Datasheet AD7441, AD7451 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Pseudo Differential Input, 1 MSPS, 12-Bit ADC in an 8-Lead SOT-23 |
| 页数 / 页 | 24 / 8 — AD7441/AD7451. ABSOLUTE MAXIMUM RATINGS. Table 4. Parameter Rating. … |
| 修订版 | D |
| 文件格式/大小 | PDF / 523 Kb |
| 文件语言 | 英语 |
AD7441/AD7451. ABSOLUTE MAXIMUM RATINGS. Table 4. Parameter Rating. 1.6mA. TO OUTPUT. 1.6V. PIN. 25pF. 200µA. ESD CAUTION
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AD7441/AD7451 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress
Table 4.
rating only; functional operation of the device at these or any
Parameter Rating
other conditions above those indicated in the operational VDD to GND −0.3 V to +7 V section of this specification is not implied. Exposure to absolute VIN+ to GND −0.3 V to VDD + 0.3 V maximum rating conditions for extended periods may affect V device reliability. IN– to GND −0.3 V to VDD + 0.3 V Digital Input Voltage to GND −0.3 V to +7 V Digital Output Voltage to GND −0.3 V to V
1.6mA I
DD + 0.3 V
OL
VREF to GND −0.3 V to VDD + 0.3 V Input Current to any Pin Except Supplies1 ±10 mA
TO OUTPUT 1.6V
Operating Temperature Range −40°C to +85°C
PIN CL
Commercial (A, B Version)
25pF
Storage Temperature Range −65°C to +150°C 04
200µA I
0
OH
3- Junction Temperature 150°C 15 03 θ Figure 4. Load Circuit for Digital Output Timing Specifications JA Thermal Impedance 205.9°C/W (MSOP) 211.5°C/W (SOT-23)
ESD CAUTION
θJC Thermal Impedance 43.74°C/W (MSOP) 91.99°C/W (SOT-23) Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C ESD 1 kV 1 Transient currents of up to 100 mA do not cause SCR latch-up. Rev. D | Page 8 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM ANALOG INPUT ANALOG INPUT STRUCTURE DIGITAL INPUTS REFERENCE SERIAL INTERFACE Timing Example 1 Timing Example 2 MODES OF OPERATION NORMAL MODE POWER-DOWN MODE Power-Up Time POWER VS. THROUGHPUT RATE MICROPROCESSOR AND DSP INTERFACING AD7441/AD7451 to ADSP-21xx AD7441/AD7451 to TMS320C5x/C54x AD7441/AD7451 to DSP56xxx GROUNDING AND LAYOUT HINTS EVALUATING PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE
AD7441/AD7451 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress
Table 4.
rating only; functional operation of the device at these or any
Parameter Rating
other conditions above those indicated in the operational VDD to GND −0.3 V to +7 V section of this specification is not implied. Exposure to absolute VIN+ to GND −0.3 V to VDD + 0.3 V maximum rating conditions for extended periods may affect V device reliability. IN– to GND −0.3 V to VDD + 0.3 V Digital Input Voltage to GND −0.3 V to +7 V Digital Output Voltage to GND −0.3 V to V
1.6mA I
DD + 0.3 V
OL
VREF to GND −0.3 V to VDD + 0.3 V Input Current to any Pin Except Supplies1 ±10 mA
TO OUTPUT 1.6V
Operating Temperature Range −40°C to +85°C
PIN CL
Commercial (A, B Version)
25pF
Storage Temperature Range −65°C to +150°C 04
200µA I
0
OH
3- Junction Temperature 150°C 15 03 θ Figure 4. Load Circuit for Digital Output Timing Specifications JA Thermal Impedance 205.9°C/W (MSOP) 211.5°C/W (SOT-23)
ESD CAUTION
θJC Thermal Impedance 43.74°C/W (MSOP) 91.99°C/W (SOT-23) Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C ESD 1 kV 1 Transient currents of up to 100 mA do not cause SCR latch-up. Rev. D | Page 8 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM ANALOG INPUT ANALOG INPUT STRUCTURE DIGITAL INPUTS REFERENCE SERIAL INTERFACE Timing Example 1 Timing Example 2 MODES OF OPERATION NORMAL MODE POWER-DOWN MODE Power-Up Time POWER VS. THROUGHPUT RATE MICROPROCESSOR AND DSP INTERFACING AD7441/AD7451 to ADSP-21xx AD7441/AD7451 to TMS320C5x/C54x AD7441/AD7451 to DSP56xxx GROUNDING AND LAYOUT HINTS EVALUATING PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE