Datasheet LTC2420 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 20-Bit µPower No Latency ∆Σ™ ADC in SO-8 |
| 页数 / 页 | 36 / 2 — ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. (Notes 1, 2). … |
| 文件格式/大小 | PDF / 405 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. (Notes 1, 2). CONVERTER CHARACTERISTICS The
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文件文字版本
LTC2420
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION (Notes 1, 2)
TOP VIEW ORDER PART NUMBER Supply Voltage (VCC) to GND...–0.3V to 7V Analog Input Voltage to GND ... – 0.3V to (VCC + 0.3V) V 1 8 F CC O LTC2420CS8 Reference Input Voltage to GND .. – 0.3V to (VCC + 0.3V) V 2 7 SCK REF LTC2420IS8 Digital Input Voltage to GND .. – 0.3V to (VCC + 0.3V) VIN 3 6 SDO Digital Output Voltage to GND ... – 0.3V to (VCC + 0.3V) GND 4 5 CS S8 PART MARKING Operating Temperature Range S8 PACKAGE LTC2420C ... 0°C to 70°C 8-LEAD PLASTIC SO 2420 LTC2420I .. – 40°C to 85°C TJMAX = 125°C, θJA = 130°C/W 2420I Storage Temperature Range ... – 65°C to 150°C Consult factory for Military grade parts. Lead Temperature (Soldering, 10 sec).. 300°C
U CONVERTER CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1V ≤ VREF ≤ VCC, (Note 5) ● 20 Bits Integral Nonlinearity VREF = 2.5V (Note 6) ● 4 10 ppm of VREF VREF = 5V (Note 6) ● 8 20 ppm of VREF Integral Nonlinearity (Fast Mode) VREF = 5V, VREF = 2.5V, 100 Samples/Second, fO = 2.048MHz ● 40 250 ppm of VREF Offset Error 2.5V ≤ VREF ≤ VCC ● 0.5 10 ppm of VREF Offset Error (Fast Mode) 2.5V < VREF < 5V, 100 Samples/Second, fO = 2.048MHz 3 ppm of VREF Offset Error Drift 2.5V ≤ VREF ≤ VCC 0.04 ppm of VREF/°C Full-Scale Error 2.5V ≤ VREF ≤ VCC ● 4 10 ppm of VREF Full-Scale Error (Fast Mode) 2.5V < VREF < 5V, 100 Samples/Second, fO = 2.048MHz 10 ppm of VREF Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC 0.04 ppm of VREF/°C Total Unadjusted Error VREF = 2.5V 8 ppm of VREF VREF = 5V 16 ppm of VREF Output Noise VIN = 0V (Note 13) 6 µVRMS Output Noise (Fast Mode) VREF = 5V, 100 Samples/Second, fO = 2.048MHz 20 µVRMS Normal Mode Rejection 60Hz ±2% (Note 7) ● 110 130 dB Normal Mode Rejection 50Hz ±2% (Note 8) ● 110 130 dB Power Supply Rejection, DC VREF = 2.5V, VIN = 0V 100 dB Power Supply Rejection, 60Hz ±2% VREF = 2.5V, VIN = 0V, (Notes 7, 15) 110 dB Power Supply Rejection, 50Hz ±2% VREF = 2.5V, VIN = 0V, (Notes 8, 15) 110 dB 2
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION (Notes 1, 2)
TOP VIEW ORDER PART NUMBER Supply Voltage (VCC) to GND...–0.3V to 7V Analog Input Voltage to GND ... – 0.3V to (VCC + 0.3V) V 1 8 F CC O LTC2420CS8 Reference Input Voltage to GND .. – 0.3V to (VCC + 0.3V) V 2 7 SCK REF LTC2420IS8 Digital Input Voltage to GND .. – 0.3V to (VCC + 0.3V) VIN 3 6 SDO Digital Output Voltage to GND ... – 0.3V to (VCC + 0.3V) GND 4 5 CS S8 PART MARKING Operating Temperature Range S8 PACKAGE LTC2420C ... 0°C to 70°C 8-LEAD PLASTIC SO 2420 LTC2420I .. – 40°C to 85°C TJMAX = 125°C, θJA = 130°C/W 2420I Storage Temperature Range ... – 65°C to 150°C Consult factory for Military grade parts. Lead Temperature (Soldering, 10 sec).. 300°C
U CONVERTER CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1V ≤ VREF ≤ VCC, (Note 5) ● 20 Bits Integral Nonlinearity VREF = 2.5V (Note 6) ● 4 10 ppm of VREF VREF = 5V (Note 6) ● 8 20 ppm of VREF Integral Nonlinearity (Fast Mode) VREF = 5V, VREF = 2.5V, 100 Samples/Second, fO = 2.048MHz ● 40 250 ppm of VREF Offset Error 2.5V ≤ VREF ≤ VCC ● 0.5 10 ppm of VREF Offset Error (Fast Mode) 2.5V < VREF < 5V, 100 Samples/Second, fO = 2.048MHz 3 ppm of VREF Offset Error Drift 2.5V ≤ VREF ≤ VCC 0.04 ppm of VREF/°C Full-Scale Error 2.5V ≤ VREF ≤ VCC ● 4 10 ppm of VREF Full-Scale Error (Fast Mode) 2.5V < VREF < 5V, 100 Samples/Second, fO = 2.048MHz 10 ppm of VREF Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC 0.04 ppm of VREF/°C Total Unadjusted Error VREF = 2.5V 8 ppm of VREF VREF = 5V 16 ppm of VREF Output Noise VIN = 0V (Note 13) 6 µVRMS Output Noise (Fast Mode) VREF = 5V, 100 Samples/Second, fO = 2.048MHz 20 µVRMS Normal Mode Rejection 60Hz ±2% (Note 7) ● 110 130 dB Normal Mode Rejection 50Hz ±2% (Note 8) ● 110 130 dB Power Supply Rejection, DC VREF = 2.5V, VIN = 0V 100 dB Power Supply Rejection, 60Hz ±2% VREF = 2.5V, VIN = 0V, (Notes 7, 15) 110 dB Power Supply Rejection, 50Hz ±2% VREF = 2.5V, VIN = 0V, (Notes 8, 15) 110 dB 2