| ADS7842 | |
| Resolution(Bits) | 12 |
| Sample Rate (max) | 200kSPS |
| Architecture | SAR |
| Power Consumption(Typ)(mW) | 0.84 |
| SINAD(dB) | 72 |
| SNR(dB) | 72 |
| SFDR(dB) | 78 |
| DNL(Max)(+/-LSB) | 1 |
| INL(Max)(+/-LSB) | 1 |
| No Missing Codes(Bits) | 12 |
| No. of Supplies | 1 |
| Analog Voltage AV/DD(Min)(V) | 2.7 |
| Analog Voltage AV/DD(Max)(V) | 5.25 |
| Logic Voltage DV/DD(Min)(V) | 2.7 |
| Logic Voltage DV/DD(Max)(V) | 5.25 |
| Input Configuration Range | Vref |
| Reference Mode | Ext |
| Rating | Catalog |
| Pin/Package | 20SSOP, 20SSOP/QSOP |
| # Input Channels | 8 |
| Operating Temperature Range(°C) | -40 to 85 |
The ADS7842 is a complete, 4-channel, 12-bit Analog-to-Digital Converter (ADC). It contains a 12-bit, capacitorbased, Successive Approximation Register (SAR) ADC with a sample-and-hold amplifier, interface for microprocessor use, and parallel, 3-state output drivers. The ADS7842 is specified at a 200kHz sampling rate while dissipating only 2mW of power. The reference voltage can be varied from 100mV to VCC with a corresponding LSB resolution from 24uV to 1.22mV. The ADS7842 is tested down to 2.7V operation.
Low power, high speed, and an onboard multiplexer make the ADS7842 ideal for battery-operated systems such as portable, multi-channel dataloggers and measurement equipment. The ADS7842 is available in an SSOP-28 package and is tested over the -40°C to +85°C temperature range.
| 器件 | 状态 | 温度 (oC) | 价格（美元） | 封装 | 引脚 |
| ADS7842E | ACTIVE | -40 to 85 | 3.65 | 1ku | SSOP (DB) | 28 |
| ADS7842E/1K | ACTIVE | 3.30 | 1ku | SSOP (DB) | 28 | |
| ADS7842E/1KG4 | ACTIVE | 3.30 | 1ku | SSOP (DB) | 28 | |
| ADS7842EB | ACTIVE | 4.30 | 1ku | SSOP (DB) | 28 | |
| ADS7842EB/1K | ACTIVE | 3.95 | 1ku | SSOP (DB) | 28 | |
| ADS7842EB/1KG4 | ACTIVE | 3.95 | 1ku | SSOP (DB) | 28 | |
| ADS7842EBG4 | ACTIVE | 4.30 | 1ku | SSOP (DB) | 28 | |
| ADS7842EG4 | ACTIVE | -40 to 85 | 3.65 | 1ku | SSOP (DB) | 28 |