ad1989a Conexant Systems, Inc., ad1989a Datasheet - Page 11

• Manufacturer Part Number: ad1989a
• Description: Ad1989a High Definition Audio Soundmax Codec
• Manufacturer: Conexant Systems, Inc.

AD1989A Data Sheet
Table 6.
DSH-202088A
3/2/09
Signal-to-Noise Reduction (SNR) Input to Output
Step Size: All Mixer Inputs
Input Gain/Attenuation Range: All Mixer Inputs
Full-Scale Output Voltage: Line-Out Drive Enabled
Ports A, D, E, F, and Mono Out
Full-Scale Output Voltage: Line-Out Drive Enabled
Input Voltages—Ports A, B, C, or E
Input Voltages—Microphone Boost
Amplifier, Ports B, C, or E
Input Impedance
Input Capacitance
PCBEEP
Ports A, B, C, E (Mic Boost = 0 dB)
General Specifications (2 of 4)
(1)
Parameter
Output Impedance
External Load Impedance
Output Capacitance
External Load Capacitance
Output Impedance
External Load Impedance
Output Capacitance
External Load Capacitance
Mic Boost = 0 dB
Mic Boost = +10 dB
Mic Boost = +20 dB
Mic Boost = +30 dB
Analog Line Level Outputs
Analog HP Drive Outputs
Analog Inputs
Conexant
Analog Mixer
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
–34.5
1.0
2.83
10
1.0
32
Min
High Definition Audio SoundMAX Codec
1.5
190
15
15
1
2.83
0.316
0.894
0.1
0.283
0.032
0.089
23
150
5
95
Typ
+12.0
1000
0.5
1000
7.5
Max
Vrms
V p-p
Vrms
V p-p
Vrms
V p-p
Vrms
V p-p
Vrms
V p-p
Vrms
dB
dB
dB
Ω
kΩ
pF
pF
Ω
Ω
pF
pF
kΩ
kΩ
pF
Unit
(3)
(3)
(3)
(3)
(3)
11
(3)