AD1846 Analog Devices, AD1846 Datasheet - Page 4

• Manufacturer Part Number: AD1846
• Description: Low Cost Parallel-port 16-bit Soundport Stereo Codec
• Manufacturer: Analog Devices

AD1846
DAC ATTENUATOR
Step Size (0 dB to –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
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
DIGITAL MIX ATTENUATOR
Step Size (0 dB to –94 dB)
Output Attenuation Range Span*
*Guaranteed, not tested.
REF
REF
REF
(Tested at Steps 0 dB, –19.5 dB and –60 dB)
Fundamental* (OUT)
(|Muted Output Minus Unmuted
Midscale DAC Output|)
(Line In to Line Out)
Digital Inputs
XTAL1/2I
(GO/NOGO Tested)
(GO/NOGO Tested)
(Tested at Steps 0 dB, –19.5 dB)
Current Drive
Output Impedance
IL
IH
)
OL
OH
)
) at I
) at I
OL
OH
= 2 mA
= –2 mA
Min
Min
1.3
1.0
93.5
Min
1.8
10
2.00
Min
1.0
–93.5
–4–
Min
2.4
2.4
–0.3
2.4
–10
–10
Typ
Typ
1.5
1.5
94.5
Typ
0.707
2.0
2.25
100
4
Typ
1.5
Max
(V
(V
0.8
0.4
10
10
Max
1.0
5
DD
DD
1
Max
1.7
2.0
95.5
Max
2.2
600
15
100
2.50
–80
5
Max
2.0
95.5
) + 0.3
) + 0.3
dB
Units
Bit
Degrees
Units
dB
dB
dB
Units
V rms
V p-p
k
pF
pF
V
k
dB
mV
Units
V
V
V
V
V
Units
dB
dB
REV. A
A
A
A