AD1846 Ver la hoja de datos (PDF) - Analog Devices
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AD1846 Datasheet PDF : 28 Pages
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AD1846
DAC ATTENUATOR
Step Size (0 dB to –60 dB)
(Tested at Steps 0 dB, –19.5 dB and –60 dB)
Step Size (–60 dB to –94.5 dB)*
Output Attenuation Range Span*
ANALOG OUTPUT
Full-Scale Output Voltage
Output Impedance*
External Load Impedance
Output Capacitance*
External Load Capacitance
VREF
VREF Current Drive
VREF Output Impedance
Mute Attenuation of 0 dB
Fundamental* (OUT)
Mute Click
(|Muted Output Minus Unmuted
Midscale DAC Output|)
SYSTEM SPECIFICATIONS
Peak-to-Peak Frequency Response Ripple*
(Line In to Line Out)
Differential Nonlinearity*
Phase Linearity Deviation*
STATIC DIGITAL SPECIFICATIONS
Min
1.3
1.0
93.5
Min
1.8
10
2.00
Min
High Level Input Voltage (VIH)
Digital Inputs
XTAL1/2I
Low Level Input Voltage (VIL)
High Level Output Voltage (VOH) at IOH = –2 mA
Low Level Output Voltage (VOL) at IOL = 2 mA
Input Leakage Current
(GO/NOGO Tested)
Output Leakage Current
(GO/NOGO Tested)
DIGITAL MIX ATTENUATOR
Step Size (0 dB to –94 dB)
(Tested at Steps 0 dB, –19.5 dB)
Output Attenuation Range Span*
*Guaranteed, not tested.
Min
1.0
–93.5
Typ
1.5
1.5
94.5
Typ
0.707
2.0
2.25
100
4
Typ
Min
2.4
2.4
–0.3
2.4
–10
–10
Typ
1.5
–4–
Max
1.7
2.0
95.5
Max
2.2
600
15
100
2.50
–80
5
Max
1.0
±1
5
Max
(VDD) + 0.3
(VDD) + 0.3
0.8
0.4
10
10
Max
2.0
95.5
Units
dB
dB
dB
Units
V rms
V p-p
Ω
kΩ
pF
pF
V
µA
kΩ
dB
mV
Units
dB
Bit
Degrees
Units
V
V
V
V
V
µA
µA
Units
dB
dB
REV. A
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