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Features
- 125 MSPS guaranteed sampling rate (AD9445BSV-125)
- 100 dB two-tone SFDR with 30 MHz and 31 MHz
- 73.5 dB SNR with 70 MHz input
- 85 dBc SFDR with 225 MHz input
- Excellent linearity
DNL = ±0.25 LSB typical
INL = ±0.8 LSB typical
- 2.3 W power dissipation
- 3.3 V and 5 V supply operation
- 2.0 VP-P to 3.2 VP-P differential full-scale input
- LVDS outputs (ANSI-644 compatible) or CMOS outputs
- Data format select (Offset Binary or 2’s compliment)
- Output clock available
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The AD9445 is a 14-bit monolithic, sampling analog-to-digital converter (ADC) with an on-chip, IF sampling track-and-hold circuit and is optimized for power, small size, and ease of use. The product operates at up to an 105 MSPS conversion rate and is optimized for multi-carrier, multimode receivers, such as those found in cellular infrastructure equipment.
The ADC requires 3.3 V and 5.0 V power supplies and a low voltage differential input clock for full performance operation. No external reference or driver components are required for many applications. Data outputs are LVDS-compatible (ANSI-644) or CMOS-compatible and include the means to reduce the overall current needed for short trace distances.
Optional features allow users to implement various selectable operating conditions, including data format select and output data mode.
The AD9445 is available in a 100-lead surface-mount plastic package (100-lead TQFP/EP) specified over the industrial temperature range (−40°C to +85°C).
PRODUCT HIGHLIGHTS
- High performance: Outstanding SFDR performance for multicarrier, multimode 3G and 4G cellular base station receivers.
- Ease of use: On-chip reference and track-and-hold. An output clock simplifies data capture.
- Packaged in a Pb-free, 100-lead TQFP/EP.
- Clock duty cycle stabilizer (DCS) maintains overall ADC performance over a wide range of clock pulse widths.
- OR (out-of-range) outputs indicate when the signal is beyond the selected input range.
APPLICATIONS
- Multi-carrier, multimode cellular receivers
- Antenna array positioning
- Power amplifier linearization
- Broadband wireless
- Radar, infrared imaging
- Medical Imaging
- Communications instrumentation
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AD9445
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Data Sheet 1
Application Note 16
AN-715: A First Approach to IBIS Models: What They Are and How They Are Generated (Rev.0)
AN-756: Sampled Systems and the Effects of Clock Phase Noise and Jitter (Rev.0)
AN-807: Multicarrier WCDMA Feasibility (Rev.0)
AN-808: Multicarrier CDMA2000 Feasibility (Rev.0)
AN-345: Grounding for Low-and-High-Frequency Circuits
AN-282: Fundamentals of Sampled Data Systems
AN-737: How ADIsimADC Models an ADC (Rev.B)
AN-586: LVDS Outputs for High Speed A/D Converters (Rev.0)
AN-741: Little Known Characteristics of Phase Noise (Rev.0)
AN-501: Aperture Uncertainty and ADC System Performance (Rev.A)
AN-1408: Using the AD8376 VGA to Drive Wide Bandwidth ADCs for High IF AC-Coupled Applications (Rev.B)
AN-1204: Using the ADL5562 Differential Amplifier to Drive Wide Bandwidth ADCs for High IF AC-Coupled Applications
AN-905: VisualAnalog™ Converter Evaluation Tool Version 1.0 User Manual
AN-835: Understanding High Speed ADC Testing and Evaluation
AN-1142: Techniques for High Speed ADC PCB Layout
AN-935: Designing an ADC Transformer-Coupled Front End
Technical Articles 1
Rarely Asked Question Page 1
Analog Dialogue 5
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| AD9445BSVZ-105 |
100-Lead TQFP (14mm x 14mm)
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| AD9445BSVZ-125 |
100-Lead TQFP (14mm x 14mm)
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- AD9445BSVZ-105
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100-Lead TQFP (14mm x 14mm)
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- AD9445BSVZ-125
- Pin/Package Drawing
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100-Lead TQFP (14mm x 14mm)
- Documentation
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HTML
Material Declaration
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HTML
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- CAD Symbols, Footprints, and 3D Models
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SamacSys
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Product Lifecycle
PCN
Mar 15, 2016
- 14_0258
Assembly Transfer of Selected 14x14 LQFP, 14x14 LQFP_EP and 7x7,10x10,12x12,14x14 TQFP_EP Products to Amkor Philippines
AD9445BSVZ-105
AD9445BSVZ-125
Jun 16, 2009
- 09_0027
Conversion to Laser Mark for the LQFP Packages (Single Grades)
AD9445BSVZ-105
AD9445BSVZ-125
Filter by Model
Part Models
Product Lifecycle
PCN
Mar 15, 2016
- 14_0258
Assembly Transfer of Selected 14x14 LQFP, 14x14 LQFP_EP and 7x7,10x10,12x12,14x14 TQFP_EP Products to Amkor Philippines
AD9445BSVZ-105
AD9445BSVZ-125
Jun 16, 2009
- 09_0027
Conversion to Laser Mark for the LQFP Packages (Single Grades)
Tools & Simulations 4
Virtual Eval - BETA
IBIS Model 1
IBIS Model
Visual Analog
MathWorks® 1
