Electrical Speci" />
參數資料
型號: MCP4802-E/P
廠商: Microchip Technology
文件頁數: 15/19頁
文件大?。?/td> 0K
描述: DAC 8BIT DUAL SPI/VREF 8PDIP
標準包裝: 60
設置時間: 4.5µs
位數: 8
數據接口: 串行,SPI?
轉換器數目: 2
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類型: 通孔
封裝/外殼: 8-DIP(0.300",7.62mm)
供應商設備封裝: 8-PDIP
包裝: 管件
輸出數目和類型: 2 電壓,單極;2 電壓,雙極
采樣率(每秒): *
產品目錄頁面: 673 (CN2011-ZH PDF)
2010 Microchip Technology Inc.
DS22249A-page 5
MCP4802/4812/4822
ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE
Electrical Specifications: Unless otherwise indicated, VDD = 5V, VSS = 0V, VREF = 2.048V, Output Buffer Gain (G) = 2x,
RL = 5 k to GND, CL = 100 pF. Typical values are at +125°C by characterization or simulation.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Power Requirements
Input Voltage
VDD
2.7
5.5
V
Input Current
Input Curren
IDD
440
A
All digital inputs are grounded,
all analog outputs (VOUT) are
unloaded. Code = 0x000h.
Software Shutdown Current
ISHDN_SW
—5
A
Power-On Reset threshold
VPOR
—1.85
V
DC Accuracy
MCP4802
Resolution
n
8
Bits
INL Error
INL
±0.25
LSb
DNL
±0.2
LSb
MCP4812
Resolution
n
10
Bits
INL Error
INL
±1
LSb
DNL
±0.2
LSb
MCP4822
Resolution
n
12
Bits
INL Error
INL
±4
LSb
DNL
±0.25
LSb
Offset Error
VOS
±0.02
% of FSR
Code = 0x000h
Offset Error Temperature
Coefficient
VOS/°C
-5
ppm/°C
+25°C to +125°C
Gain Error
gE
-0.10
% of FSR
Code = 0xFFFh,
not including offset error
Gain Error Temperature
Coefficient
G/°C
-3
ppm/°C
Internal Voltage Reference (VREF)
Internal Reference Voltage
VREF
2.048
V
VOUTA when G = 1x and
Code = 0xFFFh
Temperature Coefficient
VREF/°C
125
ppm/°C
-40°C to 0°C
0.25
LSb/°C
-40°C to 0°C
45
ppm/°C
0°C to +85°C
0.09
LSb/°C
0°C to +85°C
Output Noise (VREF Noise)
ENREF
(0.1 – 10 Hz)
290
Vp-p
Code = 0xFFFh, G = 1x
Output Noise Density
eNREF
(1 kHz)
—1.2
V/Hz
Code = 0xFFFh, G = 1x
eNREF
(10 kHz)
—1.0
V/Hz
Code = 0xFFFh, G = 1x
1/f Corner Frequency
fCORNER
400
Hz
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.
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