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AD1941 Datasheet(PDF) 3 Page - Analog Devices

Part # AD1941
Description  SigmaDSP-TM Multichannel 28-Bit Audio Processor
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD1941 Datasheet(HTML) 3 Page - Analog Devices

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Preliminary Technical Data
AD1941
Rev. PrE | Page 3 of 32
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
Table 2. Digital I/O1
Parameter
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 mA
0.4
V
Low Level Output Voltage (VOL) ODVDD = 3.0 V, IOL = 1 mA
0.3
V
Input Capacitance
5
pF
1 All measurements across −40°C to 125°C (case) and across VDD = 2.25 V to 2.75 V.
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. Your 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.
TEMPERATURE RANGE
Table 4.
Parameter
Min
Typ
Max
Unit
Functionality Guaranteed
–40
+105
°C Ambient
–40
+125
°C Case



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