AD7678
PRODUCTION18-Bit,100 kSPS PulSAR® A/D Converter
- Part Models
- 3
- 1ku List Price
- Starting From $30.31
Overview
- 18-bit resolution with no missing codes
- No pipeline delay (SAR architecture)
- Differential input range: ±VREF (VREF up to 5 V)
- Throughput: 100 kSPS
- INL: ±2.5 LSB max (±9.5 ppm of full scale)
- Dynamic range: 103 dB typ (VREF = 5 V)
- S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V)
- Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface
- SPI®/QSPI™/MICROWIRE™/DSP compatible
- On-board reference buffer
- Single 5 V supply operation
- Power dissipation: 18 mW @ 100 kSPS, 180 μW @ 1 kSPS
- 48-lead LQFP or 48-lead LFCSP package
- Pin-to-pin compatible upgrade of AD7674/AD7676/AD7679
The AD7678 is an 18-bit, 100 kSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates on a single 5 V power supply. The part contains a high speed 18-bit sampling ADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports.
The part is available in 48-lead LQFP or 48-lead LFCSP packages with operation specified from –40°C to +85°C.
Documentation
Data Sheet 1
Application Note 1
Technical Articles 1
Product Highlight 1
Product Highlight 1
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 |
|---|---|---|---|
| AD7678ACPZ | 48-Lead LFCSP (7mm x 7mm x 0.85mm w/ EP) | ||
| AD7678ASTZ | 48-Lead LQFP (7mm x 7mm) | ||
| AD7678ASTZRL | 48-Lead LQFP (7mm x 7mm) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jun 9, 2021 - 20_0126 Conversion of Select Sizes LFCSP Products from Punched to Sawn and Transfer of Assembly Site to ASE Korea |
||
| AD7678ACPZ | PRODUCTION | |
|
Sep 13, 2017 - 16_0077 CANCELLED: Conversion of Select 4x4, 5x5, 6x6 and 7x7mm LFCSP Package Outlines from Punch to Sawn and Transfer of Assembly Site to ASE Korea. |
||
| AD7678ACPZ | PRODUCTION | |
|
Feb 8, 2010 - 04_0080 Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland. |
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| AD7678ACPZ | PRODUCTION | |
| AD7678ASTZ | PRODUCTION | |
| AD7678ASTZRL | PRODUCTION | |
|
Jun 4, 2009 - 09_0096 AD7674, AD7678, AD7679 Datasheet Change |
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| AD7678ACPZ | PRODUCTION | |
| AD7678ASTZ | PRODUCTION | |
| AD7678ASTZRL | PRODUCTION | |
|
Oct 18, 2016 - 16_0034 Assembly Relocation of Select LQFP,LQFP_EP,MQFP,TQFP,TQFP_EP Products to Stats ChipPAC China Jiangyin |
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| AD7678ASTZ | PRODUCTION | |
| AD7678ASTZRL | PRODUCTION | |
|
Jan 5, 2009 - 07_0077 Certification of STATSChipPAC Shanghai, China and AMKOR Philippines as additional sources for Assembly & Test of QFP Packages |
||
| AD7678ASTZ | PRODUCTION | |
| AD7678ASTZRL | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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| Parts | Product Life Cycle | Description |
|---|---|---|
| AD7989-1 | PRODUCTION |
18-Bit, 100 kSPS PulSAR ADCs in MSOP/LFCSP |
Evaluation Kits
AD7678 Evaluation Kit