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参数资料
| 型号： | ADMCF328BR |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 数字信号处理 |
| 英文描述： | 0-BIT, 10 MHz, OTHER DSP, PDSO28 |
| 封装： | SOIC-28 |
| 文件页数： | 12/36页 |
| 文件大小： | 993K |
| 代理商： | ADMCF328BR |
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–2–
REV. A
ADMCF328–SPECIFICATIONS
(VDD = 5 V
5%, GND = 0 V, TA = –40 C to +85 C, 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, VAUX0, VAUX1, VAUX2
–0.4
0
V
ISENSE
Resolution
1
12
Bits
Linearity Error
2
24
Bits
Zero Offset
2
–20
0
+20
mV
Channel-to-Channel Comparator Match
2
20
mV
Comparator Delay
600
ns
ADC High Level Input Current
2
10
AV
IN = 3.5 V
ADC Low Level Input Current
2
–10
AVIN = 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.
Specications subject to change without notice.
ELECTRICAL CHARACTERISTICS
Parameter
Min
Typ
Max
Unit
Conditions/Comments
VIL
Low Level Input Voltage
0.8
V
VIH
High Level Input Voltage
2
V
VOL
Low Level Output Voltage
1
0.4
V
IOL = 2 mA
VOL
Low Level Output Voltage
2
0.8
V
IOL = 2 mA
VOH
High Level Output Voltage
4
V
IOH = –0.5 mA
IIL
Low Level Input Current
3
–120
AVIN = 0 V
IIL
Low Level Input Current
–10
AV
IN = 0 V
IIH
High Level Input Current
4
90
AV
IN = VDD
IIH
High Level Input Current
10
AVIN = VDD
IOZH
High Level Three-State Leakage Current
5
90
AVIN = VDD
IOZL
Low Level Three-State Leakage Current
5
–10
AV
IN = 0
IIL
Low Level
PWMTRIP Current
–10
A@ V
DD = Max, VIN = 0 V
IDD
Supply Current (Idle)
6
41
mA
IDD
Supply Current (Dynamic)
6
108
mA
IDD
Supply Current (Programming)
6
123
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.
Specications subject to change without notice.
CURRENT SOURCE1
Parameter
Min
Typ
Max
Unit
Conditions/Comments
Programming Resolution
3
Bits
Default Current
2
65
83
95
AICONST_TRIM = 0x00
Tuned Current
95
100
105
A
NOTES
1For ADC Calibration.
20.3 V to 3.5 V ICONST Voltage.
Specications subject to change without notice.
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相关代理商/技术参数 |
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