ADMC328 Analog Devices, ADMC328 Datasheet - Page 2

• Manufacturer Part Number: ADMC328
• Description: 28-Lead ROM-Based DSP Motor Controller with Current Sense
• Manufacturer: Analog Devices

ADMC328–SPECIFICATIONS
ANALOG-TO-DIGITAL CONVERTER
Parameter
Signal Input
Resolution
Linearity Error
Zero Offset
Channel-to-Channel Comparator Match
Comparator Delay
ADC Hi-Level Input Current
ADC Lo-Level Input Current
NOTES
1
2
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
Parameter
V
V
V
V
V
I
I
I
I
I
I
I
I
I
NOTES
1
2
3
4
5
6
Specifications subject to change without notice.
CURRENT SOURCE
Parameter
Programming Resolution
Default Current
Tuned Current
NOTES
1
2
Specifications subject to change without notice.
Resolution varies with PWM switching frequency (double update mode) 78.1 kHz = 8 bits, 4.9 kHz = 12 bits.
2.44 kHz sample frequency, V1, V2, VAUX0, VAUX1, VAUX2.
Output pins PIO0–PIO8, AH, AL, BH, BL, CH, CL.
XTAL Pin.
Internal Pull-Up, RESET.
Internal Pull-Down, PWMTRIP, PIO0–PIO8.
Three-stateable pins DT1, RFS1, TFS1, SCLK1.
Outputs not Switching.
For ADC Calibration.
0.3 V to 3.5 V ICONST Voltage.
IL
IL
IH
IH
OZH
OZL
IL
DD
DD
IL
IH
OL
OL
OH
Lo-Level Input Voltage
Hi-Level Input Voltage
Low Level Output Voltage
Low Level Output Voltage
High Level Output Voltage
Low Level Input Current
Low Level Input Current
High Level Input Current
High Level Input Current
Hi-Level Three-State Leakage Current
Lo-Level Three-State Leakage Current
Lo-Level PWMTRIP Current
Supply Current (Idle)
Supply Current (Dynamic)
1
2
2
2
1
2
2
6
3
4
1
2
6
2
5
5
Min
0.3
–0.4
–20
–10
Min
2
4
–120
–10
–10
–10
Min
70
95
(V
+125 C for ADMC328T, CLKIN = 10 MHz, unless otherwise noted)
DD
= +5 V
Typ
2
0
600
Typ
Typ
83
100
–2–
5%, GND = 0 V, T
Max
3.5
0
12
4
+20
20
10
Max
0.8
0.4
0.8
90
10
90
32
55
Max
3
95
105
Unit
V
V
Bits
Bits
mV
mV
ns
Unit
V
V
V
V
V
mA
mA
Unit
Bits
A
A
A
A
A
A
A
A
A
A
A
A
= –40 C to +105 C for ADMC328Y, T
Conditions/Comments
V1, V2, VAUX0, VAUX1, VAUX2
I
V
V
Conditions/Comments
I
I
I
V
V
V
V
V
V
@ V
Conditions/Comments
ICONST_TRIM = 0x00
SENSE
OL
OL
OH
IN
IN
IN
IN
IN
IN
IN
IN
= 2 mA
= 2 mA
= –0.5 mA
= 3.5 V
= 0.0 V
= 0 V
= 0 V
= V
= V
= V
= 0
DD
= Max, V
DD
DD
DD
IN
= 0 V
A
= –40 C to
REV. B