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參數(shù)資料
| 型號(hào)： | LM4543VH |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | AC ’97 Codec with National 3D Sound |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, TQFP-48 |
| 文件頁(yè)數(shù)： | 4/16頁(yè) |
| 文件大小： | 304K |
| 代理商： | LM4543VH |
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Electrical Characteristics
(Notes 1, 3) (Continued)
The following specifications apply for AV
= 5V, DV
DD
= 5V unless otherwise noted. Limits apply for T
A
= 25C. The reference
for 0dB is 1Vrms unless otherwise specified.
Symbol
Parameter
Conditions
LM4543
Units
(Limits)
Typical
(Note 7)
Limit
(Note 8)
Digital Timing Specifications
(Note 2)
T
SH
SYNC active high pulse width
T
SYNC2CLK
SYNC inactive to BIT_CLK start up
T
SU2RST
Setup to trailing edge of RESET#
T
RST2HZ
Rising edge of RESET# to Hi-Z
For warm reset
For warm reset
For ATE Test Mode
For ATE Test Mode
1.3
μS
162.8
15
25
nS (min)
nS (min)
nS (max)
Note 1:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2:
These specifications are guaranteed by design and characterization; they are not production tested.
Note 3:
Absolute Maximum Ratingsindicate limits beyond which damage to the device may occur. Operating Ratingsindicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. Electrical Characteristicsstate DC andAC electrical specifications under particular test conditions which guar-
antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is
given, however, the typical value is a good indication of device performance.
Note 4:
The maximum power dissipation must be derated at elevated temperatures and is dictated by T
JMAX
,
θ
JA
, and the ambient temperature T
A
. The maximum
allowable power dissipation is P
= (T
–T
)/
θ
or the number given inAbsolute Maximum Ratings, whichever is lower. For the LM4543, T
JMAX
= 150C. The
typical junction-to-ambient thermal resistance is 74C/W for package number VBH48A.
Note 5:
Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 6:
Machine Model, 220 pF–240 pF discharged through all pins.
Note 7:
Typicals are measured at 25C and represent the parametric norm.
Note 8:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
www.national.com
4
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|---|---|
| LM4545 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:AC ’97 Codec with Stereo Headphone Amplifier and National 3D Sound |
| LM4545VH | 功能描述:IC AUDIO CODEC '97 18BIT 48LQFP RoHS:否 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
| LM4545VHX | 功能描述:IC AUDIO CODEC '97 18BIT 48LQFP RoHS:否 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
| LM4546 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:AC 97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound |
| LM4546_09 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:AC 97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound |
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