 10Msps - fixed maximum conversion rate for deterministic timing in real-time acquisition systems. |
| SNR | 81.6dB at 1MHz input (2.5V range, PGA = 0) - enables high-fidelity digitization of narrowband RF signals. |
| SFDR | 100dBc at 1MHz input (2.5V range, PGA = 0) - suppresses spurious content critical for spectral purity in receivers. |
| INL / DNL | ±4LSB / ±1LSB - ensures accurate amplitude linearity and minimal code-width variation in calibration-sensitive applications. |
| Power Dissipation | 140mW at 10Msps - low power enables dense channel count in multi-channel ATE and instrumentation. |
| Full-Power Bandwidth | 380MHz - supports direct RF sampling of IF signals up to cellular and WiMAX bands without external downconversion. |
Pinout & Package
Package: 48-lead (7mm × 7mm) plastic QFN with exposed pad (GND, Pin 49), rated for 0°C to 70°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN+, AIN– | Differential analog input | Accepts 1.667VP-P or 2.5VP-P differential signal; common-mode voltage set by VCM (1.25V). |
| CLK | Sample clock input | Falling edge initiates hold phase; rising edge latches output data - enables synchronous capture. |
| D0–D15 | Parallel CMOS data outputs | 16-bit two's complement format; output swing referenced to OVDD (0.5V–3.6V) for flexible logic interfacing. |
| OF | Out-of-range indicator | Active-high flag synchronized to CLKOUT, signaling input saturation for automatic gain control or clipping detection. |
| SHDN | Power shutdown control | Low = active; high = analog core powered down, digital outputs tri-stated - reduces idle power to 2mW. |
| SENSE | Reference mode select | Tied to VDD selects internal 2.5V reference; external 1.25V/2.5V reference supported for precision scaling. |
| VCM | Common-mode bias output | 1.25V buffered output; must be bypassed with ≥2.2μF capacitor to stabilize input common-mode point. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Gain Amplifier (PGA) | Selectable 0dB or 6dB gain (1.667VP-P or 2.5VP-P input range) - adapts full-scale to signal amplitude without external amplification. |
| Internal Clock Duty Cycle Stabilizer | Enables high AC performance across 40%–60% input clock duty cycles - eliminates need for external clock conditioning circuitry. |
| Optional Internal Dither | Reduces harmonic distortion and improves SFDR by >10dB at low input levels - enhances dynamic range for small-signal analysis. |
| Data Output Randomizer | Minimizes radiated emissions and deterministic pattern noise on parallel bus - aids EMC compliance in dense PCB layouts. |
| Separate Digital Output Supply (OVDD) | 0.5V–3.6V range allows direct interfacing with 1.8V, 2.5V, or 3.3V logic families - simplifies level-shifting in mixed-voltage systems. |
Applications
| Cellular Base Station Receivers | Spectrum Analyzers |
|---|---|
Use Scenario: Digitizing 70MHz IF signals from quadrature demodulators in LTE/FDD-TDD baseband processing. IC Role / Device Role / Timing Role: High-speed ADC capturing real-time I/Q data streams with minimal harmonic distortion and jitter-induced noise floor degradation. Use Value: 100dB SFDR at 70MHz preserves adjacent channel interference rejection; 380MHz bandwidth avoids anti-aliasing filter complexity. | Use Scenario: Capturing wide instantaneous bandwidths for real-time FFT-based spectral display and mask testing. IC Role / Device Role / Timing Role: Precision digitizer providing calibrated amplitude accuracy and low spurious content for trace fidelity. Use Value: ±4LSB INL ensures <0.01% amplitude error over full scale; 81.6dB SNR enables detection of signals 18dB below noise floor. |
| Automated Test Equipment (ATE) | Imaging Systems (Ultrasound/Phased Array) |
Use Scenario: High-repetition-rate stimulus-response measurement of RF components using vector signal analysis. IC Role / Device Role / Timing Role: Deterministic-latency (7-cycle) ADC enabling precise time-aligned capture relative to stimulus trigger. Use Value: 10Msps rate supports 100ns resolution per sample; OF flag enables real-time pass/fail decision on signal clipping. | Use Scenario: Digitizing echo return signals from piezoelectric transducers in medical ultrasound beamforming. IC Role / Device Role / Timing Role: Low-noise, wide-bandwidth ADC preserving time-of-flight resolution and dynamic contrast ratio. Use Value: 380MHz bandwidth captures harmonics beyond fundamental frequency; 16-bit resolution enables >96dB dynamic range for tissue differentiation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9240ASTZ-10 | 14-bit, 10Msps, 3.3V supply, no integrated PGA or dither; requires external reference and clock conditioning. | Lacks PGA front-end and internal dither - demands external gain stages and noise management circuitry for equivalent SFDR. | Choose when lower cost and proven legacy support outweigh need for on-chip signal conditioning. |
| LTC2201CUK#PBF | 16-bit, 40Msps, same pinout and feature set but higher speed; power dissipation 264mW vs 140mW. | Higher sampling rate enables wider instantaneous bandwidth capture but increases thermal load and layout sensitivity. | Choose when system requires >10Msps while retaining identical interface, PGA, and dither functionality. |
Compared with AD9240ASTZ-10, LTC2202CUK#PBF delivers 2-bit higher resolution and integrated signal conditioning, reducing BOM count and board area; versus LTC2201CUK#PBF, it trades speed for lower power and thermal margin - ideal for space-constrained, thermally sensitive instrumentation.
