92HD99B Datasheet, PDF (39/225 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Parameter
Conditions
Min Typ Max Unit
All Headphone Capable Outputs
32load
40
60
-
mW
(peak)
Amplifier output impedance
Mono/Line Outputs
150
Headphone Outputs
0.1
Ohms
External load Capacitance
Mono/Line Outputs
Headphone Outputs
220
pF
Analog inputs
Full Scale Input Voltage
0dB Boost @4.75V
(input voltage required for 0dB FS output)
1.05
-
-
Vrms
All Analog Inputs with boost
10dB Boost
0.320
-
-
Vrms
All Analog Inputs with boost
20dB Boost
0.105
-
-
Vrms
All Analog Inputs with boost
30dB Boost
0.032
-
-
Vrms
Boost Gain Accuracy
-2
2
dB
Input Impedance
-
50
-
K
Input Capacitance
-
15
-
pF
Analog Mixer
Dynamic Range: PCM to All Analog
Outputs
-60dB FS signal level Analog Beep enabled all
other mixer inputs mute
95
dB
SNR² - All Line-Inputs to all Line Outputs ^{All inputs unmuted, single line input driven by}
ATE.
90
dB
THD+N³ - All Line-Inputs to all Line
Outputs
0dB Full Scale Input on one input, all others
silent.
83
dBr
SNR² - DAC to All Ports
Analog Mixer Enabled, PCM data, all others
inputs mute.
98
dB
THD+N³ - DAC to All Ports
Analog Mixer Enabled, 0dB FS Signal, PCM
data, all others inputs unmute/silent
85
dBr
Attenuation, Gain Step Size ANALOG
-
1.5
-
dB
Analog to Digital Converter
Resolution
24
Bits
Full Scale Input Voltage
0dB Boost (input voltage required to generate
0dBFS per AES 17)
1.05
Dynamic Range¹, All Analog Inputs to A/D ^{High Pass Filer Enabled, -60dB FS, No boost}
94
dB
Full Scale Input Voltage
20dB Boost (input voltage required to
generate 0dBFS per AES 17)
0.105
Dynamic Range¹, All Analog Inputs to A/D
20dB Boost
High Pass Filter Enabled, -60dB FS
90
dB
THD+N³ All Analog Inputs to A/D
High Pass Filter enabled, -3dB FS signal level
83
dB
THD+N³ All Analog Inputs to A/D
20dB Boost, High Pass Filter enabled, -3dB
FS signal level
80
dB
Analog Frequency Response⁸
10
-
30,000
Hz
A/D Digital Filter Pass Band⁴
20
-
21,000
Hz
A/D Digital Filter Pass Band Ripple⁵
0.1
+/- dB
Table 17. 92HD99 Analog Performance Characteristics
IDT CONFIDENTIAL
39
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V1.2 1/12
92HD99