AD1812 Просмотр технического описания (PDF) - Analog Devices
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AD1812 Datasheet PDF : 20 Pages
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AD1812–SPECIFICATIONS
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
Temperature
0
°C
Digital Supply (VDD)
5.0
V
Analog Supply (VCC)
5.0
V
Sample Rate (FS)
Input Signal
Analog Output Passband
VIH
48
kHz
1008
Hz
20 Hz to 20 kHz
2.0
V
VIL
0.8
V
VOH
2.4
V
VOL
0.4
V
DAC Test Conditions
Calibrated
0 dB Attenuation
Input Full Scale
16-Bit Linear Mode
10 kΩ Output Load
Mute Off
ADC Test Conditions
Calibrated
0 dB Gain
Input –1.0 dB Relative to Full Scale
Line Input Selected
16-Bit Linear Mode
ANALOG INPUT
Parameter
Input Voltage (RMS Values Assume Sine Wave Input)
LINE, AUX1, MONO_IN, AUX2, DACIN
MIC with +20 dB Gain (MGE = 1)
MIC with 0 dB Gain (MGE = 0)
Input Impedance*
Input Capacitance*
Min
2.55
0.250
2.55
10
Typ
1
2.83
0.1
0.283
1
2.83
17
Max
3.11
0.316
3.11
15
PROGRAMMABLE GAIN AMPLIFIER—ADC
Parameter
Step Size (0 dB to 22.5 dB)
(All Steps Tested)
PGA Gain Range Span
Min
Typ
Max
1.3
1.5
1.7
21.5
22.5
23.5
AUXILIARY, LINE, MICROPHONE AND MONO INPUT ANALOG GAIN/AMPLIFIERS/ATTENUATORS
Parameter
Min
Typ
Max
Step Size: AUX1, AUX2, DACIN, LINE, MIC (All Steps Tested)
(+12 dB to –30 dB)
1.25
1.5
1.75
(–31.5 dB to –34.5 dB)
1
1.5
2.0
Input Gain/Attenuation Range: AUX1, AUX2, DACIN, LINE, MIC
45.0
46.5
47.5
Step Size: MONO_IN (All Steps Tested)
(0 dB to –39 dB)
2.5
3.0
3.6
(–42 dB to –45 dB)
2.2
3.0
3.85
Input Gain/Attenuation Range: MONO_IN
43
45
46
DIGITAL DECIMATION AND INTERPOLATION FILTERS*
Parameter
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
*Guaranteed not tested.
Specifications subject to change without notice.
–2–
Min
Typ
0
0.4 × FS
0.6 × FS
74
Max
0.4 × FS
± 0.1
0.6 × FS
∞
15/FS
0.0
Units
V rms
V p-p
V rms
V p-p
V rms
V p-p
kΩ
pF
Units
dB
dB
Units
dB
dB
dB
dB
dB
dB
Units
Hz
dB
Hz
Hz
dB
sec
µs
REV. 0
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