16-Bit, High-Speed, Programmable Bipolar Input Ranges, SAR ADC, SGM51613H Replace ADS8681.
SGM51613H
SGM51613H.pdf
SGM51613H.pdfFEATURES
• 16 Bits ADC:
- SGM51613H: 800kSPS
- SGM51652H: 500kSPS
- SGM51622H: 250kSPS
• Supported Input Ranges:
- Bipolar Single-Ended Ranges: ±10.24V, ±5.12V,
and ±2.56V
- Unipolar Single-Ended Ranges: 0V to 10.24V
and 0V to 5.12V
- Bipolar Differential Ranges: ±10.24V, ±5.12V,
and ±2.56V
• Supply Voltage Ranges:
- Analog Supply: 5V
- I/O Supply: 1.65V to 5V
• On-Chip Reference: 4.096V
• Differential Nonlinearity (DNL):
- SGM51622H/SGM51652H:
-0.55LSB/+0.75LSB (TYP) for All Bipolar Ranges
-0.7LSB/+1.2LSB (TYP) for All Unipolar Range
- SGM51613H:
-0.6LSB/+0.75LSB (TYP) for All Bipolar Ranges
-0.7LSB/+1.4LSB (TYP) for All Unipolar Range
• Integral Nonlinearity (INL):
- SGM51622H/SGM51652H:
±1LSB (TYP) for All Bipolar Ranges
±1.5LSB (TYP) for All Unipolar Range
- SGM51613H:
±1.5LSB (TYP) for All Bipolar Ranges
±2LSB (TYP) for All Unipolar Range
• Signal-to-Noise Ratio (SNR):
- SGM51622H/SGM51652H: 91dB (TYP)
- SGM51613H: 90.5dB (TYP)
• Total Harmonic Distortion (THD):
- SGM51622H/SGM51652H: -104dB (TYP)
- SGM51613H: -100dB (TYP)
• Alarm Features
• Daisy-Chain Operation
• -40℃ to +125℃ Operating Temperature Range
• Available in Green TSSOP-16 and TQFN-4×4-16L
Packages
PIN CONFIGUTION
优势替代
FEATURES
• 16-bit ADC with integrated analog front-end
• High speed:
ADS8681: 1 MSPS
ADS8685: 500 kSPS
ADS8689: 100 kSPS
• Software programmable input ranges:
Bipolar ranges: ±12.288 V, ±10.24 V,
±6.144 V,±5.12 V, and ±2.56 V
Unipolar ranges: 0 V–12.288 V, 0 V–10.24
V, 0 V–6.144 V, and 0 V–5.12 V
• 5-V analog supply: 1.65-V to 5-V I/O supply
• Constant resistive input impedance ≥ 1 MΩ
• Input overvoltage protection: Up to ±20 V
• On-chip, 4.096-V reference with low drift
• Excellent performance:
DNL: ±0.4 LSB; INL: ±0.5 LSB
SNR: 92 dB; THD: –107 dB
• ALARM → high, low threshold
• multiSPI™ interface with daisy-chain
• Extended industrial temperature range:
40°C to +125°C
PIN CONFIGUTION
