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參數(shù)資料
| 型號(hào)： | 92HD87B1X5NDGXYYX8 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, QCC40 |
| 封裝： | ROHS COMPLIANT, QFN-40 |
| 文件頁(yè)數(shù)： | 46/204頁(yè) |
| 文件大小： | 2369K |
| 代理商： | 92HD87B1X5NDGXYYX8 |
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IDT CONFIDENTIAL
14
V 0.995 01/11
2009 INTEGRATED DEVICE TECHNOLOGY, INC.
92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
The D3-default state is available for HD Audio compliance. The programmable values, exposed via
vendor-specific settings, are under IDT Device Driver control for further power reduction. The analog
mixer, line and headphone amps, port presence detect, and internal references may be disabled
using vendor specific verbs. Use of these vendor specific verbs will cause pops.
The default power state for the Audio Function Group after reset is D3.
2.5.
AFG D0
The AFG D0 state is the active state for the device. All functions are active if their power state (if they
support power management at their node level) has been set to D0.
2.6.
AFG D1
D1 is a lower power mode where all converter widgets are disabled. Analog mixer and port functions
are active. The part will resume from theD1 to theD0 state within 1 mS.
2.7.
AFG D2
The D2 state further reduces power by disabling the mixer and port functions. The port amplifiers
and internal references remain active to keep port coupling caps charged and the system ready for a
quick resume to either the D1 or D0 state. The part will resume from the D2 state to the D0 state
within 2mS.
2.8.
AFG D3
The D3-default state is available for HD Audio compliance. All converters are shut down. Port ampli-
fiers and references are active but in a low power state to prevent pops. Resume times may be lon-
ger than those from D2, but still less than 10mS to meet Intel low power goals. The default power
state for the Audio Function Group after power is applied is D3.
The traditional use for D3 was as a transitional state before power was removed (D3 cold) before the
system entered into standby, hibernate, or shut-down. To conserve power, Intel now promotes using
D3 whenever there are no active streams or other activity that requires the part to consume full
power. The system remains in S0 during this time. When a stream request or user activity requires
the CODEC to become active, the driver will immediately transition the CODEC from D3 to D0. To
Port Sense
On
On4
Off
Reference Bias generator
On
Off
Reference Bandgap core
On
Off
HD Audio-Link
On
On5
Limited
Off
1.
No DAC or ADC streams are active. Analog mixing and loop thru are supported.
2.
VAG is kept active when ports are disabled or in D3/D3cold/D4. PC_Beep is supported in D3 but may be attenuated and
distorted depending on load impedance.
3.
VAG is always ramped up and down gradually, except in the case of a sudden power removal. VAG is active in D2/D3 but
in a low power state.
4.
Both AVDD and DVDD must be available for Port Sense to operate.
5.
Not active if BITCLK is not running (Controller in D3), but can signal power state change request (PME)
Function
D0
D11
D2
D3
D3cold
Vendor
Specific D4
Vendor
SpecificD5
Table 3. Power Management
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 92HD87B2X5NDGXRAX | 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| 92HD87B2X5NDGXRAX8 | 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| 92HD87B3X5NDGXRAX | 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| 92HD87B3X5NDGXRAX8 | 制造商:Integrated Device Technology Inc 功能描述:Audio Codec 2ADC / 2DAC 24-Bit 40-Pin QFN EP T/R 制造商:Integrated Device Technology Inc 功能描述:40QFN - Tape and Reel |
| 92HD87B4X5NDGXRAX | 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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