Datasheet AD420 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Serial Input 16-Bit 4 mA-20 mA, 0 mA-20 mA DAC |
| Pages / Page | 16 / 3 — Data Sheet. AD420. SPECIFICATIONS. Table 1. AD420-32 V. ersion. … |
| File Format / Size | PDF / 349 Kb |
| Document Language | English |
Data Sheet. AD420. SPECIFICATIONS. Table 1. AD420-32 V. ersion. Parameter. Min. Typ. Max. Units. Comments
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Data Sheet AD420 SPECIFICATIONS
TA = TMIN − TMAX, VCC = +24 V, unless otherwise noted.
Table 1. AD420-32 V ersion Parameter Min Typ Max Units Comments
RESOLUTION 16 Bits IOUT CHARACTERISTICS RL = 500 Ω Operating Current Ranges 4 20 mA 0 20 mA 0 24 mA Current Loop Voltage Compliance 0 VCC − 2.75 V V Settling Time (to 0.1% of FS)1 2.5 3 ms Output Impedance (Current Mode) 25 MΩ Accuracy2 Monotonicity 16 Bits Integral Nonlinearity ±0.002 ±0.012 % Offset (0 mA or 4 mA) (TA = +25°C) ±0.05 % Offset Drift 20 50 ppm/° C Total Output Error (20 mA or 24 mA) (TA = +25°C) ±0.15 % Total Output Error Drift 20 50 ppm/° C PSRR3 5 10 µA/V VOUT CHARACTERISTICS FS Output Voltage Range (Pin 17) 0 5 V VOLTAGE REFERENCE REF OUT Output Voltage (TA = +25° C) 4.995 5.0 5.005 V Drift ±25 ppm/° C Externally Available Current 5 mA Short Circuit Current 7 mA REF IN Resistance 30 kΩ VLL Output Voltage 4.5 V Externally Available Current 5 mA Short Circuit Current 20 mA DIGITAL INPUTS VIH (Logic 1) 2.4 V VIL (Logic 0) 0.8 V IIH (VIN = 5.0 V) ±10 µA IIL (VIN = 0 V) ±10 µA Data Input Rate (3-Wire Mode) No Minimum 3.3 MBPS Data Input Rate (Asynchronous Mode) No Minimum 150 kBPS DIGITAL OUTPUTS FAULT DEFECT VOH (10 kΩ Pull-Up Resistor to VLL) 3.6 4.5 V VOL (10 kΩ Pull-Up Resistor to VLL) 0.2 0.4 V VOL @ 2.5 mA 0.6 V DATA OUT VOH (IOH = −0.8 mA) 3.6 4.3 V VOL (IOL = 1.6 mA) 0.3 0.4 V Rev. I | Page 3 of 16 Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TIMING REQUIREMENTS THREE-WIRE INTERFACE THREE-WIRE INTERFACE FAST EDGES ON DIGITAL INPUT ASYNCHRONOUS INTERFACE TERMINOLOGY THEORY OF OPERATION APPLICATIONS INFORMATION CURRENT OUTPUT DRIVING INDUCTIVE LOADS VOLTAGE-MODE OUTPUT OPTIONAL SPAN AND ZERO TRIM THREE-WIRE INTERFACE USING MULTIPLE DACS WITH FAULT DETECT ASYNCHRONOUS INTERFACE USING OPTOCOUPLERS MICROPROCESSOR INTERFACE AD420-TO-MC68HC11 (SPI BUS) INTERFACE AD420 TO MICROWIRE INTERFACE EXTERNAL BOOST FUNCTION AD420 PROTECTION TRANSIENT VOLTAGE PROTECTION BOARD LAYOUT AND GROUNDING POWER SUPPLIES AND DECOUPLING OUTLINE DIMENSIONS ORDERING GUIDE
Data Sheet AD420 SPECIFICATIONS
TA = TMIN − TMAX, VCC = +24 V, unless otherwise noted.
Table 1. AD420-32 V ersion Parameter Min Typ Max Units Comments
RESOLUTION 16 Bits IOUT CHARACTERISTICS RL = 500 Ω Operating Current Ranges 4 20 mA 0 20 mA 0 24 mA Current Loop Voltage Compliance 0 VCC − 2.75 V V Settling Time (to 0.1% of FS)1 2.5 3 ms Output Impedance (Current Mode) 25 MΩ Accuracy2 Monotonicity 16 Bits Integral Nonlinearity ±0.002 ±0.012 % Offset (0 mA or 4 mA) (TA = +25°C) ±0.05 % Offset Drift 20 50 ppm/° C Total Output Error (20 mA or 24 mA) (TA = +25°C) ±0.15 % Total Output Error Drift 20 50 ppm/° C PSRR3 5 10 µA/V VOUT CHARACTERISTICS FS Output Voltage Range (Pin 17) 0 5 V VOLTAGE REFERENCE REF OUT Output Voltage (TA = +25° C) 4.995 5.0 5.005 V Drift ±25 ppm/° C Externally Available Current 5 mA Short Circuit Current 7 mA REF IN Resistance 30 kΩ VLL Output Voltage 4.5 V Externally Available Current 5 mA Short Circuit Current 20 mA DIGITAL INPUTS VIH (Logic 1) 2.4 V VIL (Logic 0) 0.8 V IIH (VIN = 5.0 V) ±10 µA IIL (VIN = 0 V) ±10 µA Data Input Rate (3-Wire Mode) No Minimum 3.3 MBPS Data Input Rate (Asynchronous Mode) No Minimum 150 kBPS DIGITAL OUTPUTS FAULT DEFECT VOH (10 kΩ Pull-Up Resistor to VLL) 3.6 4.5 V VOL (10 kΩ Pull-Up Resistor to VLL) 0.2 0.4 V VOL @ 2.5 mA 0.6 V DATA OUT VOH (IOH = −0.8 mA) 3.6 4.3 V VOL (IOL = 1.6 mA) 0.3 0.4 V Rev. I | Page 3 of 16 Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TIMING REQUIREMENTS THREE-WIRE INTERFACE THREE-WIRE INTERFACE FAST EDGES ON DIGITAL INPUT ASYNCHRONOUS INTERFACE TERMINOLOGY THEORY OF OPERATION APPLICATIONS INFORMATION CURRENT OUTPUT DRIVING INDUCTIVE LOADS VOLTAGE-MODE OUTPUT OPTIONAL SPAN AND ZERO TRIM THREE-WIRE INTERFACE USING MULTIPLE DACS WITH FAULT DETECT ASYNCHRONOUS INTERFACE USING OPTOCOUPLERS MICROPROCESSOR INTERFACE AD420-TO-MC68HC11 (SPI BUS) INTERFACE AD420 TO MICROWIRE INTERFACE EXTERNAL BOOST FUNCTION AD420 PROTECTION TRANSIENT VOLTAGE PROTECTION BOARD LAYOUT AND GROUNDING POWER SUPPLIES AND DECOUPLING OUTLINE DIMENSIONS ORDERING GUIDE
