ad1988a Analog Devices, Inc., ad1988a Datasheet - Page 5

• Manufacturer Part Number: ad1988a
• Description: High Definition Audio Soundmax Codec
• Manufacturer: Analog Devices, Inc.

Parameter
ANALOG LINE LEVEL OUTPUTS
ANALOG HP DRIVE OUTPUTS
ANALOG INPUTS
ANALOG INPUT PERFORMANCE
STATIC DIGITAL SPECIFICATIONS
Full-Scale Output Voltage
PORT-C, PORT-E, PORT-F, PORT-G, PORT-H, and
MONO_OUT
Output Impedance
Total Harmonic Distortion (THD+N)
Dynamic Range
Full-Scale Output Voltage
Output Impedance
Total Harmonic Distortion (THD+N)
Dynamic Range
PORT-G, PORT-H, or CD
Microphone Boost Amplifiers
Input Impedance
Input Capacitance
Total Harmonic Distortion Plus Noise (THD+N)
Dynamic Range
Signal-to-Noise Ratio (SNR)
Digital I/O (DV
V
V
V
V
IH
IL
OH
OL
External Total Load Impedance
Output Capacitance
External Load Capacitance
External Load Impedance
Output Capacitance
External Load Capacitance
PORT-A, PORT-B, PORT-C, PORT-D, PORT-E, or PORT-F
PORT-A, PORT-B, and PORT-D
PCBEEP
PORT-G, PORT-H
All others (with 0 dB boost)
IO
)
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
Conditions/Comments
Line out drive enabled
When ports are used as line level outputs
−60 dB reference to f
Output drive enabled
When ports are used as outputs
10 kΩ load
32 Ω load
−60 dB reference to f
32 Ω loads
When ports are used as inputs
0 dB boost
+10 dB boost
+20 dB boost
+30 dB boost
−60 dB in reference to f
DV
IO
Rev. 0 | Page 5 of 20
@ 3.3 V ± 10%
S
S
A-weighted
A-weighted, 10 kΩ or
S
A-weighted
Min
1.0
2.83
10
1.0
2.83
32
2.97
AD1988A/AD1988B
AD1988A/
AD1988B Max
300
15
−85/−85
+95/+101
15
−83/−84
−83/−84
+95/+101
1
2.83
2.83
0.894
0.283
0.089
23
60
150
5
−81/−82
+90/+92
+90/+92
3.3
2.0
0.8
2.4
0.6
1
0.316
0.1
0.032
Typ
1000
0.5
1000
7.5
3.63
Unit
V rms
V p-p
Ω
kΩ
pF
pF
dB
dB
V rms
V p-p
Ω
Ω
pF
pF
dB
dB
dB
V rms
V p-p
V rms
V p-p
V rms
V p-p
V rms
V p-p
V rms
V p-p
kΩ
kΩ
kΩ
pF
dB
dB
dB
V
V
V
V
V
3
3
3
3
3
3
3