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AD1970 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD1970
Description  Digital BTSC Encoder with Integrated ADC and DAC
Download  20 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD1970 Datasheet(HTML) 3 Page - Analog Devices

 
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AD1970
Rev. 0 | Page 3 of 20
SPECIFICATIONS
Test conditions, unless otherwise noted
Table 1.
Parameters
Conditions
Unit
Supply Voltages (AVDD, DVDD)
3.3
V
Ambient Temperature
25
°C
Input Signal
1 kHz, 0.8 VRMS analog, 0 dBFS digital
Hz, V rms, dBFS
Input Sample Rate
48
kHz
Measurement Bandwidth
20 Hz to 14 kHz
kHz
Word Width
24
Bits
Load Capacitance
50
pF
Load Current
±1
mA
Input Voltage High
2.0
V
Input Voltage Low
0.8
V
Table 2. Analog Input Performance
Parameter
Min
Typ
Max
Unit
Maximum Input Level
1.0 (2.8)
V rms (V p-p)
Output Level
250
mV rms
Dynamic Range (20 Hz to 14 kHz, –60 dB Input) (Encoded Output, Left = Right)
68
74
dB
THD + Noise (Encoded Output, Left = Right, 20 Hz to 14 kHz)
VIN = 0 dBV rms
–72
–65
dB
Table 3. Digital Input Performance
Parameter
Min
Typ
Max
Unit
Resolution
24
Bits
Output Level
250
mV rms
Dynamic Range (20 Hz to 14 kHz, –60 dB Input) (Encoded Output, Left = Right)
81
87
dB
THD + Noise (Encoded Output, Left = Right, 20 Hz to 14 kHz)
VIN = 0 dBFS
–83
–74
dB
Table 4. Video Input
Parameter
Min
Typ
Max
Unit
Input Signal Level
0.35
1.0
VP-P
Input Impedance
2
kΩ
Table 5. Crystal Oscillator
Parameter
Min
Typ
Max
Unit
Transconductance
7
10
13
mmhos


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