AD5620ARJ-1REEL7 Analog Devices Inc, AD5620ARJ-1REEL7 Datasheet
AD5620ARJ-1REEL7
Specifications of AD5620ARJ-1REEL7
Related parts for AD5620ARJ-1REEL7
AD5620ARJ-1REEL7 Summary of contents
Page 1
FEATURES Low power, single nanoDACs AD5660: 16 bits AD5640: 14 bits AD5620: 12 bits 12-bit accuracy guaranteed On-chip, 1.25 V/2 ppm/°C reference Tiny 8-lead SOT-23/MSOP packages Power-down to 480 200 ...
Page 2
AD5620/AD5640/AD5660 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Product Highlights ........................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 AD5620/AD5640/AD5660-2-3 .................................................. 3 AD5620/AD5640/AD5660-1 ...................................................... 5 Timing Characteristics ................................................................ 7 ...
Page 3
SPECIFICATIONS AD5620/AD5640/AD5660 kΩ to GND Table 2. Parameter 2 STATIC PERFORMANCE AD5660 Resolution Relative Accuracy Differential Nonlinearity AD5640 Resolution Relative Accuracy Differential Nonlinearity AD5620 Resolution Relative Accuracy ...
Page 4
AD5620/AD5640/AD5660 Parameter 3 LOGIC INPUTS Input Current V , Input Low Voltage INL V , Input High Voltage INH Pin Capacitance POWER REQUIREMENTS (Normal Mode 4 5 4.5 ...
Page 5
AD5620/AD5640/AD5660 2 3 kΩ to GND Table 3. Parameter STATIC PERFORMANCE 3 AD5660 Resolution Relative Accuracy Differential Nonlinearity AD5640 Resolution Relative Accuracy Differential Nonlinearity AD5620 Resolution Relative Accuracy ...
Page 6
AD5620/AD5640/AD5660 Parameter 4 LOGIC INPUTS Input Current V , Input Low Voltage INL V , Input High Voltage INH Pin Capacitance POWER REQUIREMENTS (Normal Mode 2 3 2.7 ...
Page 7
TIMING CHARACTERISTICS All input signals are specified with ns/V (10 5.5 V; all specifications T DD Table 4. Limit at T Parameter V = 2.7 V ...
Page 8
AD5620/AD5640/AD5660 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 5. Parameter V to GND GND OUT V to GND GND REFOUT Digital Input Voltage to GND Operating Temperature Range Industrial Storage ...
Page 9
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS V AD5620 AD5640 REFOUT AD5660 TOP VIEW (Not to Scale OUT Figure 3. SOT-23 Pin Configuration Table 6. Pin Function Descriptions Pin ...
Page 10
AD5620/AD5640/AD5660 TYPICAL PERFORMANCE CHARACTERISTICS 2.5V REFOUT T = 25° –2 –4 –6 –8 –10 CODE Figure 5. INL—AD5660-2/AD5660 2.5V REFOUT ...
Page 11
1.25V REFOUT T = 25 –2 –4 –6 –8 –10 CODE Figure 11. INL—AD5660 1.25V REFOUT 25C ...
Page 12
AD5620/AD5640/AD5660 MAX INL MAX DNL 0 –2 MIN DNL –4 –6 –8 MIN INL –10 –12 –40 – TEMPERATURE (°C) Figure 17. INL Error and DNL Error ...
Page 13
1.25V REFOUT T = 25C A 3.00 FULL SCALE 3/4 SCALE 2.00 MIDSCALE 1.00 1/4 SCALE 0 ZERO SCALE –1.00 –30 –20 – CURRENT (mA) Figure 23. Source and Sink Capability—AD5660-1 ...
Page 14
AD5620/AD5640/AD5660 REF V OUT 3 CH1 1.20V CH2 1.00V M100s CH3 100mV Figure 29. Power-On Reset to 0 V—AD5660-1 SCLK 1 3 CH1 2.00V M1.00s CH3 50.0mV Figure 30. Exiting Power-Down to Midscale 2.501250 2.501000 ...
Page 15
2.5V REFOUT T = 25C A DAC LOADED WITH MIDSCALE 1 5s/DIV Figure 35. 0 Output Noise—AD5660-2/AD5660 1.25V REFOUT T = 25C A DAC ...
