Datasheet LTC2430, LTC2431 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 20-Bit No Latency ∆Σ™ ADCs with Differential Input and Differential Reference |
| Seiten / Seite | 40 / 2 — ABSOLUTE AXI U RATI GS (Notes 1, 2). PACKAGE/ORDER I FOR ATIO. ELECTRICAL … |
| Dateiformat / Größe | PDF / 466 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE AXI U RATI GS (Notes 1, 2). PACKAGE/ORDER I FOR ATIO. ELECTRICAL CHARACTERISTICS The
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LTC2430/LTC2431
W W W U ABSOLUTE AXI U RATI GS (Notes 1, 2)
Supply Voltage (VCC) to GND...– 0.3V to 7V Digital Output Voltage to GND ... – 0.3V to (VCC + 0.3V) Analog Input Pins Voltage Operating Temperature Range to GND ... – 0.3V to (VCC + 0.3V) LTC2430C/LTC2431C .. 0°C to 70°C Reference Input Pins Voltage LTC2430I/LTC2431I ... – 40°C to 85°C to GND ... – 0.3V to (VCC + 0.3V) Storage Temperature Range ... – 65°C to 150°C Digital Input Voltage to GND .. – 0.3V to (VCC + 0.3V) Lead Temperature (Soldering, 10 sec).. 300°C
U W U PACKAGE/ORDER I FOR ATIO
TOP VIEW ORDER PART NUMBER ORDER PART NUMBER GND 1 16 GND LTC2430CGN LTC2431CMS V 2 15 CC GND LTC2430IGN TOP VIEW LTC2431IMS REF+ 3 14 FO V 1 CC 10 FO REF+ 2 9 SCK REF– 4 13 SCK REF – 3 8 SDO IN+ 5 12 SDO IN+ 4 7 CS IN – 5 6 GND IN– 6 11 CS GN PART MARKING MS PART MARKING MS PACKAGE GND 7 10 GND 10-LEAD PLASTIC MSOP GND 8 9 GND 2430 LTXD TJMAX = 125°C, θJA = 120°C/W 2430I LTXE GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 110°C/W Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL 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, – 0.5 • VREF ≤ VIN ≤ 0.5 • VREF (Note 5) ● 20 Bits Integral Nonlinearity 4.5V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6) 2 ppm of VREF 5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V (Note 6) ● 3 20 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6) 10 ppm of VREF Offset Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, ● 5 20 µV GND ≤ IN+ = IN– ≤ VCC (Note 14) Offset Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 50 nV/°C GND ≤ IN+ = IN– ≤ VCC Positive Full-Scale Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, ● 10 20 ppm of VREF IN+ = 0.75REF+, IN– = 0.25 • REF+ Positive Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 0.1 ppm of VREF/°C IN+ = 0.75REF+, IN– = 0.25 • REF+ Negative Full-Scale Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, ● 10 20 ppm of VREF IN+ = 0.25 • REF+, IN– = 0.75 • REF+ Negative Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 0.1 ppm of VREF/°C IN+ = 0.25 • REF+, IN– = 0.75 • REF+ Total Unadjusted Error 4.5V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V 3 ppm of VREF 5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V 6 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V 15 ppm of VREF Output Noise 5V ≤ VCC ≤ 5.5V, REF+ = 5V, VREF– = GND, 2.8 µVRMS GND ≤ IN– = IN+ ≤ 5V, (Note 13) 24301f 2
W W W U ABSOLUTE AXI U RATI GS (Notes 1, 2)
Supply Voltage (VCC) to GND...– 0.3V to 7V Digital Output Voltage to GND ... – 0.3V to (VCC + 0.3V) Analog Input Pins Voltage Operating Temperature Range to GND ... – 0.3V to (VCC + 0.3V) LTC2430C/LTC2431C .. 0°C to 70°C Reference Input Pins Voltage LTC2430I/LTC2431I ... – 40°C to 85°C to GND ... – 0.3V to (VCC + 0.3V) Storage Temperature Range ... – 65°C to 150°C Digital Input Voltage to GND .. – 0.3V to (VCC + 0.3V) Lead Temperature (Soldering, 10 sec).. 300°C
U W U PACKAGE/ORDER I FOR ATIO
TOP VIEW ORDER PART NUMBER ORDER PART NUMBER GND 1 16 GND LTC2430CGN LTC2431CMS V 2 15 CC GND LTC2430IGN TOP VIEW LTC2431IMS REF+ 3 14 FO V 1 CC 10 FO REF+ 2 9 SCK REF– 4 13 SCK REF – 3 8 SDO IN+ 5 12 SDO IN+ 4 7 CS IN – 5 6 GND IN– 6 11 CS GN PART MARKING MS PART MARKING MS PACKAGE GND 7 10 GND 10-LEAD PLASTIC MSOP GND 8 9 GND 2430 LTXD TJMAX = 125°C, θJA = 120°C/W 2430I LTXE GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 110°C/W Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL 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, – 0.5 • VREF ≤ VIN ≤ 0.5 • VREF (Note 5) ● 20 Bits Integral Nonlinearity 4.5V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6) 2 ppm of VREF 5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V (Note 6) ● 3 20 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6) 10 ppm of VREF Offset Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, ● 5 20 µV GND ≤ IN+ = IN– ≤ VCC (Note 14) Offset Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 50 nV/°C GND ≤ IN+ = IN– ≤ VCC Positive Full-Scale Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, ● 10 20 ppm of VREF IN+ = 0.75REF+, IN– = 0.25 • REF+ Positive Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 0.1 ppm of VREF/°C IN+ = 0.75REF+, IN– = 0.25 • REF+ Negative Full-Scale Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, ● 10 20 ppm of VREF IN+ = 0.25 • REF+, IN– = 0.75 • REF+ Negative Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 0.1 ppm of VREF/°C IN+ = 0.25 • REF+, IN– = 0.75 • REF+ Total Unadjusted Error 4.5V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V 3 ppm of VREF 5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V 6 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V 15 ppm of VREF Output Noise 5V ≤ VCC ≤ 5.5V, REF+ = 5V, VREF– = GND, 2.8 µVRMS GND ≤ IN– = IN+ ≤ 5V, (Note 13) 24301f 2