AD1848 データシートの表示（PDF） - Analog Devices
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AD1848 Datasheet PDF : 28 Pages
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AD1848K
DAC ATTENUATOR
Min
Step Size (0 dB to –34.5 dB)
1.3
Step Size (–60 dB to –94.5 dB)*
1.0
Output Attenuation Range Span*
93.5
ANALOG OUTPUT
Min
Full-Scale Output Voltage
1.85
Output Impedance
External Load Impedance
10
Output Capacitance
External Load Capacitance
VREF
2.10
VREF Current Drive
VREF Output Impedance
Mute Attenuation of 0 dB
Fundamental* (OUT)
Mute Click
(|Muted Output Minus Unmuted
Midscale DAC Output|)
SYSTEM SPECIFICATIONS
Min
Peak-to-Peak Frequency Response Ripple*
(Line In to Line Out)
Differential Nonlinearity*
Phase Linearity Deviation*
STATIC DIGITAL SPECIFICATIONS
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)
Typ
Max
1.5
1.7
1.5
2.0
94.5
95.5
Typ
Max
0.707
2.0
2.1
600
15
100
2.25
2.40
100
4
–80
5
Typ
Min
2.4
2.4
–0.3
2.4
–10
–10
Max
1.0
±1
5
Max
(VD+) + 0 3
(VD+) + 0 3
0.8
0.4
10
10
Units
dB
dB
dB
Units
Vrms
V p-p
Ω
kΩ
pF
pF
V
µA
kΩ
dB
mV
Units
dB
Bit
Degrees
Units
V
V
V
V
V
µA
µA
–4–
REV. 0
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