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| 型号： | MCP3008-I/SL |
| 厂商： | Microchip Technology |
| 文件页数： | 23/40页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 2.7V 8CH SPI 16SOIC |
| 标准包装： | 50 |
| 位数： | 10 |
| 采样率（每秒）： | 200k |
| 数据接口： | 串行，SPI? |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
| 输入数目和类型： | 8 个单端，单极；4 个伪差分，单极 |
| 产品目录页面： | 672 (CN2011-ZH PDF) |
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2008 Microchip Technology Inc.
DS21295D-page 3
MCP3004/3008
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings
VDD ..................................................................................7.0V
All Inputs and Outputs w.r.t. VSS ............– 0.6V to VDD +0.6V
Storage Temperature ................................... –65°C to +150°C
Ambient temperature with power applied.......–65°C to +150°C
Soldering temperature of leads (10 seconds) ............. +300°C
ESD Protection On All Pins (HBM)
...................................≥ 4kV
Notice:
Stresses above those listed under “Absolute
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
periods may affect device reliability.
ELECTRICAL SPECIFICATIONS
Electrical Characteristics:
Unless otherwise noted, all parameters apply at VDD = 5V, VREF = 5V,
TA = -40°C to +85°C, fSAMPLE = 200 ksps and fCLK = 18*fSAMPLE. Unless otherwise noted, typical values apply for
VDD = 5V, TA = +25°C.
Parameter
Sym
Min
Typ
Max
Units
Conditions
Conversion Rate
Conversion Time
tCONV
—
10
clock
cycles
Analog Input Sample Time
tSAMPLE
1.5
clock
cycles
Throughput Rate
fSAMPLE
——
200
75
ksps
VDD = VREF = 5V
VDD = VREF = 2.7V
DC Accuracy
Resolution
10
bits
Integral Nonlinearity
INL
—
±0.5
±1
LSB
Differential Nonlinearity
DNL
—
±0.25
±1
LSB
No missing codes over
temperature
Offset Error
—
±1.5
LSB
Gain Error
—
±1.0
LSB
Dynamic Performance
Total Harmonic Distortion
—
-76
dB
VIN = 0.1V to 4.9V@1 kHz
Signal-to-Noise and Distortion
(SINAD)
—61
dB
VIN = 0.1V to 4.9V@1 kHz
Spurious Free Dynamic Range
—
78
dB
VIN = 0.1V to 4.9V@1 kHz
Reference Input
Voltage Range
0.25
—
VDD
Current Drain
—
100
0.001
150
3
A
CS = VDD = 5V
Analog Inputs
Input Voltage Range for CH0 or
CH1 in Single-Ended Mode
VSS
—VREF
V
Input Voltage Range for IN+ in
pseudo-differential mode
IN-
—
VREF+IN-
Input Voltage Range for IN- in
pseudo-differential mode
VSS-100
—
VSS+100
mV
Note 1:
This parameter is established by characterization and not 100% tested.
2:
See graphs that relate linearity performance to VREF levels.
3:
Because the sample cap will eventually lose charge, effective clock rates below 10 kHz can affect linearity
performance, especially at elevated temperatures. See Section 6.2 “Maintaining Minimum Clock
, “Maintaining Minimum Clock Speed”, for more information.
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