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參數(shù)資料
| 型號(hào)： | MCP3201 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 2.7V 12-Bit A/D Converter with SPI Serial Interface |
| 中文描述： | 2.7 12位A / D轉(zhuǎn)換器具有SPI串行接口 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大?。?/td> | 377K |
| 代理商： | MCP3201 |
MCP3201
DS21290B-page 2
Preliminary
1999 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
1.1
Maximum Ratings*
V
DD
.........................................................................7.0V
All inputs and outputs w.r.t. V
...... -0.6V to V
+0.6V
Storage temperature ..........................
-65°C to +150°C
Ambient temp. with power applied......-65°C to +125°C
Soldering temperature of leads (10 seconds) ..+300°C
ESD protection on all pins...................................> 4kV
*Notice:
Stresses above those listed under “Maximum ratings” may
cause permanent damage to the device. This is a stress rating only and
functional operation of the device at those or any other conditions
above those indicated in the operational listings of this specification is
not implied. Exposure to maximum rating conditions for extended peri-
ods may affect device reliability.
PIN FUNCTION TABLE
NAME
FUNCTION
V
DD
V
SS
IN+
IN-
CLK
D
OUT
CS/SHDN
V
REF
+2.7V to 5.5V Power Supply
Ground
Positive Analog Input
Negative Analog Input
Serial Clock
Serial Data Out
Chip select/Shutdown Input
Reference Voltage Input
ELECTRICAL CHARACTERISTICS
All parameters apply at V
= 5V, V
= 0V, V
REF
= 5V, T
AMB
= -40°C to +85°C, f
SAMPLE
= 100ksps
and f
CLK
= 16*f
SAMPLE
unless otherwise noted.
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNITS
CONDITIONS
Conversion Rate
Conversion Time
t
CONV
12
clock
cycles
clock
cycles
ksps
ksps
Analog Input Sample Time
t
SAMPLE
1.5
Throughput Rate
f
SAMPLE
100
50
V
DD
= V
REF
= 5V
V
DD
= V
REF
= 2.7V
DC Accuracy
Resolution
Integral Nonlinearity
12
bits
LSB
LSB
LSB
INL
±0.75
±1
±0.5
±1
±2
±1
MCP3201-B
MCP3201-C
No missing codes over tem-
perature
Differential Nonlinearity
DNL
Offset Error
Gain Error
Dynamic Performance
Total Harmonic Distortion
Signal to Noise and Distortion
(SINAD)
Spurious Free Dynamic Range
Reference Input
Voltage Range
±1.25
±1.25
±3
±5
LSB
LSB
-82
72
dB
dB
V
IN
= 0.1V to 4.9V@1kHz
V
IN
= 0.1V to 4.9V@1kHz
86
dB
V
IN
= 0.1V to 4.9V@1kHz
0.25
V
DD
150
3
V
Note 2
Current Drain
100
.001
μA
μA
CS = V
DD
= 5V
Analog Inputs
Input Voltage Range (IN+)
IN-
V
REF
+IN-
V
SS
+100
±1
V
Input Voltage Range (IN-)
V
SS
-100
mV
Leakage Current
Switch Resistance
0.001
1K
μA
R
SS
See Figure 4-1
Sample Capacitor
C
SAMPLE
20
pF
See Figure 4-1
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