AD7655ASTZRL
Analog to Digital Converters (ADC)
Technical Specifications
| Type | Description |
|---|---|
| Quiescent Current (Iq) | - |
| Integral non - linearity | 6LSB |
| Voltage Reference | External |
| Clock/Oscillator | Built-in |
| Resolution(Bits) | 500kHz;16 |
| S/N Ratio | 86dB |
| DNL (LSB) | - |
| ADC architecture | SAR |
| Type | Description |
|---|---|
| Programmable Gain | Not supported |
| Operating Temp | -40°C ~ +85°C |
| Interface | Parallel port;SPI |
| Working Voltage V | 5 V |
| Channels | 4.0 |
| Maximum Clock Speed | - |
| Features | Simultaneous sampling;Multiplexers |
| Package / Case | LQFP-48 |
Product Introduction
The AD7655 is a low cost, simultaneous sampling, dual-channel, 16-bit, charge redistribution SAR, analog-to-digital converter that operates from a single 5 V power supply. It contains two low noise, wide bandwidth, track-and-hold amplifiers that allow simultaneous sampling, a high speed 16-bit sampling ADC, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports. Each track-and-hold has a multiplexer in front to provide a 4-channel input ADC. The A0 multiplexer control input allows the choice of simultaneously sampling input pairs INA1/INB1 (A0 = low) or INA2/INB2 (A0 = high). The part features a very high sampling rate mode (normal) and, for low power applications, a reduced power mode (impulse) where the power is scaled with the throughput. Operation is specified from -40°C to +85°C.
Features
- 4-channel, 16-bit resolution ADC
- 2 track-and-hold amplifiers
- Throughput 500 kSPS (normal mode) 444 kSPS (impulse mode)
- Analog input voltage range: 0 V to 5 V
- No pipeline delay
- Parallel and serial 5 V/3 V interface
- SPI/QSPI/MICROWIRE/DSP compatible
- Single 5 V supply operation
- Power dissipation 120 mW typical 2.6 mW at 10 kSPS
- Package 48-lead quad flat package (LQFP) 48-lead frame chip scale package (LFCSP)
- Pin-to-pin compatible with the AD7654
- Low cost
Applications
- - AC motor control - 3-phase power control - 4-channel data acquisition - Uninterrupted power supplies - Communications
Datasheet
Alternative Parts
Common AD7655ASTZRL alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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