DocumentationDatasheet
Design Note
- DN294 - 250ksps, 16-Bit Micropower ADC Offers an Excellent Combination of SIze, Power and Speed
- DN308 - 100MHz Op Amp Features Low Noise Rail-to-Rail Performance While Consuming Only 2.5mA
Reliability Data
Product Selector Card
LT Journal
- Aug 2002 Use a Single Input to Acquire Two Similar Signals Simultaneously and Other AC Techniques for the LTC1864
- Mar 2002 250ksps 16-Bit ADC in a Tiny MSOP Package Offers an Excellent Combination of Speed, Power and Size
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Linduino
Features
- 16-Bit 250ksps ADCs in MSOP Package
- Single 5V Supply
- Low Supply Current: 850µA (Typ)
- Auto Shutdown Reduces Supply Current to 2µA at 1ksps
- True Differential Inputs
- 1-Channel (LTC1864) or 2-Channel (LTC1865) Versions
- SPI/MICROWIRE™ Compatible Serial I/O
- 16-Bit Upgrade to 12-Bit LTC1286/LTC1298
- Pin Compatible with 12-Bit LTC1860/LTC1861
- Guaranteed Operation to +125°C (MSOP Package)
Typical Application
Description
The LTC1864/LTC1865 are 16-bit A/D converters that are offered in MSOP and SO-8 packages and operate on a single 5V supply. At 250ksps, the supply current is only 850µA. The supply current drops at lower speeds because the LTC1864/LTC1865 automatically power down between conversions. These 16-bit switched capacitor successive approximation ADCs include sample-and-holds. The LTC1864 has a differential analog input with an adjustable reference pin. The LTC1865 offers a software-selectable 2-channel MUX and an adjustable reference pin on the MSOP version.
The 3-wire, serial I/O, small MSOP or SO-8 package and extremely high sample rate-to-power ratio make these ADCs ideal choices for compact, low power, high speed systems.
These ADCs can be used in ratiometric applications or with external references. The high impedance analog inputs and the ability to operate with reduced spans down to 1V full scale, allow direct connection to signal sources in many applications, eliminating the need for external gain stages.
MS-8,SO-8
Package Variations and Pricing
| Part Number | Package | Pins | Temp | Price (1-99) |
Price (1k)* |
|---|---|---|---|---|---|
| LTC1864ACMS8#PBF | MSOP | 8 | C | $9.20 | $7.20 |
| LTC1864ACMS8#TRPBF | MSOP | 8 | C | $7.26 | |
| LTC1864ACS8#PBF | SO | 8 | C | $8.85 | $6.90 |
| LTC1864ACS8#TRPBF | SO | 8 | C | $6.96 | |
| LTC1864AHMS8#PBF | MSOP | 8 | H | $14.73 | $8.25 |
| LTC1864AHMS8#TRPBF | MSOP | 8 | H | $8.31 | |
| LTC1864AIMS8#PBF | MSOP | 8 | I | $9.60 | $7.50 |
| LTC1864AIMS8#TRPBF | MSOP | 8 | I | $7.56 | |
| LTC1864AIS8#PBF | SO | 8 | I | $9.20 | $7.20 |
| LTC1864AIS8#TRPBF | SO | 8 | I | $7.26 | |
| LTC1864CMS8#PBF | MSOP | 8 | C | $7.90 | $6.20 |
| LTC1864CMS8#TRPBF | MSOP | 8 | C | $6.26 | |
| LTC1864CS8#PBF | SO | 8 | C | $7.60 | $5.95 |
| LTC1864CS8#TRPBF | SO | 8 | C | $6.01 | |
| LTC1864HMS8#PBF | MSOP | 8 | H | $12.77 | $7.15 |
| LTC1864HMS8#TRPBF | MSOP | 8 | H | $7.21 | |