Page 16
AD5620/AD5640/AD5660 TERMINOLOGY Relative Accuracy For the DAC, relative accuracy, or integral nonlinearity (INL measurement of the maximum deviation, in LSBs, from a straight line passing through the endpoints of the DAC transfer function. Figure 5 through Figure 7 ...
Page 17
THEORY OF OPERATION D/A SECTION The AD5620/AD5640/AD5660 DACs are fabricated on a CMOS process. The architecture consists of a string DAC followed by an output buffer amplifier. The parts include an internal 1.25 V/2 ppm/°C reference that is ...
Page 18
AD5620/AD5640/AD5660 INPUT SHIFT REGISTER AD5620/AD5640 The input shift register is 16 bits wide for the AD5620/AD5640 (see Figure 40 and Figure 41). The first two bits are control bits that control which mode of operation the part is in (normal ...
Page 19
POWER-ON RESET The AD5620/AD5640/AD5660 family contains a power-on reset circuit that controls the output voltage during power-up. The AD5620/AD5640/AD5660-1-2 DAC output powers and the AD5620/AD5660-3 DAC output powers up to midscale. The output remains at this ...
Page 20
AD5620/AD5640/AD5660 AD5660-to-68HC11/68L11 Interface Figure 46 shows a serial interface between the AD5660 and the 68HC11/68L11 microcontroller. SCK of 68HC11/68L11 drives the SCLK of AD5660, and the MOSI output drives the serial data line of the DAC. The SYNC signal is ...
Page 21
APPLICATIONS INFORMATION USING A REF19x AS A POWER SUPPLY FOR THE AD5620/AD5640/AD5660 Because the supply current required by the AD5620/AD5640/ AD5660 is extremely low, an alternative option is to use a REF19x voltage reference (REF195 for REF193 ...
Page 22
AD5620/AD5640/AD5660 SERIAL AD5660 LOAD USING THE AD5660 AS AN ISOLATED, PROGRAMMABLE PROCESS CONTROLLER In many process-control system applications, 2-wire current transmitters are used to transmit analog signals through noisy environments. These current transmitters use a ...
Page 23
POWER SUPPLY BYPASSING AND GROUNDING When accuracy is important in a circuit helpful to carefully consider the power supply and ground return layout on the board. The printed circuit board containing the AD5620/ AD5640/AD5660 should have separate analog ...
Page 24
AD5620/AD5640/AD5660 OUTLINE DIMENSIONS 1.70 1.60 1.50 PIN 1 INDICATOR 1.30 1.15 0.90 0.15 MAX 0.05 MIN IDENTIFIER 3.00 2.90 2. 3.00 2.80 2. 0.65 BSC 1.95 BSC 0.22 MAX 1.45 MAX 0.08 ...
Page 25
... ORDERING GUIDE Temperature 1 Model Range AD5620ARJ-1500RL7 −40°C to +105°C AD5620ARJZ-1500RL7 −40°C to +105°C AD5620ARJ-1REEL7 −40°C to +105°C AD5620ARJ-2500RL7 −40°C to +105°C AD5620ARJZ-2500RL7 −40°C to +105°C AD5620ARJ-2REEL7 −40°C to +105°C AD5620ARJZ-2REEL7 −40°C to +105°C AD5620ARMZ-2 − ...
Page 26
AD5620/AD5640/AD5660 Temperature 1 Model Range AD5660ARJ-1500RL7 −40°C to +105°C AD5660ARJZ-1500RL7 −40°C to +105°C AD5660ARJ-1REEL7 −40°C to +105°C AD5660ARJZ-1REEL7 −40°C to +105°C AD5660ARJ-2500RL7 −40°C to +105°C AD5660ARJZ-2500RL7 −40°C to +105°C AD5660ARJ-2REEL7 −40°C to +105°C AD5660ARJZ-2REEL7 −40°C to +105°C AD5660ARJ-3500RL7 −40°C to ...
Page 27
NOTES AD5620/AD5640/AD5660 Rev Page ...
Page 28
AD5620/AD5640/AD5660 NOTES ©2005–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04539-0-12/10(F) Rev Page ...