DocumentationDatasheet
Design Note
Reliability Data
Product Selector Card
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Features
- Single 5V Supply
- Bipolar Input Range: ±10V
- Power Dissipation: 55mW Typ
- Guaranteed No Missing Codes
- Sample Rate: 100ksps
- Integral Nonlinearity: ±2.0LSB Max
- Signal-to-Noise Ratio: 86dB Typ
- Operates with Internal or External Reference
- Internal Synchronized Clock
- Improved 2nd Source to ADS7805 and AD976
- 28-Pin 0.3” PDIP, SSOP and SW Packages
Typical Application
Description
The LTC1605 is a 100ksps, sampling 16-bit A/D converter that draws only 55mW (typical) from a single 5V supply. This easy-to-use device includes sample-andhold, precision reference, switched capacitor successive approximation A/D and trimmed internal clock.
The LTC1605’s input range is an industry standard ±10V. Maximum DC specs include ±2.0LSB INL and 16-bits no missing codes over temperature. An external reference can be used if greater accuracy over temperature is needed.
The ADC has a microprocessor compatible, 16-bit or two byte parallel output port. A convert start input and a data ready signal (BUSY) ease connections to FIFOs, DSPs and microprocessors.
| Input Voltage Range |
|
| LTC1605 | Bipolar ±10V |
| LTC1605-1 | Unipolar 0V to 4V |
| LTC1605-2 | Bipolar ±4V |
SSOP-28,SW-28
Package Variations and Pricing
| Part Number | Package | Pins | Temp | Price (1-99) |
Price (1k)* |
|---|---|---|---|---|---|
| LTC1605-1CG#PBF | SSOP | 28 | C | $20.80 | $17.40 |
| LTC1605-1CG#TRPBF | SSOP | 28 | C | $17.50 | |
| LTC1605-1IG#PBF | SSOP | 28 | I | $22.25 | $18.40 |
| LTC1605-1IG#TRPBF | SSOP | 28 | I | $18.50 | |
| LTC1605-2CG#PBF | SSOP | 28 | C | $20.80 | $17.40 |
| LTC1605-2CG#TRPBF | SSOP | 28 | C | $17.50 | |
| LTC1605-2IG#PBF | SSOP | 28 | I | $22.25 | $18.40 |
| LTC1605-2IG#TRPBF | SSOP | 28 | I | $18.50 | |
| LTC1605ACG#PBF | SSOP | 28 | C | $28.35 | $23.40 |
| LTC1605ACG#TRPBF | SSOP | 28 | C | $23.50 | |
| LTC1605ACSW#PBF | SO | 28 | C | $27.90 | $23.00 |
| LTC1605ACSW#TRPBF | SO | 28 | C | $23.10 | |
| LTC1605AIG#PBF | SSOP | 28 | I | $29.15 | $24.00 |
| LTC1605AIG#TRPBF | SSOP | 28 | I | $24.10 | |
| LTC1605AISW#PBF | SO | 28 | I | $29.15 | $24.00 |
| LTC1605AISW#TRPBF | SO | 28 | I | $24.10 | |
| LTC1605CG#PBF | SSOP | 28 | C | $20.80 | $17.40 |
| LTC1605CG#TRPBF | SSOP | 28 | C | $17.50 | |
| LTC1605CSW#PBF | SO | 28 | C | $20.65 | $17.00 |
| LTC1605CSW#TRPBF | SO | 28 | C | $17.10 | |
| LTC1605IG#PBF | SSOP | 28 | I | $22.25 | $18.40 |
| LTC1605IG#TRPBF | SSOP | 28 | I | $18.50 | |
| LTC1605ISW#PBF | SO | 28 | I | $21.85 | $18.00 |
| LTC1605ISW#TRPBF | SO | 28 | I | $18.10 | |
| LTC1605-1CG | SSOP | 28 | C | $41.60 | $34.80 |
| LTC1605-1CG#TR | SSOP | 28 | C | $35.00 | |
| LTC1605-1IG | SSOP | 28 | I | $44.50 | $36.80 |
| LTC1605-1IG#TR | SSOP | 28 | I | $37.00 | |
| LTC1605-2CG | SSOP | 28 | C | $41.60 | $34.80 |
| LTC1605-2CG#TR | SSOP | 28 | C | $35.00 | |
| LTC1605-2IG | SSOP | 28 | I | $44.50 | $36.80 |
| LTC1605-2IG#TR | SSOP | 28 | I | $37.00 | |
| LTC1605ACG | SSOP | 28 | C | $56.70 | $46.80 |
| LTC1605ACG#TR | SSOP | 28 | C | $47.00 | |
| LTC1605ACSW | SO | 28 | C | $55.80 | $46.00 |
| LTC1605ACSW#TR | SO | 28 | C | $46.20 | |
| LTC1605AIG | SSOP | 28 | I | $58.30 | $48.00 |
| LTC1605AIG#TR | SSOP | 28 | I | $48.20 | |
| LTC1605AISW | SO | 28 | I | $58.30 | $48.00 |
| LTC1605AISW#TR | SO | 28 | I | $48.20 | |
| LTC1605CG | SSOP | 28 | C | $41.60 | $34.80 |
| LTC1605CG#TR | SSOP | 28 | C | $35.00 | |
| LTC1605CSW | SO | 28 | C | $41.30 | $34.00 |
| LTC1605CSW#TR | SO | 28 | C | $34.20 | |
| LTC1605IG | SSOP | 28 | I | $44.50 | $36.80 |
| LTC1605IG#TR | SSOP | 28 | I | $37.00 |
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 |
|---|---|---|---|
| DC1255A-A | LTC1605ACG Demoboard | 16-Bit, 100ksps ADC (requires DC718 controller) | $100.00 |
Companion Boards
| Part Number | Description | Price | Documentation |
|---|---|---|---|
| DC718C | USB Data Acquisition Controller, for PScope Evaluation Kits (<135Mbps) | $300.00 |