| LTC1864IMS8#PBF | MSOP | 8 | I | $8.30 | $6.50 |
| LTC1864IMS8#TRPBF | MSOP | 8 | I | $6.56 | |
| LTC1864IS8#PBF | SO | 8 | I | $7.90 | $6.20 |
| LTC1864IS8#TRPBF | SO | 8 | I | $6.26 | |
| LTC1864LACMS8#PBF | MSOP | 8 | C | $8.65 | $6.90 |
| LTC1864LACMS8#TRPBF | MSOP | 8 | C | $6.96 | |
| LTC1864LACS8#PBF | SO | 8 | C | $8.65 | $6.90 |
| LTC1864LACS8#TRPBF | SO | 8 | C | $6.96 | |
| LTC1864LAIMS8#PBF | MSOP | 8 | I | $9.00 | $7.20 |
| LTC1864LAIMS8#TRPBF | MSOP | 8 | I | $7.26 | |
| LTC1864LAIS8#PBF | SO | 8 | I | $9.00 | $7.20 |
| LTC1864LAIS8#TRPBF | SO | 8 | I | $7.26 | |
| LTC1864LCMS8#PBF | MSOP | 8 | C | $7.40 | $5.95 |
| LTC1864LCMS8#TRPBF | MSOP | 8 | C | $6.01 | |
| LTC1864LCS8#PBF | SO | 8 | C | $7.40 | $5.95 |
| LTC1864LCS8#TRPBF | SO | 8 | C | $6.01 | |
| LTC1864LIMS8#PBF | MSOP | 8 | I | $7.70 | $6.15 |
| LTC1864LIMS8#TRPBF | MSOP | 8 | I | $6.21 | |
| LTC1864LIS8#PBF | SO | 8 | I | $7.70 | $6.15 |
| LTC1864LIS8#TRPBF | SO | 8 | I | $6.21 | |
| LTC1864AIMS8 | MSOP | 8 | I | $19.20 | $15.00 |
| LTC1864AIMS8#TR | MSOP | 8 | I | $15.12 | |
| LTC1864ACMS8 | MSOP | 8 | C | $18.40 | $14.40 |
| LTC1864ACMS8#TR | MSOP | 8 | C | $14.52 | |
| LTC1864IMS8 | MSOP | 8 | I | $16.60 | $13.00 |
| LTC1864IMS8#TR | MSOP | 8 | I | $13.12 | |
| LTC1864CMS8 | MSOP | 8 | C | $15.80 | $12.40 |
| LTC1864CMS8#TR | MSOP | 8 | C | $12.52 | |
| LTC1864AIS8 | SO | 8 | I | $18.40 | $14.40 |
| LTC1864AIS8#TR | SO | 8 | I | $14.52 | |
| LTC1864ACS8 | SO | 8 | C | $17.70 | $13.80 |
| LTC1864ACS8#TR | SO | 8 | C | $13.92 | |
| LTC1864IS8 | SO | 8 | I | $15.80 | $12.40 |
| LTC1864IS8#TR | SO | 8 | I | $12.52 | |
| LTC1864CS8 | SO | 8 | C | $15.20 | $11.90 |
| LTC1864CS8#TR | SO | 8 | C | $12.02 | |
| LTC1864LACMS8 | MSOP | 8 | C | $17.30 | $13.80 |
| LTC1864LACMS8#TR | MSOP | 8 | C | $13.92 | |
| LTC1864LAIMS8 | MSOP | 8 | I | $18.00 | $14.40 |
| LTC1864LAIMS8#TR | MSOP | 8 | I | $14.52 | |
| LTC1864LCMS8 | MSOP | 8 | C | $14.80 | $11.90 |
| LTC1864LCMS8#TR | MSOP | 8 | C | $12.02 | |
| LTC1864LIMS8 | MSOP | 8 | I | $15.40 | $12.30 |
| LTC1864LIMS8#TR | MSOP | 8 | I | $12.42 | |
| LTC1864LACS8 | SO | 8 | C | $17.30 | $13.80 |
| LTC1864LACS8#TR | SO | 8 | C | $13.92 | |
| LTC1864LAIS8 | SO | 8 | I | $18.00 | $14.40 |
| LTC1864LAIS8#TR | SO | 8 | I | $14.52 | |
| LTC1864LCS8 | SO | 8 | C | $14.80 | $11.90 |
| LTC1864LCS8#TR | SO | 8 | C | $12.02 | |
| LTC1864LIS8 | SO | 8 | I | $15.40 | $12.30 |
| LTC1864LIS8#TR | SO | 8 | I | $12.42 |
Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.
| Part Number | Description | Price | Documentation |
|---|---|---|---|
| DC416A | LTC1864CMS8 | 16-Bit, 250ksps, 5.0V ADC with Serial Interface and Differential Input in MS-8 Package (requires DC718 controller) | $150.00 |
Companion Boards
| Part Number | Description | Price | Documentation |
|---|---|---|---|
| DC718C | USB Data Acquisition Controller, for PScope Evaluation Kits (<135Mbps) | $300.00 |