adau1442 Analog Devices, Inc., adau1442 Datasheet - Page 4

• Manufacturer Part Number: adau1442
• Description: Sigmadsp Digital Audio Processor With Flexible Audio Routing Matrix
• Manufacturer: Analog Devices, Inc.

AVDD = 3.3 V, DVDD = 1.8 V, PVDD = 3.3 V, IOVDD = 3.3 V, T
unless otherwise noted.
Table 1.
Parameter
ANALOG PERFORMANCE
DIGITAL I/O
POWER
Auxiliary Analog Inputs
Voltage Reference
Input Voltage, High (V
Input Voltage, Low (V
Input Leakage, High (I
Input Leakage, Low (I
High Level Output Voltage (V
Low Level Output Voltage (V
Input Capacitance
Multipurpose Pins Output Drive
Supply Voltage
Supply Current
Full-Scale Analog Input
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
Offset
Input Impedance
Sample Rate
Analog Voltage (AVDD)
Digital Voltage (DVDD)
PLL Voltage (PVDD)
IOVDD Voltage (IOVDD)
Analog Current (AVDD)
PLL Current (PVDD)
Digital Current (DVDD) of ADAU1442,
Digital Current (DVDD) of ADAU1446
I/O Current (IOVDD)
Analog Current, Reset
Digital Current, Reset
ADAU1445
1
IL
IL
IH
IH
)
)
)
)
OL
OH
)
)
Min
2.0
0.9 × IOVDD
2
200, TBD
100, TBD
Rev. PrA | Page 4 of 92
A
= 25°C, master clock input = 12.288 MHz,
Typical
3.3
0.5
1.0
15, TBD
200
f
1
1
5
3.3
1.8
3.3
1.8, TBD
2, TBD
6, TBD
8, TBD
TBD
TBD
CORE
/3584
Max
IOVDD
0.8
0.1 × IOVDD
6
3.3, TBD
445, TBD
180, TBD
Unit
V
LSB
LSB
mV
kΩ
kHz
V
V
μA
μA
V
V
pF
mA
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
core clock f
Test Conditions/Comments
Not measured directly,
but guaranteed by design.
Calculated from equivalent
circuit.
4-channel, multiplexed, each
channel at f
f
channel is sampled at 12 kHz.
I
I
Not measured directly,
but guaranteed by design.
Calculated from equivalent
circuit.
These pins are not designed
for static current draw and
should not drive LEDs directly.
Min: minimal program
loaded, one serial port
active, no ASRCs active.
Max: full program loaded,
all serial ports active, all
ASRCs active.
Min: minimal program
loaded, one serial port
active. Max: full program
loaded, all serial ports active.
OH
OL
CORE
= 1 mA.
= 1 mA.
= 172.032 MHz, each
CORE
= 172.032 MHz,
CORE
/14,366. For