參數(shù)資料
型號(hào)： UZZ9000
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 模擬信號(hào)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(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 69K
代理商： UZZ9000
2000 May 19
4
Philips Semiconductors
Preliminary specification
Sensor Conditioning Electronic
UZZ9000
ELECTRICAL CHARACTERISTICS
T
amb
=
40 to +150
°
C; V
DD
= 4.5 to 5.5 V; typical characteristics for T
amb
= 25
°
C and V
DD
= 5 V unless otherwise
specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
DDA
V
DD1
V
DD2
I
DD
(+V
O
)-(
V
O
)
supply voltage
supply voltage
supply voltage
supply current
differential input voltage
common mode range
lost magnet threshold
external clock frequency
internal clock frequency
output load
4.5
4.5
4.5
±
6.6
490
0.1
2.3
5
5
5
10
3
4
5.5
5.5
5.5
15
±
28
510
1
5.7
50
200
V
V
V
mA
mV/V
mV/V
mV/V
MHz
MHz
pF
nF
without load
referred to V
DD
referred to V
DD
referred to V
DD
for trim interface
T
j
=
40 to 150
°
C
f
ext
f
int
C
load
with series resistance
>300
between falling and
rising V
DD
V
reset
switching voltage threshold
for power on/off
hysteresis
output voltage range for
valid ranges
2.8
4.5
V
5
94
0
96
±
0.45
0.3
6
95
4
100
V
out
lower bound
upper bound
for irregular input
signal
% V
DD
% V
DD
% V
DD
% V
DD
degree
V
d
diagnostic area
A
accuracy
with ideal input signal;
range = 100
°
range = 100
°
Res
t
on
t
r
V
LM
resolution
power up time
response time
sensor voltage
0.1
12
0.7
15
20
1.2
20
degree
ms
ms
mV
to 95% of final value
lost magnet threshold
FUNCTIONAL DESCRIPTION
The UZZ9000 is a mixed signal IC for angle measurement
systems. The UZZ9000 has been designed for the double
sensor KMZ41. It combines two analog signals (sine and
cosine) into a linear output signal. The analog
measurement signals on the IC input are converted to
digital data by two ADC’s. Each ADC is a Sigma-Delta
modulator employing a 4th order continuous time
architecture with an over-sampling ratio of 128 to achieve
high resolution. The converter output is a digital bit-stream
with an over-sampling frequency of typically 500 kHz.
The bit-stream is fed into a decimation filter which
performs both low pass filtering and down-sampling. The
IC has two input channels each of which has its own ADC
and decimation filter. The two decimation filter outputs are
15-bit digital words at a lower frequency of typically
3.9 kHz which is the typical sampling frequency of the
sensor system. The digital representations of the two
signals are then used to calculate the current angle by the
ALU. This calculation is carried out using the so-called
CORDIC algorithm. The angle is represented by a 13-bit
resolution. A DAC converts the digital signal back to the
analog domain.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UZZ9001 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Sensor Conditioning Electronic
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