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參數(shù)資料
| 型號(hào)： | TP3057J-1 |
| 英文描述： | Rocker Switch; Circuitry:DPDT; Switch Operation:On-On; Contact Current Max:16A; Switch Terminals:Quick Connect; Actuator Color:White; Leaded Process Compatible:Yes; Mounting Type:Panel RoHS Compliant: Yes |
| 中文描述： | A律編解碼器 |
| 文件頁(yè)數(shù)： | 12/16頁(yè) |
| 文件大小： | 250K |
| 代理商： | TP3057J-1 |
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Applications Information
POWER SUPPLIES
While the pins of the TP305X family are well protected
against electrical misuse, it is recommended that the stan-
dard CMOS practice be followed, ensuring that ground is
connected to the device before any other connections are
made. In applications where the printed circuit board may be
plugged into a ‘‘hot’’ socket with power and clocks already
present, an extra long ground pin in the connector should
be used.
All ground connections to each device should meet at a
common point as close as possible to the GNDA pin. This
minimizes the interaction of ground return currents flowing
through a common bus impedance. 0.1
m
F supply decou-
pling capacitors should be connected from this common
ground point to V
CC
and V
BB
, as close to the device as
possible.
For best performance, the ground point of each CODEC/
FILTER on a card should be connected to a common card
ground in star formation, rather than via a ground bus.
This common ground point should be decoupled to V
CC
and
V
BB
with 10
m
F capacitors.
RECEIVE GAIN ADJUSTMENT
For applications where a TP305X family CODEC/filter re-
ceive output must drive a 600
X
load, but a peak swing lower
than
g
2.5V is required, the receive gain can be easily ad-
justed by inserting a matched T-pad or
q
-pad at the output.
Table II lists the required resistor values for 600
X
termina-
tions. As these are generally non-standard values, the equa-
tions can be used to compute the attenuation of the closest
practical set of resistors. It may be necessary to use un-
equal values for the R1 or R4 arms of the attenuators to
achieve a precise attenuation. Generally it is tolerable to
allow a small deviation of the input impedance from nominal
while still maintaining a good return loss. For example a 30
dB return loss against 600
X
is obtained if the output imped-
ance of the attenuator is in the range 282
X
to 319
X
(as-
suming a perfect transformer).
T-Pad Attenuator
R1
e
Z1
#
Where: N
e
0
N
2
a
1
N
2
b
1
J
b
2
0
Z1.Z2
#
N
N
2
b
1
J
R2
e
2
0
Z1.Z2
#
N
N
2
b
1
J
POWER IN
POWER OUT
and
S
e
0
Also: Z
e
0
Z
SC
#
Z
OC
Where Z
SC
e
impedance with short circuit termination
and Z
OC
e
impedance with open circuit termination
Z1
Z2
q
-Pad Attenuator
TL/H/5510–5
R3
e
0
Z1.Z2
2
#
N
2
b
1
N
J
R3
e
Z1
#
N
2
b
1
N
2
b
2NS
a
1
J
Note:
See Application Note 370 for further details.
12
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PDF描述 |
|---|---|
| TP3054 | “Enhanced” Serial Interface CMOS CODEC/Filter(加強(qiáng)型串行接口CMOS編解碼器/濾波器) |
| TP3056BDWR | PCM CODEC|SINGLE|CMOS|SOP|16PIN|PLASTIC |
| TP3056B | MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER |
| TP3056BDW | MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER |
| TP3056BN | MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TP3057N | 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 |
| TP3057N/NOPB | 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 |
| TP3057N/NOPB | 制造商:Texas Instruments 功能描述:, Peak Reflow Compatible (260 C):Yes |
| TP3057V | 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 |
| TP3057V/63 | 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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