Datasheet LTC1857, LTC1858, LTC1859 (Analog Devices) - 2

LTC1857/LTC1858/LTC1859
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Supply Voltage (OV TOP VIEW DD = DVDD = AVDD = VDD) ...6V Ground Voltage Difference COM 1 28 CONVST DGND, AGND1, AGND2, AGND3 ..±0.3V CH0 2 27 RD Analog Input Voltage CH1 3 26 SCK ADC+, ADC– CH2 4 25 SDI (Note 3) ... (AGND1 – 0.3V) to (AV CH3 5 24 DGND DD + 0.3V) CH4 6 23 SDO CH0-CH7, COM ..±25V CH5 7 22 BUSY Digital Input Voltage (Note 4) ...(DGND – 0.3V) to 10V CH6 8 21 OVDD Digital Output Voltage ..(DGND – 0.3V) to (DVDD + 0.3V) CH7 9 20 DVDD Power Dissipation ...500mW MUXOUT+ 10 19 AVDD Operating Temperature Range MUXOUT– 11 18 AGND3 LTC1857C/LTC1858C/LTC1859C .. 0°C to 70°C ADC+ 12 17 AGND2 LTC1857I/LTC1858I/LTC1859I .. –40°C to 85°C ADC– 13 16 REFCOMP Storage Temperature Range ... –65°C to 150°C AGND1 14 15 VREF Lead Temperature (Soldering, 10 sec) .. 300°C G PACKAGE 28-LEAD PLASTIC SSOP TJMAX = 110°C, θJA = 95°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC1857CG#PBF LTC1857CG#TRPBF LTC1857CG 28-Lead Plastic SSOP 0°C to 70°C LTC1857IG#PBF LTC1857IG#TRPBF LTC1857IG 28-Lead Plastic SSOP –40°C to 85°C LTC1858CG#PBF LTC1858CG#TRPBF LTC1858CG 28-Lead Plastic SSOP 0°C to 70°C LTC1858IG#PBF LTC1858IG#TRPBF LTC1858IG 28-Lead Plastic SSOP –40°C to 85°C LTC1859CG#PBF LTC1859CG#TRPBF LTC1859CG 28-Lead Plastic SSOP 0°C to 70°C LTC1859IG#PBF LTC1859IG#TRPBF LTC1859IG 28-Lead Plastic SSOP –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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/ 185789fb 2 For more information www.linear.com/LTC1857 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter and Multplexer Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Timing Diagrams Operation Applications Information Package Description Revision History Typical Application Related Parts