Datasheet LTC2321-12 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | Dual, 12-Bit + Sign, 2Msps Differential Input ADC with Wide Input Common Mode Range |
| Páginas / Página | 26 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Notes 1, 2) |
| Formato / tamaño de archivo | PDF / 1.1 Mb |
| Idioma del documento | Inglés |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Notes 1, 2)
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LTC2321-12
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2)
Supply Voltage (VDD) ..6V TOP VIEW Supply Voltage (OVDD) ..3V Supply Bypass Voltage (V /LVDS BYP1, VBYP2) ...3V Analog Input Voltage REFINT REFRTN2 REFOUT2 CMOS VBYP2 OGND A 28 27 26 25 24 23 IN+, AIN– (Note 3) ... –0.3V to (VDD + 0.3V) VDD 1 22 REFOUT1,2 ... .–0.3V to (V SCK– DD + 0.3V) AIN2+ 2 21 SCK+ CNV (Note 15) .. –0.3V to (VDD + 0.3V) AIN2– 3 20 SDO2– Digital Input Voltage GND 4 29 19 SDO2+ (Note 3) .. (GND – 0.3V) to (OV GND DD + 0.3V) GND 5 18 CLKOUT– Digital Output Voltage AIN1– 6 17 CLKOUT+ (Note 3) .. (GND – 0.3V) to (OV A 7 16 SDO1– DD + 0.3V) IN1+ Power Dissipation ...200mW VDD 8 15 SDO1+ Operating Temperature Range 9 10 11 12 13 14 LTC2321C .. 0°C to 70°C DD CNV GND VBYP1 OV LTC2321I..–40°C to 85°C REFRTN1 REFOUT1 LTC2321H .. –40°C to 125°C UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN Storage Temperature Range .. –65°C to 150°C TJMAX = 125°C, θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LTC2321-12#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2321CUFD-12#PBF LTC2321CUFD-12#TRPBF 23212 28-Lead (4mm × 5mm) Plastic QFN 0°C to 70°C LTC2321IUFD-12#PBF LTC2321IUFD-12#TRPBF 23212 28-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C LTC2321HUFD-12#PBF LTC2321HUFD-12#TRPBF 23212 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Note 4). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN+ Absolute Input Range (AIN1+, AIN2+) (Note 5) l 0 VDD V VIN– Absolute Input Range (AIN1–, AIN2–) (Note 5) l 0 VDD V VIN+ – VIN– Input Differential Voltage Range VIN = VIN+ – VIN– l –REFOUT1,2 REFOUT1,2 V VCM Common Mode Input Range VIN = (VIN+ + VIN–)/2 l 0 VDD V IIN Analog Input DC Leakage Current l –1 1 µA CIN Analog Input Capacitance 10 pF CMRR Input Common Mode Rejection Ratio fIN = 2.2MHz 85 dB IREFOUT External Reference Current REFINT = 0V, REFOUT = 4.096V 310 µA 232112fb 2 For more information www.linear.com/LTC2321-12 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Package Description Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Notes 1, 2)
Supply Voltage (VDD) ..6V TOP VIEW Supply Voltage (OVDD) ..3V Supply Bypass Voltage (V /LVDS BYP1, VBYP2) ...3V Analog Input Voltage REFINT REFRTN2 REFOUT2 CMOS VBYP2 OGND A 28 27 26 25 24 23 IN+, AIN– (Note 3) ... –0.3V to (VDD + 0.3V) VDD 1 22 REFOUT1,2 ... .–0.3V to (V SCK– DD + 0.3V) AIN2+ 2 21 SCK+ CNV (Note 15) .. –0.3V to (VDD + 0.3V) AIN2– 3 20 SDO2– Digital Input Voltage GND 4 29 19 SDO2+ (Note 3) .. (GND – 0.3V) to (OV GND DD + 0.3V) GND 5 18 CLKOUT– Digital Output Voltage AIN1– 6 17 CLKOUT+ (Note 3) .. (GND – 0.3V) to (OV A 7 16 SDO1– DD + 0.3V) IN1+ Power Dissipation ...200mW VDD 8 15 SDO1+ Operating Temperature Range 9 10 11 12 13 14 LTC2321C .. 0°C to 70°C DD CNV GND VBYP1 OV LTC2321I..–40°C to 85°C REFRTN1 REFOUT1 LTC2321H .. –40°C to 125°C UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN Storage Temperature Range .. –65°C to 150°C TJMAX = 125°C, θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LTC2321-12#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2321CUFD-12#PBF LTC2321CUFD-12#TRPBF 23212 28-Lead (4mm × 5mm) Plastic QFN 0°C to 70°C LTC2321IUFD-12#PBF LTC2321IUFD-12#TRPBF 23212 28-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C LTC2321HUFD-12#PBF LTC2321HUFD-12#TRPBF 23212 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Note 4). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN+ Absolute Input Range (AIN1+, AIN2+) (Note 5) l 0 VDD V VIN– Absolute Input Range (AIN1–, AIN2–) (Note 5) l 0 VDD V VIN+ – VIN– Input Differential Voltage Range VIN = VIN+ – VIN– l –REFOUT1,2 REFOUT1,2 V VCM Common Mode Input Range VIN = (VIN+ + VIN–)/2 l 0 VDD V IIN Analog Input DC Leakage Current l –1 1 µA CIN Analog Input Capacitance 10 pF CMRR Input Common Mode Rejection Ratio fIN = 2.2MHz 85 dB IREFOUT External Reference Current REFINT = 0V, REFOUT = 4.096V 310 µA 232112fb 2 For more information www.linear.com/LTC2321-12 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Package Description Related Parts