Datasheet

AD1933 Data Sheet
Rev. E | Page 4 of 28
Specifications measured at a case temperature of 125°C.
Table 2.
Parameter Test Conditions/Comments Min Typ Max Unit
DIGITAL-TO-ANALOG CONVERTERS
Dynamic Range 20 Hz to 20 kHz, −60 dB input
No Filter (RMS) 101 107 dB
With A-Weighted Filter (RMS)
104
110
dB
With A-Weighted Filter (Average) 112 dB
Total Harmonic Distortion + Noise 0 dBFS
Differential Version Two channels running −94 dB
Eight channels running −86 −70 dB
Full-Scale Output Voltage
1.76 (4.96)
V rms (V p-p)
Gain Error −10 +10 %
Interchannel Gain Mismatch −0.2 +0.2 dB
Offset Error −25 −6 +25 mV
Gain Drift −30 +30 ppm/°C
REFERENCE
Internal Reference Voltage FILTR pin 1.50 V
External Reference Voltage FILTR pin 1.32 1.50 1.68 V
Common-Mode Reference Output CM pin 1.50 V
REGULATOR
Input Supply Voltage VSUPPLY pin 4.5 5.0 5.5 V
Regulated Supply Voltage VSENSE pin 3.2 3.43 3.65 V
CRYSTAL OSCILLATOR SPECIFICATIONS
Table 3.
Parameter
Min
Typ
Max
Unit
Transconductance 3.5 mmhos
DIGITAL INPUT/OUTPUT SPECIFICATIONS
−40°C < T
C
< +125°C, DVDD = 3.3 V ± 10%.
Table 4.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
High Level Input Voltage (V
IH
)
2.0
V
High Level Input Voltage (V
IH
) MCLKI/XI 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
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
Input Capacitance 5 pF