| See Also: | | ADS7868 | The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent. Equivalent device higher sampling rate (200kSPS) | | TLC541 | The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent. Equivalent device at 40kSPS | | TLC542 | The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent. Equivalent device at 25kSPS | | - See All Related Products |
| Datasheet |  |  | 8-Bit Analog-to-Digital Converters With Serial Control And 11 Inputs (Rev. B) (tlc540.pdf, 512 KB)18 Jun 2001 Download |
| TLC1541  | TLC1542 | TLC1543 | TLC2543 | TLC540 | TLC541 | TLV1543 | TLV2543 | TLV2553 | TLV2556 | | Resolution(Bits) | 10 | 10 | 10 | 12 | 8 | 8 | 10 | 12 | 12 | 12 | | Sample Rate (max) | 32kSPS | 38kSPS | 38kSPS | 66kSPS | 75kSPS | 40kSPS | 38kSPS | 66kSPS | 200kSPS | 200kSPS | | Architecture | SAR | SAR | SAR | SAR | SAR | SAR | SAR | SAR | SAR | SAR | | Power Consumption(Typ)(mW) | 6 | 4 | 4 | 5 | 6 | 6 | 2.64 | 3.3 | 2.43 | 2.43 | | DNL(Max)(+/-LSB) | 1 | 0.5 | 1 | 1 | 0.5 | 0.5 | 1 | 1 | 1 | 1 | | INL(Max)(+/-LSB) | 1 | 0.5 | 1 | 1 | 0.5 | 0.5 | 1 | 1 | 1 | 1 | | Release Date | | | | | | | | | 04-OCT-2001 | 26-DEC-2001 | | No Missing Codes(Bits) | 10 | 10 | 10 | 12 | 8 | 8 | 10 | 12 | 12 | 12 | | No. of Supplies | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | | Analog Voltage AV/DD(Min)(V) | 4.75 | 4.5 | 4.5 | 4.5 | 4.75 | 4.75 | 3 | 3.3 | 2.7 | 2.7 | | Analog Voltage AV/DD(Max)(V) | 5.25 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 3.6 | 5.5 | 5.5 | | Logic Voltage DV/DD(Min)(V) | 4.75 | 4.5 | 4.5 | 4.5 | 4.75 | 4.5 | 3 | 3.3 | 2.7 | 2.7 | | Logic Voltage DV/DD(Max)(V) | 5.25 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 3.6 | 5.5 | 5.5 | | Input Configuration Range | Vref | Vref | Vref | Vref | Vref | Vref | Vref | Vref | Vref | Vref | | Reference Mode | Ext | Ext | Ext | Ext | Ext | Ext | Ext | Ext | Ext | Int and Ext | | Rating | Catalog | Military | Catalog | Catalog | Catalog | Military | Military | Catalog | Catalog | Catalog | | Pin/Package | 20PDIP,20PLCC,20SOIC | 20PDIP,20PLCC,20SOIC | 20PDIP,20PLCC,20SOIC,20SSOP | 20PDIP,20SOIC,20PLCC,20SSOP | 20PDIP,20PLCC,20SOIC | 20PDIP,20PLCC,20SO,20SOIC | 20PDIP,20PLCC,20SOIC,20SSOP | 20PDIP,20SOIC,20SSOP | 20SOIC,20TSSOP | 20SOIC,20TSSOP | | # Input Channels | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | | | Samples | Samples | Samples | Samples | Samples | Samples | Samples | Samples | Samples | Samples | | | Inventory | Inventory | Inventory | Inventory | Inventory | Inventory | Inventory | Inventory | Inventory | Inventory | |
 Features |
- 8-Bit Resolution A/D Converter
- Microprocessor Peripheral or Stand-Alone Operation
- On-Chip 12-Channel Analog Multiplexer
- Built-In Self-Test Mode
- Software-Controllable Sample and Hold
- Total Unadjusted Error ... ±0.5 LSB Max
- TLC541 Is Direct Replacement for Motorola MC145040 and National Semiconductor ADC0811. TLC540 Is Capable of Higher Speed
- Pinout and Control Signals Compatible With TLC1540 Family of 10-Bit A/D Converters
- CMOS Technology
| Description |
The TLC540 and TLC541 are CMOS A/ D converters built around an 8-bit switched-capacitor successive-approximation A/D converters. They are designed for serial interface to a microprocessor or peripheral via a 3-state output with up to four control inputs, including independent SYSTEM CLOCK, I/O CLOCK, chip select (CS\), and ADDRESS INPUT. A 4-MHz system clock for the TLC540 and a 2.1-MHz system clock for the TLC541 with a design that includes simultaneous read/write operation allow high-speed data transfers and sample rates of up to 75,180 samples per second for the TLC540 and 40,000 samples per second for the TLC541. In addition to the high-speed converter and versatile control logic, there is an on-chip 12-channel analog multiplexer that can be used to sample any one of 11 inputs or an internal self-test voltage, and a sample-and-hold that can operate automatically or under microprocessor control. The converters incorporated in the TLC540 and TLC541 feature differential high-impedance reference inputs that facilitate ratiometric conversion, scaling, and analog circuitry isolation from logic and supply noises. A switched-capacitor design allows low-error (±0.5 LSB) conversion in 9 us for the TLC540 and 17 us for the TLC541 over the full operating temperature range. The TLC540I and TLC541I are characterized for operation from �40°C to 85°C. The TLC541M is characterized for operation from �55°C to 125°C.
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