Availability
LTC2202CUK#PBF is available at Aetrix Electronics and suitable for cellular infrastructure, automated test equipment, and spectrum analysis requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for LTC2202CUK#PBF 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, Inc. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, communications, automotive, and healthcare markets.
The LTC2202CUK#PBF belongs to the Linear Technology high-speed ADC product line, designed specifically for demanding RF and instrumentation applications where dynamic range, low distortion, and deterministic timing are essential.
FAQ
What is the maximum analog input frequency supported by the LTC2202CUK#PBF?
The LTC2202CUK#PBF supports a full-power analog input bandwidth of 380MHz, meaning it can accurately digitize signals with frequency content up to 380MHz without significant amplitude roll-off. This specification is measured with Rs < 20Ω source impedance and applies to both differential input configurations (AIN+ and AIN–), making the LTC2202CUK#PBF suitable for direct RF sampling in IF receiver chains and wideband test equipment.
Does the LTC2202CUK#PBF require an external reference voltage?
No, the LTC2202CUK#PBF includes an internal 2.5V bandgap reference that is selected by tying the SENSE pin to VDD with ≤1kΩ. An external 1.25V or 2.5V reference may also be used via the SENSE pin to override the internal reference - both options configure the ADC for a 2.5V full-scale range when PGA = 0. The LTC2202CUK#PBF does not require external reference components for basic operation.
How does the PGA front end affect input range and noise performance in the LTC2202CUK#PBF?
The LTC2202CUK#PBF's PGA offers two gain settings: 0dB (2.5VP-P full-scale) and 6dB (1.667VP-P full-scale). At 6dB gain, the input referred noise remains constant, effectively improving SNR for smaller signals by amplifying them before quantization. However, full-scale headroom decreases proportionally - users must ensure input signal amplitude stays within the selected range to avoid clipping. This flexibility allows optimization of dynamic range for specific signal levels without external amplifiers.
What is the function of the OF (Out-of-Range) pin on the LTC2202CUK#PBF?
The OF pin on the LTC2202CUK#PBF is an active-high, clock-synchronized flag indicating when the analog input exceeds the selected full-scale range (either 1.667VP-P or 2.5VP-P). It asserts one clock cycle after overload occurs and deasserts one cycle after the input returns within range. This real-time saturation detection enables fast AGC response, fault logging, or automatic range switching in closed-loop systems using the LTC2202CUK#PBF.
Can the LTC2202CUK#PBF operate with a 1.8V digital supply (OVDD)?
Yes, the LTC2202CUK#PBF supports OVDD from 0.5V to 3.6V, including 1.8V. When OVDD = 1.8V, the CMOS output high-level voltage is guaranteed at 1.79V (IO = –200μA), and low-level voltage is 0.1V (IO = 1.6mA), ensuring compatibility with 1.8V logic families. This capability allows direct interfacing with low-voltage FPGAs or ASICs without level shifters, reducing system complexity and power consumption in portable or battery-powered instrumentation using the LTC2202CUK#PBF.
LTC2202CUK#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 10M
- 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:
- 3.135V ~ 3.465V
- Voltage - Supply, Digital:
- 3.135V ~ 3.465V
- Features:
- PGA
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 48-QFN (7x7)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2202CUK#PBF FAQ
1.How can I place an order for LTC2202CUK#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2202CUK#PBF 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 LTC2202CUK#PBF reliable?
The price and inventory of LTC2202CUK#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2202CUK#PBF is usually 5 days.
3.What payment methods are accepted for LTC2202CUK#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2202CUK#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2202CUK#PBF?
LTC2202CUK#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2202CUK#PBF 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 LTC2202CUK#PBF?
For technical support, including LTC2202CUK#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2202CUK#PBF requirements.
6.How does Aetrix verify that LTC2202CUK#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2202CUK#PBF 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 LTC2202CUK#PBF meets industry standards.
7.What is the process for return or replacement of LTC2202CUK#PBF?
All LTC2202CUK#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2202CUK#PBF, 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 LTC2202CUK#PBF part is unused and in its original packaging.
Return procedure for LTC2202CUK#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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