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參數(shù)資料
| 型號： | UZZ9001 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Sensor Conditioning Electronic(傳感器調(diào)節(jié)芯片) |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO24 |
| 封裝： | SO-24 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大小： | 72K |
| 代理商： | UZZ9001 |
2000 May 19
8
Philips Semiconductors
Preliminary specification
Sensor Conditioning Electronic
UZZ9001
Magnet lost condition
If both offset corrected input signal of sensor 1 and
sensor 2 are below the lost magnet threshold then the
failure ’Magnet lost’ is assumed.
Offset trimming
To achieve a linear output characteristic, it is necessary to
shift the offsets of the two input signals to the input stage
of the UZZ9001. For this reason a sensor offset
cancellation procedure has been implemented in the
UZZ9001 which is started by sending a special serial data
protocol to the UZZ9001. This trimming procedure is
required for both input signals.
Trim interface
The UZZ9001 trim mode serial interface consists of the
two terminals SMODE (pin 10) and DATA_CLK (pin 9).
The structure of this protocol is shown in Figure 5.
All signal levels of DATA_CLK and SMODE must lie within
the ranges set out in Table 3. The protocol starts with
a falling edge at the SMODE, which must occur at a high
DATA_CLK level. The following five bits are used to code
the message sent to the UZZ9001. They are transferred
via the SMODE and are sampled with the rising edge of
the DATA_CLK. During the fifth high level output of
DATA_CLK (counted from the start condition onwards),
a rising edge must appear at the SMODE and the
DATA_CLK follows this with one more change to low level
in order to successfully complete the protocol.
Table 3
Definition of the trim interface signals
PARAMETER
MIN.
MAX.
UNIT
low level of DATA_CLK, SMODE
high level of DATA_CLK, SMODE
rise and fall time of DATA_CLK and SMODE signal edges
(10 to 90% V
DD
) and (90 to 10% V
DD
)
DATA_CLK frequency
0
5
%V
DD
%V
DD
ns
95
8
100
0.1
1
MHz
handbook, full pagewidth
MHB702
DATA_CLK
(input at pin 9)
SMODE
(input at pin 10)
TOUT
(output at pin 22)
1
2
3
4
5
stop
condition
statusbit #
start
condition
T1
T0
Fig.5 Protocol used to set UZZ9001 into trim mode.
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| UZZ9001,118 | 功能描述:ELECTRONIC CONDITIONING SENSOR RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
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