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參數(shù)資料
| 型號(hào)： | 8XC51SL |
| 廠商： | Intel Corp. |
| 英文描述： | Low Voltage Keyboard Controller(低電壓鍵盤控制器) |
| 中文描述： | 低壓控制鍵盤（低電壓鍵盤控制器） |
| 文件頁數(shù)： | 21/23頁 |
| 文件大?。?/td> | 256K |
| 代理商： | 8XC51SL |
8XC51SL/LOW VOLTAGE 8XC51SL
A/D CHARACTERISTICS
The 51SL includes a four-channel, 8-bit A/D con-
verter. This A/D, with eight bits of accuracy, uses
successive approximation with a switch capacitor
comparator. It is designed to be used for sampling
static analog signals (i.e., ideally suited for power
management tasks such as battery voltage monitor-
ing, etc.). The nominal conversion rate is 20
m
s at
16 MHz. The analog high and low voltage refer-
ences are connected to AVREF and AVGND, re-
spectively. The four input channels, AIN0–3 are
connected from the package pins, unbuffered, to an
analog multiplexer (on-chip). The absolute conver-
sion accuracy is dependent upon the accuracy of
AVREF. The specifications given assume adherence
to the operating conditions section of this data sheet.
Testing is done at AVREF
e
5.12V and V
CC
e
5.0V
for the 8XC51SL, and at AVREF
e
3.2V and V
CC
e
3.3V for the Low Voltage 8XC51SL.
OPERATING CONDITIONS
V
CC
8XC51SL àààààààààààààààààààààààà4.5V to 5.5V
Low Voltage 8XC51SL ààààààààààààà3.0V to 3.6V
AVREF
8XC51SL àààààààààààààààààààààààà4.5V to 5.5V
Low Voltage 8XC51SL ààààààààààààà3.0V to 3.6V
V
SS
, AVSSàààààààààààààààààààààààààààààààààà0V
AIN0–3 ààààààààààààààààààààààààAVSS to AVREF
T
A
ààààààààààààààààààààààà0
§
C to
a
70
§
C Ambient
F
OSC
àààààààààààààààààààààààààà2 MHz to 16 MHz
A/D CONVERTER SPECIFICATIONS
(Over Operating Conditions)
Parameter
Min
Typ
Max
Units
Resolution
255
8
256
8
Levels
Bits
Absolute Error
0
g
1
LSB
Full Scale Error
g
1
LSB
Zero Offset Error
g
1
LSB
Non-Linearity Error
0
g
1
LSB
Differential Non-Linearity Error
0
g
1
LSB
Channel to Channel Matching
0
g
1
LSB
Repeatability
g
0.25
LSB
Temperature Coefficients
Offset
Full Scale
Differential Non-Linearity
0.003
0.003
0.003
LSB/
§
C
LSB/
§
C
LSB/
§
C
Off Isolation
b
60
dB
Feedthrough
b
60
dB
V
CC
Power Supply Rejection
b
60
dB
Input Resistance
750
1.2K
X
Input Capacitance
3
pF
DC Input Leakage
0
3.0
m
A
21
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 8XC51SL.LOWVOLTAGE8XC51SL | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:KEYBOARD CONTROLLER |
| 8XC51SL/LOWVOLTAGE8XC51SL | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:8XC51SL. LOW VOLTAGE 8XC51SL - KEYBOARD CONTROLLER |
| 8XC51SLLOWVOLTAGE8XC51SL | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:KEYBOARD CONTROLLER |
| 8XC52 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER |
| 8XC54 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER |
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