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The AD7654 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. APPLICATIONS AC motor control 3-phase power control 4-channel data acquisition Uninterrupted power supplies Communications
| logic_type | SAR |
| reach_svhc_compliance | No SVHC |
| mil_spec | No |
| power_dissipation | 135 mW |
| supply_voltage_dc | 2.70 V (min) |
| lead_free_status | Contains Lead |
| mounting_style | Surface Mount |
| packaging | Tray |
| case_package | LQFP |
| sample_rate | 500 kHz |
| supply_current | 15.5 mA |
| lifecycle_status | Active |
| input_impedance | 1.00 Ω |
| rohs_status | Compliant |
| pin_count | 48 |
| number_of_bits | 16 |
| resolution_bits | 16.0 |
| Resolution (Bits) | 16bit |
| Sampling Rate | 500kSPS |
| Supply Voltage Type | Single |
| Supply Voltage Min | 4.75V |
| Supply Voltage Max | 5.25V |
| ADC / DAC Case Style | LQFP |
| No. of Pins | 48Pins |
| Input Channel Type | Single Ended |
| Data Interface | Parallel, Serial |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Packaging | Each |
| Product Range | Quad 16-Bit SAR ADCs |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 3 - 168 hours |
| SVHC | No SVHC (07-Jul-2017) |
| A/D / D/A Features | DSP, MicroWire, QSPI, SPI |
| Base Number | 7654 |
| Conversion Time | 1.75µs |
| IC Case Style | QFP |
| IC Generic Number | 7654 |
| Linearity Error | 0.0053% |
| Linearity Error ADC / DAC + | 3.5LSB |
| Linearity Error ADC / DAC - | 3.5LSB |
| Logic Function Number | 7654 |
| No. of Bits | 16bit |
| No. of Channels | 2Channels |
| Operating Temperature Range | -40°C to +85°C |
| Power Dissipation Ptot Max | 120mW |
| Supply Current | 15.5mA |
| Supply Voltage Range | 4.75V to 5.25V |
| Supply Voltage Range - Analogue | 4.75V to 5.25V |
| Voltage Vcc | 5V |
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