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ADMC326 Datasheet(PDF) 2 Page - Analog Devices

Part No. ADMC326
Description  28-Lead ROM-Based DSP Motor Controller
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADMC326 Datasheet(HTML) 2 Page - Analog Devices

 
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–2–
REV. A
ADMC326–SPECIFICATIONS
(VDD = +5 V
5%, GND = 0 V, TA = –40 C to +105 C for ADMC326Y, TA = –40 C to
+125 C for ADMC326T, CLKIN = 10 MHz, unless otherwise noted)
ANALOG-TO-DIGITAL CONVERTER
Parameter
Min
Typ
Max
Unit
Conditions/Comments
Signal Input
0.3
3.5
V
V1, V2, V3, VAUX0, VAUX1, VAUX2
Resolution1
12
Bits
Linearity Error2
2
4
Bits
Zero Offset2
–20
0
+20
mV
Channel-to-Channel Comparator Match2
20
mV
Comparator Delay
600
ns
ADC Hi-Level Input Current2
10
µAV
IN = 3.5 V
ADC Lo-Level Input Current2
–10
µAV
IN = 0.0 V
NOTES
1Resolution varies with PWM switching frequency (double update mode) 78.1 kHz = 8 bits, 4.9 kHz = 12 bits.
22.44 kHz sample frequency, V1, V2, VAUX0, VAUX1, VAUX2.
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
Parameter
Min
Typ
Max
Unit
Conditions/Comments
VIL
Lo-Level Input Voltage
0.8
V
VIH
Hi-Level Input Voltage
2
V
VOL
Low Level Output Voltage1
0.4
V
IOL = 2 mA
VOL
Low Level Output Voltage2
0.8
V
IOL = 2 mA
VOH
High Level Output Voltage
4
V
IOH = –0.5 mA
IIL
Low Level Input Current3
–120
µAV
IN = 0 V
IIL
Low Level Input Current
–10
µAV
IN = 0 V
IIH
High Level Input Current4
90
µAV
IN = VDD
IIH
High Level Input Current
10
µAV
IN = VDD
IOZH
Hi-Level Three-State Leakage Current5
90
µAV
IN = VDD
IOZL
Lo-Level Three-State Leakage Current5
–10
µAV
IN = 0
IIL
Lo-Level
PWMTRIP Current
–10
µA@ V
DD = Max, VIN = 0 V
IDD
Supply Current (Idle)6
32
mA
IDD
Supply Current (Dynamic)6
55
mA
NOTES
1Output pins PIO0–PIO8, AH, AL, BH, BL, CH, CL.
2XTAL Pin.
3Internal Pull-Up,
RESET.
4Internal Pull-Down,
PWMTRIP, PIO0–PIO8.
5Three-stateable pins DT1, RFS1, TFS1, SCLK1.
6Outputs not Switching.
Specifications subject to change without notice.
CURRENT SOURCE1
Parameter
Min
Typ
Max
Unit
Conditions/Comments
Programming Resolution
3
Bits
Default Current2
70
83
95
µA
ICONST_TRIM = 0x00
Tuned Current
95
100
105
µA
NOTES
1For ADC Calibration.
20.3 V to 3.5 V ICONST Voltage.
Specifications subject to change without notice.


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