92hd99 Integrated Device Technology, 92hd99 Datasheet - Page 40
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92hd99
Manufacturer Part Number
92hd99
Description
Single Chip Pc Audio System Codec+speaker Amplifier+capless Hp+ldo
Manufacturer
Integrated Device Technology
Datasheet
1.92HD99.pdf
(226 pages)
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92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
Voltage Reference Outputs
Phased Locked Loop
ESD / Latchup
VREFOut
VREFOut Drive
VREFILT (VAG)
PLL lock time
PLL (or HD Audio Bit CLK) 24MHz clock
jitter
IEC1000-4-2
JESD22-A114-B
JESD22-C101
1.Dynamic Range is the ratio of the full scale signal to the noise output with a -60dBFS signal as defined in AES17 as SNR in
the presence of signal and outlined in AES6id, measured “A weighted” over 20 Hz to 20 kHz bandwidth
2.Ratio of Full Scale signal to idle channel noise output is measured “A weighted” over a 20 Hz to a 20 kHz bandwidth.
(AES17-1991 Idle Channel Noise or EIAJ CP-307 Signal-to-noise Ratio).
3.THD+N ratio as defined in AES17 and outlined in AES6id,non-weighted, over 20 Hz to 20 kHz bandwidth.Results at the jack
are dependent on external components and will likely be 1 - 2dB worse.
4.Peak-to-Peak Ripple over Passband meets ± 0.125dB limits, 48 kHz or 44.1 kHz Sample Frequency. 1dB limit.
5.
6.Stop Band rejection determines filter requirements. Out-of-Band rejection determines audible noise.
7.The integrated Out-of-Band noise generated by the DAC process, during normal PCM audio playback, over a bandwidth 28.8
to 100 kHz, with respect to a 1 Vrms DAC output.
8.± 1dB limits for Line Output & 0 dB gain, at -20dBV
9.Spurious tone rejection is tested with ADC dither enabled and compared to ADC performance without dither.
10.All functions/converters active, pin complexes enabled, two FDX streams, line (10Kohm) loads. Add 24mA analog current per
stereo 32 ohm headphone.
11.One stereo DAC and corresponding pin widgets enabled (playback mode)
12.Mixer enabled
13.Idle measurement D3 set for minimum clicks/pops (biases and min. amps. on)
14.Can be set to 0.5 or 0.8 AVdd.
Peak-to-Peak Ripple
One Stereo DAC Didd
One Stereo ADC Aidd
One Stereo DAC Aidd
14
Parameter
over Passband meets ± 0.125dB limits, 48 kHz or 44.1 kHz Sample Frequency. 1dB limit.
Table 17. 92HD99 Analog Performance Characteristics
Conditions
40
4.75V
3.3V
4.75
Min
1
2
4
-
0.45 X
AVdd
AVdd
0.5 X
Typ
150
1.6
96
8
6
4
Max
200
500
-
V 0.91 10/10
Class
Class
Level
Unit
usec
psec
92HD99
mA
mA
mA
mA
V
V
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