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WM8181 bảng dữ liệu(PDF) 5 Page - Wolfson Microelectronics plc

tên linh kiện WM8181
Giải thích chi tiết về linh kiện  12-bit 2MSPS Serial Output CIS/CCD Digitiser
PDF  14 Pages
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nhà sản xuất  WOLFSON [Wolfson Microelectronics plc]
Trang chủ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8181 bảng dữ liệu(HTML) 5 Page - Wolfson Microelectronics plc

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Advanced Information
WM8181
WOLFSON MICROELECTRONICS LTD
AI Rev 3.0 January 2000
5
TEST CHARACTERISTICS
AVDD = DVDD = 2.97 to 3.63V and 4.5 to 5.5V, AGND1 = AGND2 = DGND = 0V, TA = 0 to 70
°C, MCLK = 24MHz
unless otherwise stated.
PARAMETER
SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
DIGITAL SPECIFICATION
Digital Inputs
High level input voltage
VIH
0.8
∗ DVDD
V
Low level input voltage
VIL
0.2
∗ DVDD
V
High level input current
<1
µA
Low level input current
<1
µA
Input capacitance
5pF
Digital Outputs
High level output voltage
IOH = 1mA
DVDD - 0.5
V
Low level output voltage
IOL = -1mA
0.5
V
High impedance output current
<1
µA
OVERALL SYSTEM SPECIFICATION
Supply Currents
Total analogue supply current –
active
AVDD = DVDD = 5V
AVDD = DVDD = 3.3V
21
19
mA
mA
Total digital supply current –
active
AVDD = DVDD = 5V
AVDD = DVDD = 3.3V
2
1
mA
mA
Supply current – disabled
AVDD = DVDD = 5V
AVDD = DVDD = 3.3V
<1
<1
µA
µA
MCLK
VSMP
DOUT
t
MCLKH
t
MCLKL
t
PER
t
VSMPSU
t
VSMPH
SAMPLE n
t
PD
n-2 D[11]
n-2 D[10]
n-2 D[9]
Figure 1 Clock Inputs and Data Output
TEST CHARACTERISTICS
AVDD = DVDD = 2.97 to 3.63V and 4.5 to 5.5V, AGND1 = AGND2 = DGND = 0V, TA = 0 to 70
°C, MCLK = 24MHz
unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Maximum MCLK period
tPER
41.7
ns
MCLK high
tMCLKH
16
ns
MCLK low
tMCLKL
16
ns
VSMP data set-up time
tVSMPSU
10
ns
VSMP data hold time
tVSMPH
10
ns
MCLK to DOUT
propagation delay
tPD
AVDD = DVDD = 5V
10
ns
MCLK to DOUT
propagation delay
tPD
AVDD = DVDD = 3.3V
15
ns
Note: Parameters are measured at 50% of the rising/falling edge.



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