92HD87 Datasheet, PDF (36/204 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
Full Scale Input Voltage
0dB Boost
(input voltage required to generate
0dBFS per AES 17)
5V
4.75V
1.05
1.05
Dynamic Range¹, All Analog Inputs to A/D ^{High Pass Filer Enabled, -60dB FS, 5V}
86
No boost
4.75V 86
SNR²- All Analog Inputs to A/D
High Pass Filter enabled
5V
86
4.75V 86
Full Scale Input Voltage
20dB Boost
(input voltage required to generate
0dBFS per AES 17)
5V 0.105
4.75V 0.105
Dynamic Range¹, All Analog Inputs to A/D
20dB Boost
5V
81
High Pass Filter Enabled, -60dB FS 4.75V 81
THD+N³ All Analog Inputs to A/D
High Pass Filter enabled, -1/-3dB FS 5V
78
signal level
4.75V 78
THD+N³ All Analog Inputs to A/D
20dB Boost, High Pass Filter
5V
72
enabled, -1/-3dB FS signal level 4.75V 72
Analog Frequency Response⁸
All
10
A/D Digital Filter Pass Band⁴
All
20
A/D Digital Filter Pass Band Ripple⁵
All
A/D Digital Filter Transition Band
All 21,000
A/D Digital Filter Stop Band
All 31,000
A/D Digital Filter Stop Band Rejection⁶
All -100
Group Delay
48 KHz sample rate
All
-
Any unselected analog Input to ADC
Crosstalk
10KHz Signal Frequency
All
-65
Any unselected analog Input to ADC
Crosstalk
1KHz Signal Frequency
All
-65
ADC L/R crosstalk
Any selected input to ADC 20-15Khz All
-65
DAC to ADC crosstalk
DAC output 0dBFS. All outputs
loaded. Input to ADC open. 20-15Khz
All
-65
Spurious Tone Rejection⁹
All
-
Attenuation, Gain Step Size
(analog)
All
-
Interchannel Gain Mismatch ADC
All
-
Power Supply
Power Supply Rejection Ratio
10kHz
All
-
Power Supply Rejection Ratio
D0 Didd¹⁰
D0 Aidd¹⁰
D0 Didd¹¹
D0 Aidd¹¹
D1 Didd¹²
1kHz
3.3V, 1.8V, 1.5V
4.75V
3.3V, 1.8V, 1.5V
4.75V
3.3V, 1.8V, 1.5V
All
-
Table 13. 92HD87 Analog Performance Characteristics
Typ
92
92
-
-
-
-
-
-
-
-
-
-100
1.5
-
-60
-70
25
60
20
34
7
Max
30,000
21,000
0.1
31,000
-
-
1
-
-
-
-
0.5
-
-
Unit
dB
dB
dB
dB
Hz
Hz
+/- dB
Hz
Hz
dB
ms
dB
dB
dB
dB
dB
dB
dB
dB
dB
mA
mA
mA
mA
mA
IDT CONFIDENTIAL
36
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD87