ADMCF327 Просмотр технического описания (PDF) - Analog Devices
Номер в каталоге
Компоненты Описание
производитель
ADMCF327 Datasheet PDF : 36 Pages
| |||
ADMCF327–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
Signal Input
Resolution1
Linearity Error2
Zero Offset2
Channel-to-Channel Comparator Match2
Comparator Delay
ADC High Level Input Current2
ADC Low Level Input Current2
0.3
3.5
V
12
Bits
2
4
Bits
–20 0
+20 mV
20
mV
600
ns
10
µA
–10
µA
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, V3, VAUX0, VAUX1, VAUX2.
Specifications subject to change without notice.
Conditions/Comments
V1, V2, V3, VAUX0, VAUX1, VAUX2
VIN = 3.5 V
VIN = 0.0 V
ELECTRICAL CHARACTERISTICS
Parameter
VIL Low Level Input Voltage
VIH High Level Input Voltage
VOL Low Level Output Voltage1
VOL Low Level Output Voltage 2
VOH High Level Output Voltage
IIL
Low Level Input Current3
IIL Low Level Input Current
IIH High Level Input Current4
IIH High Level Input Current
IOZH High Level Three-State Leakage Current5
IOZL Low Level Three-State Leakage Current5
IIL
Low Level PWMTRIP Current
IDD Supply Current (Idle)6
IDD Supply Current (Dynamic)6
Supply Current Programming6
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
Min Typ
2
4
–120
–10
–10
–10
Max
0.8
0.4
0.8
90
10
90
41
108
123
Unit
V
V
V
V
V
µA
µA
µA
µA
µA
µA
µA
mA
mA
mA
Conditions/Comments
IOL = 2 mA
IOL = 2 mA
IOH = –0.5 mA
VIN = 0 V
VIN = 0 V
VIN = VDD
VIN = VDD
VIN = VDD
VIN = 0
@ VDD = Max, VIN = 0 V
Parameter
Programming Resolution
Default Current2
Tuned Current
NOTES
1For ADC Calibration.
20.3 V to 3.5 V ICONST Voltage.
Specifications subject to change without notice.
Min Typ Max Unit Conditions/Comments
3
Bits
65
83
95
µA
ICONST_TRIM = 0x00
95
100 105 µA
–2–
REV. 0
Share Link: 