AD1934 查看數據表（PDF） - Analog Devices
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AD1934 Datasheet PDF : 28 Pages
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AD1934
SPECIFICATIONS
TEST CONDITIONS
Performance of all channels is identical, exclusive of the interchannel gain mismatch and interchannel phase deviation specifications.
Supply Voltages (AVDD, DVDD)
Temperature Range1
Master Clock
Input Sample Rate
Measurement Bandwidth
Word Width
Load Capacitance (Digital Output)
Load Current (Digital Output)
Input Voltage HI
Input Voltage LO
3.3 V
As specified in Table 1 and Table 2
12.288 MHz (48 kHz fS, 256 × fS mode)
48 kHz
20 Hz to 20 kHz
24 bits
20 pF
±1 mA or 1.5 kΩ to ½ DVDD supply
2.0 V
0.8 V
1 Functionally guaranteed at −40°C to +125°C case temperature.
ANALOG PERFORMANCE SPECIFICATIONS
Specifications guaranteed at 25°C (ambient).
Table 1.
Parameter
DIGITAL-TO-ANALOG CONVERTERS
Dynamic Range
No Filter (RMS)
With A-Weighted Filter (RMS)
With A-Weighted Filter (Average)
Total Harmonic Distortion + Noise
Single-Ended Version
Full-Scale Output Voltage
Gain Error
Interchannel Gain Mismatch
Offset Error
Gain Drift
Interchannel Isolation
Interchannel Phase Deviation
Volume Control Step
Volume Control Range
De-emphasis Gain Error
Output Resistance at Each Pin
REFERENCE
Internal Reference Voltage
External Reference Voltage
Common-Mode Reference Output
Conditions/Comments
20 Hz to 20 kHz, −60 dB input
0 dBFS
Two channels running
Eight channels running
FILTR pin
FILTR pin
CM pin
Min Typ
Max Unit
98
104
100 106
108
−92
−86
0.88 (2.48)
−10
−0.2
−16 −4
−30
100
0
0.375
95
100
1.50
1.32 1.50
1.50
dB
dB
dB
dB
−75 dB
V rms (V p-p)
+10 %
+0.2 dB
+16 mV
+30 ppm/°C
dB
Degrees
dB
dB
±0.6 dB
Ω
V
1.68 V
V
Rev. 0 | Page 3 of 28
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