AS6501: 2 Channel Time to Digital Converter (TDC)
The AS6501 is a two-channel time-to-digital converter that is ideal for high speed measurement tasks like range finders and medical imaging.
The AS6501 features high speed LVDS interfaces for Start and Stop signals and LVDS measurement outputs. It can be used to measure the time-of-flight of optical signals to a precision of 20ps per channel, or 10ps in dual-channel high-resolution mode with up to 70 Msamples/s and unlimited measurement range.
Products
Features
- 2 stop channels with serial 20 ns pulse-to-pulse spacing and maximum 35 MSPS
- 1 combined channel with 5 ns pulse-to-pulse spacing and maximum 70 MSPS
- Single shot accuracy 20 ps rms single shot resolution per channel or 10 ps rms with high resolution option
- Unlimited measuring range 0 s to 16 s
- Differential reference clock input 2 MHz to 12.5 MHz
- Inputs optional with LVDS (or CMOS level)
- LVDS serial output per channel
- 16-stage FIFO per channel
- Automatic calibration to reference clock (no PLL or DLL)
- SPI compatible 4-wire interface for configuration
- Supply voltage 3.3V
- Power dissapation 60 mW to 260 mW
- Standby current 60 μA
- QFP48 package (7 mm x 7 mm)
Additional Information:
Documentation & Downloads
Datasheet
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DescriptionDatasheet TDC-GP22 Eval System: |
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DescriptionDatasheet TDC-GP22: |
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DescriptionDatasheet TDC-GP21 Eval System: |
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DescriptionDatasheet TDC-GP21: |
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DescriptionDatasheet TDC-GPX: |
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DescriptionDatasheet TDC-GPX2 Eval System: |
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DescriptionDatasheet TDC-GPX: |
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Application Notes
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Software
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DescriptionSoftware TDC-GPX2: |
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DescriptionSoftware TDC-GP22: |
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PCN/PDN (Product Change / Discontinuation Notes)
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Datasheet
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DescriptionDatasheet TDC-GP22 Eval System: |
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DescriptionDatasheet TDC-GP22: |
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DescriptionDatasheet TDC-GP21 Eval System: |
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DescriptionDatasheet TDC-GP21: |
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DescriptionDatasheet TDC-GPX: |
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DescriptionDatasheet TDC-GPX2 Eval System: |
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DescriptionDatasheet TDC-GPX: |
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Application Notes
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DescriptionApplication Note 027: |
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DescriptionApplication Note 024: |
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Software
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DescriptionSoftware TDC-GPX2: |
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DescriptionSoftware TDC-GP22: |
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PCN/PDN (Product Change / Discontinuation Notes)
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Ordering Numbers
| Type | Part number | Package | RoHS compl. | Shipping package |
|---|---|---|---|---|
| TDC-GP22: | ||||
| TDC-GP22 | MNR 1949 | QFN32 | Yes | Tray |
| TDC-GP22 | MNR 1950 | QFN32 | Yes | Tape & Reel (5k) |
| GP22-EVA-KIT | MNR 1951 | System | Yes | Box |
| GP22-DEMO-KIT | MNR 1979 | System | Yes | Box |
| TDC-GP21: | ||||
| TDC-GP21 | MNR 1839 | QFN32 | Yes | Tray |
| TDC-GP21 | MNR 1720 | QFN32 | Yes | Tape & Reel (3K/5K) |
| GP21-EVA-KIT | MNR 1781 | System | Yes | Box |
| TDC-GP2: | ||||
| TDC-GP2 | MNR 1058 | QFN32 | Yes | Tray |
| TDC-GP2 | MNR 1480 | QFN32 | Yes | Tape & Reel (2k) |
| TDC-GP1: | ||||
| TDC-GP1 | MNR 278 | TQFP44 | Yes | Tray |
| TDC-GPX: | ||||
| TDC-GPX | MNR 975 | TQFP100 | Yes | Tray |
| TDC-GPX-FG | MNR 1089 | TFBGA120 | Yes | Tray |
