Datasheet LTC1420 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 12-Bit, 10Msps, Sampling ADC |
| Pages / Page | 20 / 2 — ABSOLUTE AXI U. RATI GS. PACKAGE/ORDER I FOR ATIO. 0VDD = VDD (Notes 1, … |
| File Format / Size | PDF / 257 Kb |
| Document Language | English |
ABSOLUTE AXI U. RATI GS. PACKAGE/ORDER I FOR ATIO. 0VDD = VDD (Notes 1, 2). CONVERTER CHARACTERISTICS The
Model Line for this Datasheet
Text Version of Document
LTC1420
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO 0VDD = VDD (Notes 1, 2)
TOP VIEW Supply Voltage (V ORDER PART DD) ... 6V +A 1 28 IN GAIN Negative Supply Voltage (V NUMBER SS) .. – 6V –A 2 27 IN OF Total Supply Voltage (V V 3 26 CLK DD to VSS) ... 12V CM LTC1420CGN SENSE 4 25 V Analog Input Voltage SS V 5 24 REF GND LTC1420IGN (Note 3) ... (VSS – 0.3V) to (VDD + 0.3V) GND 6 23 VDD Digital Input Voltage V 7 22 DD OVDD GND 8 21 OGND (Note 4) ... (VSS – 0.3V) to (VDD + 0.3V) D11 (MSB) 9 20 D0 Digital Output Voltage .. (VSS – 0.3V) to (VDD + 0.3V) D10 10 19 D1 Power Dissipation .. 500mW D9 11 18 D2 D8 12 17 D3 Operating Temperature Range D7 13 16 D4 LTC1420C ... 0°C to 70°C D6 14 15 D5 LTC1420I .. – 40°C to 85°C GN PACKAGE 28-LEAD PLASTIC SSOP Storage Temperature Range ... – 65°C to 150°C TJMAX = 125°C, θJA = 80°C/W Lead Temperature (Soldering, 10 sec).. 300°C Consult factory for Military grade parts.
U CONVERTER CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. With Internal 4.096V Reference. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) ● 12 Bits Integral Linearity Error (Note 7) ● ±0.35 ±1 LSB Differential Linearity Error ● ±0.25 ±1 LSB Offset Error (Note 8) ±5 12 LSB ● 16 LSB Full-Scale Error ±10 30 LSB Full-Scale Tempco IOUT(REF) = 0 ±15 ppm/°C
U U A ALOG I PUT The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Analog Input Range (Note 9) VREF = 4.096V (SENSE = 0V), GAIN = 5V (1×) ● ±2.048 V +AIN – (–AIN) VREF = 4.096V (SENSE = 0V), GAIN = 0V (2×) ● ±1.024 V VREF = 2.048V (SENSE = VREF), GAIN = 5V (1×) ● ±1.024 V VREF = 2.048V (SENSE = VREF), GAIN = 0V (2×) ● ±0.512 V External VREF (SENSE = 5V), GAIN = 5V (1×) ● ±VREF/2 V External VREF (SENSE = 5V), GAIN = 0V (2×) ● ±VREF/4 V IIN Analog Input Leakage Current ● ±20 µA CIN Analog Input Capacitance Between Conversions 12 pF During Conversions 6 pF tACQ Sample-and-Hold Acquisition Time 30 ns tAP Sample-and-Hold Aperture Delay Time – 250 ps tjitter Sample-and-Hold Aperture Delay Time Jitter 0.6 ps CMRR Analog Input Common Mode Rejection Ratio –2.048V < (–AIN = +AIN) < 2.048V 75 dB 1420fa 2
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO 0VDD = VDD (Notes 1, 2)
TOP VIEW Supply Voltage (V ORDER PART DD) ... 6V +A 1 28 IN GAIN Negative Supply Voltage (V NUMBER SS) .. – 6V –A 2 27 IN OF Total Supply Voltage (V V 3 26 CLK DD to VSS) ... 12V CM LTC1420CGN SENSE 4 25 V Analog Input Voltage SS V 5 24 REF GND LTC1420IGN (Note 3) ... (VSS – 0.3V) to (VDD + 0.3V) GND 6 23 VDD Digital Input Voltage V 7 22 DD OVDD GND 8 21 OGND (Note 4) ... (VSS – 0.3V) to (VDD + 0.3V) D11 (MSB) 9 20 D0 Digital Output Voltage .. (VSS – 0.3V) to (VDD + 0.3V) D10 10 19 D1 Power Dissipation .. 500mW D9 11 18 D2 D8 12 17 D3 Operating Temperature Range D7 13 16 D4 LTC1420C ... 0°C to 70°C D6 14 15 D5 LTC1420I .. – 40°C to 85°C GN PACKAGE 28-LEAD PLASTIC SSOP Storage Temperature Range ... – 65°C to 150°C TJMAX = 125°C, θJA = 80°C/W Lead Temperature (Soldering, 10 sec).. 300°C Consult factory for Military grade parts.
U CONVERTER CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. With Internal 4.096V Reference. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) ● 12 Bits Integral Linearity Error (Note 7) ● ±0.35 ±1 LSB Differential Linearity Error ● ±0.25 ±1 LSB Offset Error (Note 8) ±5 12 LSB ● 16 LSB Full-Scale Error ±10 30 LSB Full-Scale Tempco IOUT(REF) = 0 ±15 ppm/°C
U U A ALOG I PUT The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Analog Input Range (Note 9) VREF = 4.096V (SENSE = 0V), GAIN = 5V (1×) ● ±2.048 V +AIN – (–AIN) VREF = 4.096V (SENSE = 0V), GAIN = 0V (2×) ● ±1.024 V VREF = 2.048V (SENSE = VREF), GAIN = 5V (1×) ● ±1.024 V VREF = 2.048V (SENSE = VREF), GAIN = 0V (2×) ● ±0.512 V External VREF (SENSE = 5V), GAIN = 5V (1×) ● ±VREF/2 V External VREF (SENSE = 5V), GAIN = 0V (2×) ● ±VREF/4 V IIN Analog Input Leakage Current ● ±20 µA CIN Analog Input Capacitance Between Conversions 12 pF During Conversions 6 pF tACQ Sample-and-Hold Acquisition Time 30 ns tAP Sample-and-Hold Aperture Delay Time – 250 ps tjitter Sample-and-Hold Aperture Delay Time Jitter 0.6 ps CMRR Analog Input Common Mode Rejection Ratio –2.048V < (–AIN = +AIN) < 2.048V 75 dB 1420fa 2
