Datasheet LTC2248, LTC2247, LTC2246 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 14-Bit, 65Msps Low Power 3V ADCs |
| Pages / Page | 24 / 2 — ABSOLUTE AXI U. RATI GS. PACKAGE/ORDER I FOR ATIO. OVDD = VDD (Notes 1, … |
| File Format / Size | PDF / 795 Kb |
| Document Language | English |
ABSOLUTE AXI U. RATI GS. PACKAGE/ORDER I FOR ATIO. OVDD = VDD (Notes 1, 2). Order Options. CO VERTER CHARACTERISTICS The
Model Line for this Datasheet
- LTC2246CUH#PBF LTC2246CUH#PBF LTC2246CUH#TRPBF LTC2246CUH#TRPBF LTC2246IUH#PBF LTC2246IUH#PBF LTC2246IUH#TRPBF LTC2246IUH#TRPBF
Text Version of Document
LTC2248/LTC2247/LTC2246
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO OVDD = VDD (Notes 1, 2)
TOP VIEW Supply Voltage (VDD) ... 4V Digital Output Ground Voltage (OGND) ... –0.3V to 1V DD CM V V SENSE MODE OF D13 D12 D11 Analog Input Voltage (Note 3) ... –0.3V to (V 32 31 30 29 28 27 26 25 DD + 0.3V) AIN+ 1 24 D10 Digital Input Voltage .. –0.3V to (VDD + 0.3V) AIN– 2 23 D9 Digital Output Voltage .. –0.3V to (OVDD + 0.3V) REFH 3 22 D8 Power Dissipation .. 1500mW REFH 4 21 OVDD 33 REFL 5 20 OGND Operating Temperature Range REFL 6 19 D7 LTC2248C, LTC2247C, LTC2246C ... 0°C to 70°C V 7 18 DD D6 GND 8 17 D5 LTC2248I, LTC2247I, LTC2246I ..–40°C to 85°C 9 10 11 12 13 14 15 16 Storage Temperature Range ..–65°C to 125°C OE D0 D1 D2 D3 D4 CLK SHDN UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD IS GND (PIN 33) MUST BE SOLDERED TO PCB ORDER PART NUMBER QFN PART MARKING* LTC2248CUH 2248 LTC2248IUH 2248 LTC2247CUH 2247 LTC2247IUH 2247 LTC2246CUH 2246 LTC2246IUH 2246
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
U CO VERTER CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 4) LTC2248 LTC2247 LTC2246 PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Resolution ● 14 14 14 Bits (No Missing Codes) Integral Differential Analog Input ● –4 ±1 4 –4 ±1 4 –4 ±1 4 LSB Linearity Error (Note 5) Differential Differential Analog Input ● –1 ±0.5 1 –1 ±0.5 1 –1 ±0.5 1 LSB Linearity Error Offset Error (Note 6) ● –12 ±2 12 –12 ±2 12 –12 ±2 12 mV Gain Error External Reference ● –2.5 ±0.5 2.5 –2.5 ±0.5 2.5 –2.5 ±0.5 2.5 %FS Offset Drift ±10 ±10 ±10 µV/°C Full-Scale Drift Internal Reference ±30 ±30 ±30 ppm/°C External Reference ±5 ±5 ±5 ppm/°C Transition Noise SENSE = 1V 1 1 1 LSBRMS 224876fa 2
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO OVDD = VDD (Notes 1, 2)
TOP VIEW Supply Voltage (VDD) ... 4V Digital Output Ground Voltage (OGND) ... –0.3V to 1V DD CM V V SENSE MODE OF D13 D12 D11 Analog Input Voltage (Note 3) ... –0.3V to (V 32 31 30 29 28 27 26 25 DD + 0.3V) AIN+ 1 24 D10 Digital Input Voltage .. –0.3V to (VDD + 0.3V) AIN– 2 23 D9 Digital Output Voltage .. –0.3V to (OVDD + 0.3V) REFH 3 22 D8 Power Dissipation .. 1500mW REFH 4 21 OVDD 33 REFL 5 20 OGND Operating Temperature Range REFL 6 19 D7 LTC2248C, LTC2247C, LTC2246C ... 0°C to 70°C V 7 18 DD D6 GND 8 17 D5 LTC2248I, LTC2247I, LTC2246I ..–40°C to 85°C 9 10 11 12 13 14 15 16 Storage Temperature Range ..–65°C to 125°C OE D0 D1 D2 D3 D4 CLK SHDN UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD IS GND (PIN 33) MUST BE SOLDERED TO PCB ORDER PART NUMBER QFN PART MARKING* LTC2248CUH 2248 LTC2248IUH 2248 LTC2247CUH 2247 LTC2247IUH 2247 LTC2246CUH 2246 LTC2246IUH 2246
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
U CO VERTER CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 4) LTC2248 LTC2247 LTC2246 PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Resolution ● 14 14 14 Bits (No Missing Codes) Integral Differential Analog Input ● –4 ±1 4 –4 ±1 4 –4 ±1 4 LSB Linearity Error (Note 5) Differential Differential Analog Input ● –1 ±0.5 1 –1 ±0.5 1 –1 ±0.5 1 LSB Linearity Error Offset Error (Note 6) ● –12 ±2 12 –12 ±2 12 –12 ±2 12 mV Gain Error External Reference ● –2.5 ±0.5 2.5 –2.5 ±0.5 2.5 –2.5 ±0.5 2.5 %FS Offset Drift ±10 ±10 ±10 µV/°C Full-Scale Drift Internal Reference ±30 ±30 ±30 ppm/°C External Reference ±5 ±5 ±5 ppm/°C Transition Noise SENSE = 1V 1 1 1 LSBRMS 224876fa 2
