Datasheet

AD1937
Rev. B | Page 6 of 36
DIGITAL SPECIFICATIONS
−40°C < T
C
< +125°C, DVDD = 3.3 V ± 10%.
Table 5.
Parameter Conditions/Comments Min Typ Max Unit
INPUT
High Level Input Voltage (V
IH
) 2.0 V
MCLKI/MCLKXI pin 2.2 V
Low Level Input Voltage (V
IL
) 0.8 V
Input Leakage I
IH
@ V
IH
= 2.4 V 10 μA
I
IL
@ V
IL
= 0.8 V 10 μA
Input Capacitance 5 pF
OUTPUT
High Level Output Voltage (V
OH
) I
OH
= 1 mA DVDD − 0.60 V
Low Level Output Voltage (V
OL
) I
OL
= 1 mA 0.4 V
POWER SUPPLY SPECIFICATIONS
Table 6.
Parameter Conditions/Comments Min Typ Max Unit
SUPPLIES
Voltage DVDD 3.0 3.3 3.6 V
AVDD 3.0 3.3 3.6 V
VSUPPLY 4.5 5.0 5.5 V
Digital Current Master clock = 256 f
S
Normal Operation f
S
= 48 kHz 56 mA
f
S
= 96 kHz 65 mA
f
S
= 192 kHz 95 mA
Power-Down f
S
= 48 kHz to 192 kHz 2.0 mA
Analog Current
Normal Operation 74 mA
Power-Down 23 mA
DISSIPATION
Operation Master clock = 256 f
S
, 48 kHz
All Supplies 429 mW
Digital Supply 185 mW
Analog Supply 244 mW
Power-Down, All Supplies 83 mW
POWER SUPPLY REJECTION RATIO
Signal at Analog Supply Pins 1 kHz, 200 mV p-p 50 dB
20 kHz, 200 mV p-p 50 dB