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AD1940 Fiches technique(PDF) 3 Page - Analog Devices

No de pièce AD1940
Description  SigmaDSP Multichannel 28-Bit Audio Processor
Download  36 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD1940 Fiches technique(HTML) 3 Page - Analog Devices

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AD1940/AD1941
Rev. B | Page 3 of 3
6
SPECIFICATIONS
Test conditions, unless otherwise noted.
Table 1.
Parameter
Conditions
Supply Voltage (VDD)
2.5 V
PLL Voltage (PLL_VDD)
2.5 V
Output Voltage (ODVDD)
5.0 V
INVDD Voltage
5.0 V
Ambient Temperature
25°C
Master Clock Input
3.072 MHz, 64 × fs mode
Load Capacitance
50 pF
Load Current
±1 mA
Input Voltage, HI
2.4 V
Input Voltage, LO
0.8 V
DIGITAL I/O
VDD = 2.25 V to 2.75 V. Specifications measured across −40°C to 125°C (case).
Table 2.
Parameter
Comments
Min
Max
Unit
Input Voltage, HI (VIH)
2.1
V
Input Voltage, LO (VIL)
0.8
V
Input Leakage (IIH)
10
μA
Input Leakage (IIL)
10
μA
High Level Output Voltage (VOH)
ODVDD = 4.5 V, IOH = 1 mA
3.9
V
High Level Output Voltage (VOH)
ODVDD = 3.0 V, IOH = 1 mA
2.6
V
Low Level Output Voltage (VOL)
ODVDD = 4.5 V, IOL = 1 mA1
0.4
V
Low Level Output Voltage (VOL)
ODVDD = 3.0 V, IOL = 1 mA1
0.3
V
Input Capacitance
5
pF
1 SDA is measured with a 3 mA sink current.
POWER
Table 3.
Parameter
Min
Typ
Max1
Unit
SUPPLIES
Voltage
2.25
2.5
2.75
V
Digital Current
92
1552
mA
PLL Current
3.5
8
mA
Digital Current, Reset
4.53
133
mA
PLL Current, Reset
3
8.5
mA
DISSIPATION
Operation, All Supplies
238.8
mW
Reset, All Supplies
10.8
mW
1 Maximum specifications are measured across
−40°C to 125°C (case) and across VDD = 2.25 V to 2.75 V.
2 Measurement running a typical large program that writes to all 16 outputs with 0 dB digital sine waves applied to all eight inputs. The end user’s program may differ.
3 The digital reset current is specified for the given test conditions. This current scales with the input MCLK rate, so higher input clocks draw more current while in reset.


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