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MC145073 bảng dữ liệu(PDF) 2 Page - Motorola, Inc

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Giải thích chi tiết về linh kiện  Dual 16-Bit Stereo Audio Sigma-Delta ADC
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MC145073
MOTOROLA
2
MAXIMUM RATINGS* (Voltages referenced to VSS, unless otherwise stated)
Symbol
Parameter
Value
Unit
VDD(A)
Analog Supply Voltage
6.0
V
VDD(D)
Digital Supply Voltage
6.0
V
Iin
DC Input Current, per Pin
± 20
mA
Vin(A)
Analog Input Voltage
VSS(A) – 0.3 to
VDD(A) + 0.3
V
Vin(D)
Digital Inputs
– 0.3 to VDD(D) + 0.3
V
Tstg
Storage Temperature
– 65 to 150
°C
Tl
Lead Temperature 1 mm From Case for
10 Seconds
260
°C
* Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Operation Ranges, Analog Specifications,
AC Electrical Characteristics, and DC Electrical Characteristics tables.
OPERATION RANGES
Symbol
Parameter
Min
Max
Unit
Note
VDD(A)
Analog Supply Voltage
4.5
5.5
V
VDD(D)
Digital Supply Voltage
4.5
5.5
V
Vin(A)
Analog Input Voltage (AIN(+L), AIN(–L), AIN(+R), AIN(–R))
1.9
V p–p
1
fCLK
CLK Frequency
3.072
18.432
MHz
2
CLOAD
Capacitive Load on Any Output
0
50
pF
Ta
Ambient Operating Temperature
– 40
85
°C
NOTES:
1. Differential inputs greater than 3.8 V p–p will overload the modulators. These voltages are subject to the gain error tolerance specifications
in the Analog Specifications table.
2. The internal clock frequency or input sampling frequency is governed by the divide mode and output data rate. The divide mode can be either
1, 2, or 3. The output data rate ranges from 24 kHz to 48 kHz. The minimum clock frequency of 3.072 MHz is for a 24 kHz output rate in the
clock divide by 1 mode. The maximum clock frequency of 18.432 MHz is for a 48 kHz output rate in the clock divide by 3 mode.
DC ELECTRICAL SPECIFICATIONS
(Voltages referenced to VSS(D); Full Temperature and Voltage Ranges per Operation Ranges Table, unless otherwise indicated.)
Symbol
Parameter
Min
Max
Unit
VIH
Minimum High–Level Digital Input Voltage
0.7 x VDD(D)
V
VIL
Maximum Low–Level Digital Input Voltage
0.3 x VDD(D)
V
IIN
Maximum Input Leakage Current
10
µA
VOH
Minimum High–Level Digital Output Voltage (IOH = – 20 µA)
4.4
V
VOL
Maximum Low–Level Digital Output Voltage (IOL = 20 µA)
0.1
V
IDDu(D)
Maximum Digital Power Supply Current, Operating
45
mA
IDDd(D)
Maximum Digital Power Supply Current, Power–Down
250
µA
IDDu(A)
Maximum Analog Power Supply Current, Operating
10
mA
IDDd(A)
Maximum Analog Power Supply Current, Power–Down
150
µA
PO
Power Consumption, Operating
250
mW
Ppd
Power Consumption, Power–Down
2.0
mW
Cin
Maximum Input Capacitance
20
pF
This device contains protection circuitry to
guard against damage due to high static volt-
ages or electric fields. However, precautions
must be taken to avoid applications of any volt-
age higher than maximum rated voltages to this
high–impedance circuit.


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