92HD87 Datasheet, PDF (35/204 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
Parameter
Conditions
AVdd Min Typ
Full Scale All Mono/Line-Outs
DAC PCM Data
5V 1.00
4.75V 1.00
-
Full Scale All Mono/Line-Outs
DAC PCM Data
5V 2.83
4.75V 2.83
-
All Headphone Capable Outputs
32load
5V
40
60
4.75V 40
60
Amplifier output impedance
Mono/Line Outputs
Headphone Outputs
All
150
0.1
External load Capacitance
Mono/Line Outputs
Headphone Outputs
220
Analog inputs
Full Scale Input Voltage
0dB Boost @4.75V
(input voltage required for 0dB FS
output)
5V
4.75V 1.05
-
All Analog Inputs with boost
10dB Boost
5V
4.75V 0.320
-
All Analog Inputs with boost
20dB Boost
5V
4.75V 0.105
-
All Analog Inputs with boost
30dB Boost
5V
4.75V 0.032
-
Boost Gain Accuracy
All
-1
Input Impedance
All
-
50
Input Capacitance
All
-
15
Analog Mixer
Dynamic Range: PCM to All Analog
Outputs
-60dB FS signal level Analog Beep 5V
93
enabled all other mixer inputs mute 4.75V 93
SNR² - All Line-Inputs to all Line Outputs ^{All inputs unmuted, single line input 5V}
85
driven by ATE.
4.75V 85
-
THD+N³ - All Line-Inputs to all Line
Outputs
0dB Full Scale Input on one input, all 5V
65
others silent.
4.75V 65
-
SNR² - DAC to All Line Outputs
Analog Mixer Enabled, PCM data, all 5V
93
others inputes mute.
4.75V 93
-
THD+N³ - DAC to All Line-Out Ports
Analog Mixer Enabled, 0/-1/-3dB FS
signal, PCM data, all others inputes
unmute/silent
5V
4.75V
83
83
SNR² - DAC to All Ports
Analog Mixer Enabled, PCM data, all 5V
85
others inputes unmute/silent.
4.75V 85
-
THD+N³ - DAC to All Ports
Analog Mixer Enabled, 0dB FS
Signal, PCM data, all others inputes
unmute/silent
5V
4.75V
75
75
-
Attenuation, Gain Step Size ANALOG
All
-
1.5
Analog to Digital Converter
Resolution
All
24
Table 13. 92HD87 Analog Performance Characteristics
Max
-
-
-
-
-
-
-
-
-
-
Unit
Vrms
Vp-p
mW
(peak)
Ohms
pF
Vrms
Vrms
Vrms
Vrms
dB
K
pF
dB
dBr
dB
dBr
dB
dBr
dB
Bits
IDT CONFIDENTIAL
35
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD87