Datasheet LTC2421, LTC2422 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 1-/2-Channel 20-Bit µPower No Latency ∆ΣTM ADCs in MSOP-10 |
| 页数 / 页 | 32 / 2 — ABSOLUTE MAXIMUM RATINGS (Notes 1, 2). PACKAGE/ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 381 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2). PACKAGE/ORDER INFORMATION. CONVERTER CHARACTERISTICS The
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LTC2421/LTC2422
W W W U ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
Supply Voltage (VCC) to GND...– 0.3V to 7V Operating Temperature Range Analog Input Voltage to GND ... – 0.3V to (VCC + 0.3V) LTC2421/LTC2422C .. 0°C to 70°C Reference Input Voltage to GND .. – 0.3V to (VCC + 0.3V) LTC2421/LTC2422I .. – 40°C to 85°C Digital Input Voltage to GND .. – 0.3V to (VCC + 0.3V) Storage Temperature Range ... – 65°C to 150°C Digital Output Voltage to GND ... – 0.3V to (VCC + 0.3V) Lead Temperature (Soldering, 10 sec).. 300°C
U W U PACKAGE/ORDER INFORMATION
ORDER PART NUMBER ORDER PART NUMBER TOP VIEW TOP VIEW V 1 CC 10 FO LTC2421CMS V LTC2422CMS CC 1 10 FO FS 2 SET 9 SCK LTC2421IMS FSSET 2 9 SCK V 3 8 SDO CH1 LTC2422IMS 3 8 SDO IN NC 4 7 CS CH0 4 7 CS ZS 5 6 GND ZS SET SET 5 6 GND MS10 PART MARKING MS10 PART MARKING MS10 PACKAGE MS10 PACKAGE 10-LEAD PLASTIC MSOP 10-LEAD PLASTIC MSOP LTUX LTUZ T T JMAX = 125°C, θJA = 130°C/W JMAX = 125°C, θJA = 130°C/W LTUY LTVA Consult factory for parts specified with wider operating temperature ranges.
U CONVERTER CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VREF = FSSET – ZSSET. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution ● 20 Bits No Missing Codes Resolution 0.1V ≤ FSSET ≤ VCC, ZSSET = 0V (Note 5) ● 20 Bits Integral Nonlinearity FSSET = 2.5V, ZSSET = 0V (Note 6) ● 4 10 ppm of VREF FSSET = 5V, ZSSET = 0V (Note 6) ● 8 20 ppm of VREF Offset Error 2.5V ≤ FSSET ≤ VCC, ZSSET = 0V ● 0.5 10 ppm of VREF Offset Error Drift 2.5V ≤ FSSET ≤ VCC, ZSSET = 0V 0.04 ppm of VREF/°C Full-Scale Error 2.5V ≤ FSSET ≤ VCC, ZSSET = 0V ● 4 10 ppm of VREF Full-Scale Error Drift 2.5V ≤ FSSET ≤ VCC, ZSSET = 0V 0.04 ppm of VREF/°C Total Unadjusted Error FSSET = 2.5V, ZSSET = 0V 8 ppm of VREF FSSET = 5V, ZSSET = 0V 16 ppm of VREF Output Noise VIN = 0V (Note 13) 6 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 FSSET = 2.5V, ZSSET = 0V, VIN = 0V 100 dB Power Supply Rejection, 60Hz ±2% FSSET = 2.5V, ZSSET = 0V, VIN = 0V, (Notes 7, 15) 110 dB Power Supply Rejection, 50Hz ±2% FSSET = 2.5V, ZSSET = 0V, VIN = 0V, (Notes 8, 15) 110 dB 24212f 2
W W W U ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
Supply Voltage (VCC) to GND...– 0.3V to 7V Operating Temperature Range Analog Input Voltage to GND ... – 0.3V to (VCC + 0.3V) LTC2421/LTC2422C .. 0°C to 70°C Reference Input Voltage to GND .. – 0.3V to (VCC + 0.3V) LTC2421/LTC2422I .. – 40°C to 85°C Digital Input Voltage to GND .. – 0.3V to (VCC + 0.3V) Storage Temperature Range ... – 65°C to 150°C Digital Output Voltage to GND ... – 0.3V to (VCC + 0.3V) Lead Temperature (Soldering, 10 sec).. 300°C
U W U PACKAGE/ORDER INFORMATION
ORDER PART NUMBER ORDER PART NUMBER TOP VIEW TOP VIEW V 1 CC 10 FO LTC2421CMS V LTC2422CMS CC 1 10 FO FS 2 SET 9 SCK LTC2421IMS FSSET 2 9 SCK V 3 8 SDO CH1 LTC2422IMS 3 8 SDO IN NC 4 7 CS CH0 4 7 CS ZS 5 6 GND ZS SET SET 5 6 GND MS10 PART MARKING MS10 PART MARKING MS10 PACKAGE MS10 PACKAGE 10-LEAD PLASTIC MSOP 10-LEAD PLASTIC MSOP LTUX LTUZ T T JMAX = 125°C, θJA = 130°C/W JMAX = 125°C, θJA = 130°C/W LTUY LTVA Consult factory for parts specified with wider operating temperature ranges.
U CONVERTER CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VREF = FSSET – ZSSET. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution ● 20 Bits No Missing Codes Resolution 0.1V ≤ FSSET ≤ VCC, ZSSET = 0V (Note 5) ● 20 Bits Integral Nonlinearity FSSET = 2.5V, ZSSET = 0V (Note 6) ● 4 10 ppm of VREF FSSET = 5V, ZSSET = 0V (Note 6) ● 8 20 ppm of VREF Offset Error 2.5V ≤ FSSET ≤ VCC, ZSSET = 0V ● 0.5 10 ppm of VREF Offset Error Drift 2.5V ≤ FSSET ≤ VCC, ZSSET = 0V 0.04 ppm of VREF/°C Full-Scale Error 2.5V ≤ FSSET ≤ VCC, ZSSET = 0V ● 4 10 ppm of VREF Full-Scale Error Drift 2.5V ≤ FSSET ≤ VCC, ZSSET = 0V 0.04 ppm of VREF/°C Total Unadjusted Error FSSET = 2.5V, ZSSET = 0V 8 ppm of VREF FSSET = 5V, ZSSET = 0V 16 ppm of VREF Output Noise VIN = 0V (Note 13) 6 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 FSSET = 2.5V, ZSSET = 0V, VIN = 0V 100 dB Power Supply Rejection, 60Hz ±2% FSSET = 2.5V, ZSSET = 0V, VIN = 0V, (Notes 7, 15) 110 dB Power Supply Rejection, 50Hz ±2% FSSET = 2.5V, ZSSET = 0V, VIN = 0V, (Notes 8, 15) 110 dB 24212f 2