ad1848 Analog Devices, Inc., ad1848 Datasheet - Page 4

• Manufacturer Part Number: ad1848
• Description: Parallel-port 16-bit Soundport Stereo Codec
• Manufacturer: Analog Devices, Inc.

AD1848K
DAC ATTENUATOR
Step Size (0 dB to –34.5 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
V
V
V
Mute Attenuation of 0 dB
Mute Click
SYSTEM SPECIFICATIONS
Peak-to-Peak Frequency Response Ripple*
Differential Nonlinearity*
Phase Linearity Deviation*
STATIC DIGITAL SPECIFICATIONS
High Level Input Voltage (V
Low Level Input Voltage (V
High Level Output Voltage (V
Low Level Output Voltage (V
Input Leakage Current
Output Leakage Current
REF
REF
REF
Fundamental* (OUT)
(|Muted Output Minus Unmuted
Midscale DAC Output|)
(Line In to Line Out)
Digital Inputs
XTAL1/2I
(GO/NOGO Tested)
(GO/NOGO Tested)
Current Drive
Output Impedance
IL
IH
)
OL
OH
)
) at I
) at I
OL
OH
= 2 mA
= –2 mA
Min
1.3
1.0
93.5
Min
1.85
10
2.10
Min
–4–
Min
2.4
2.4
–0.3
2.4
–10
–10
Typ
1.5
1.5
94.5
Typ
0.707
2.0
2.25
100
4
Typ
Max
(VD+) + 0 3
(VD+) + 0 3
0.8
0.4
10
10
Max
1.7
2.0
95.5
Max
2.1
600
15
100
2.40
–80
5
Max
1.0
5
1
Units
dB
dB
dB
Units
Vrms
V p-p
k
pF
pF
V
k
dB
Units
dB
Bit
Degrees
Units
V
V
V
V
mV
V
A
A
A
REV. 0