产品概览
The AD7734BRUZ-REEL7 from Analog Devices is a 24-bit, 4-channel sigma-delta ADC with +/-10V true bipolar input range in a 28-pin TSSOP package. With 2kSPS output rate, 0.0015% INL, and on-chip PGAs with 6 gain settings, it provides precision measurement for industrial control and process monitoring.
主要规格
| Resolution | 24 bits |
| 渠道 | 4 (multiplexed, true bipolar) |
| Input Range | +/-10V, +/-5V, +/-2.5V, 0-10V (programmable) |
| Output Rate | 50SPS to 2kSPS (programmable) |
| INL | 0.0015% max |
| PGA Gains | 1, 2, 4, 8, 16, 32 |
| Interface | SPI (serial) |
| 电源电压 | 5V analog, 3.3V/5V digital |
| 电源 | 80mW typical |
| Operating Temp | -40 to +85 C |
| 包装 | TSSOP-28 |
特点
- 24-bit resolution with 0.0015% INL
- +/-10V true bipolar input without external dividers
- 4-channel multiplexer with on-chip PGA
- 6 programmable gain settings (1x to 32x)
- 2kSPS maximum output data rate
- Sinc4 and averaging digital filter options
应用
- Industrial process control (4-20mA loops)
- Weigh scale and strain gauge measurement
- Power metering (voltage monitoring)
- PLC analog input modules