Datasheet LTC2321-14 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Dual, 14-Bit + Sign, 2Msps Differential Input ADC with Wide Input Common Mode Range |
| 页数 / 页 | 28 / 2 — absoluTe MaxiMuM raTings. pin conFiguraTion. (Notes 1, 2) |
| 文件格式/大小 | PDF / 2.6 Mb |
| 文件语言 | 英语 |
absoluTe MaxiMuM raTings. pin conFiguraTion. (Notes 1, 2)
该数据表的模型线
文件文字版本
LTC2321-14
absoluTe MaxiMuM raTings pin conFiguraTion (Notes 1, 2)
Supply Voltage (V TOP VIEW DD) ..6V Supply Voltage (OVDD) ..3V /LVDS Supply Bypass Voltage (VBYP1, VBYP2) ...3V REFINT REFRTN2 REFOUT2 CMOS VBYP2 OGND Analog Input Voltage 28 27 26 25 24 23 AIN+, AIN– (Note 3) ... –0.3V to (VDD + 0.3V) VDD 1 22 SCK– REFOUT1,2 ... .–0.3V to (V AIN2+ 2 21 SCK+ DD + 0.3V) CNV (Note 15) .. –0.3V to (V AIN2– 3 20 SDO2– DD + 0.3V) GND 4 29 Digital Input Voltage 19 SDO2+ GND GND 5 18 CLKOUT– (Note 3) .. (GND – 0.3V) to (OVDD + 0.3V) AIN1– 6 17 CLKOUT+ Digital Output Voltage .. (GND – 0.3V) to (OVDD + 0.3V) AIN1+ 7 16 SDO1– 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 LTC2321I..–40°C to 85°C VBYP1 OV REFRTN1 REFOUT1 LTC2321H .. –40°C to 125°C UFD PACKAGE Storage Temperature Range .. –65°C to 150°C 28-LEAD (4mm × 5mm) PLASTIC QFN 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/LTC2321-14#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2321CUFD-14#PBF LTC2321CUFD-14#TRPBF 23214 28-Lead (4mm × 5mm) Plastic QFN 0°C to 70°C LTC2321IUFD-14#PBF LTC2321IUFD-14#TRPBF 23214 28-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C LTC2321HUFD-14#PBF LTC2321HUFD-14#TRPBF 23214 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 = 500kHz 85 dB IREFOUT External Reference Current REFINT = 0V, REFOUT = 4.096V 310 µA 232114fc 2 For more information www.linear.com/LTC2321-14 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration 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 Typical Application Package Description Revision History Related Parts
absoluTe MaxiMuM raTings pin conFiguraTion (Notes 1, 2)
Supply Voltage (V TOP VIEW DD) ..6V Supply Voltage (OVDD) ..3V /LVDS Supply Bypass Voltage (VBYP1, VBYP2) ...3V REFINT REFRTN2 REFOUT2 CMOS VBYP2 OGND Analog Input Voltage 28 27 26 25 24 23 AIN+, AIN– (Note 3) ... –0.3V to (VDD + 0.3V) VDD 1 22 SCK– REFOUT1,2 ... .–0.3V to (V AIN2+ 2 21 SCK+ DD + 0.3V) CNV (Note 15) .. –0.3V to (V AIN2– 3 20 SDO2– DD + 0.3V) GND 4 29 Digital Input Voltage 19 SDO2+ GND GND 5 18 CLKOUT– (Note 3) .. (GND – 0.3V) to (OVDD + 0.3V) AIN1– 6 17 CLKOUT+ Digital Output Voltage .. (GND – 0.3V) to (OVDD + 0.3V) AIN1+ 7 16 SDO1– 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 LTC2321I..–40°C to 85°C VBYP1 OV REFRTN1 REFOUT1 LTC2321H .. –40°C to 125°C UFD PACKAGE Storage Temperature Range .. –65°C to 150°C 28-LEAD (4mm × 5mm) PLASTIC QFN 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/LTC2321-14#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2321CUFD-14#PBF LTC2321CUFD-14#TRPBF 23214 28-Lead (4mm × 5mm) Plastic QFN 0°C to 70°C LTC2321IUFD-14#PBF LTC2321IUFD-14#TRPBF 23214 28-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C LTC2321HUFD-14#PBF LTC2321HUFD-14#TRPBF 23214 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 = 500kHz 85 dB IREFOUT External Reference Current REFINT = 0V, REFOUT = 4.096V 310 µA 232114fc 2 For more information www.linear.com/LTC2321-14 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration 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 Typical Application Package Description Revision History Related Parts