Datasheet AD5232 (Analog Devices) - 10

AD5232 Data Sheet 4 12 6 VDD = 5.5V f–3dB = 500kHz, R = 10kΩ 0 –6 f–3dB = 45kHz, R = 100kΩ ) ) f A B –12 d –3dB = 95kHz, R = 50kΩ (µ 2 ( IN I DD –18 VDD = 2.7V GA –24 VIN = 100mV rms –30 VDD = +2.5V VSS = –2.5V –36 RL = 1MΩ TA = +25°C 0 –42
4
–50 –35 –20 –5 10 25 40 55 70 85
110
1k 10k 100k 1M
-01 8- 18
TEMPERATURE (°C)
61
FREQUENCY (Hz)
02 026 Figure 11. IDD vs. Temperature Figure 14. −3 dB Bandwidth vs. Resistance
T 10 VDD = 5V TA = 25°C CS FILTER = 22kHz 1 1 ) % CLK ( E 2 IS 0.1 NO RAB = 10kΩ HD + SDI T 3 0.01 RAB = 50kΩ, 100kΩ IDD 2mA/DIV
12
4
0
CH1 5.00V CH2 5.00V M 2.00ms 0.001
8- 15 0 61
CH3 5.00V CH4 10.00V 10 100 1k 10k 100k
8- 02
FREQUENCY (Hz)
61 02 Figure 12. IDD vs. Time (Save) Program Mode Figure 15. Total Harmonic Distortion + Noise vs. Frequency
T 110 V 100 DD = 2.7V TA = 25°C CS 90 1 80 70 CLK ) 60 2 Ω ( W 50 R 40 SDI 3 30 IDD* 20 2mA/DIV 10 4 CH1 5.00V CH2 5.00V M 2.00ms 0
6 01
CH3 5.00V CH4 10.00V 0 32 64 96 128 160 192 224 256
8-
CODE (Decimal)
61
*SUPPLY CURRENT RETURNS TO MINIMUM POWER CONSUMPTION
02 13 0
IF COMMAND INSTRUCTION 0 (NOP) IS EXECUTED IMMEDIATELY
8- 61
AFTER COMMAND INSTRUCTION 1 (READ EEMEM).
02 Figure 13. IDD vs. Time Read Mode Figure 16. Wiper On Resistance vs. Code Rev. C | Page 10 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions Interface Timing Characteristics Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuits Theory of Operation Scratch Pad and EEMEM Programming Basic Operation EEMEM Protection Digital Input/Output Configuration Serial Data Interface Daisy-Chaining Operation Advanced Control Modes Increment and Decrement Commands Logarithmic Taper Mode Adjustment Using Additional Internal, Nonvolatile EEMEM Terminal Voltage Operating Range Detailed Potentiometer Operation Programming the Variable Resistor Rheostat Operation Programming the Potentiometer Divider Voltage Output Operation Operation from Dual Supplies Application Programming Examples Equipment Customer Start-up Sequence for a PCB Calibrated Unit with Protected Settings Flash/EEMEM Reliability Evaluation Board Outline Dimensions Ordering Guide