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參數(shù)資料
型號(hào): MCP4902-E/SL
廠商: Microchip Technology
文件頁數(shù): 14/16頁
文件大?。?/td> 0K
描述: DAC 8BIT DUAL W/SPI 14SOIC
標(biāo)準(zhǔn)包裝: 57
設(shè)置時(shí)間: 4.5µs
位數(shù): 8
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 單電源
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 14-SOIC
包裝: 管件
輸出數(shù)目和類型: 2 電壓,單極;2 電壓,雙極
采樣率(每秒): *
產(chǎn)品目錄頁面: 673 (CN2011-ZH PDF)
2010 Microchip Technology Inc.
DS22250A-page 5
MCP4902/4912/4922
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
Operating Voltage
VDD
2.7
5.5
V
Operating Current
IDD
400
A
VREF input is unbuffered, all digi-
tal inputs are grounded, all analog
outputs (VOUT) are unloaded.
Code=000h
Hardware Shutdown
Current
ISHDN
1.5
A
POR circuit is turned-off
Software Shutdown Current ISHDN_SW
5
A
POR circuit stays turned-on
Power-On Reset threshold
VPOR
—1.85
V
DC Accuracy
MCP4902
Resolution
n
8
Bits
INL Error
INL
±0.25
LSb
DNL
±0.2
LSb
MCP4912
Resolution
n
10
Bits
INL Error
INL
±1
LSb
DNL
±0.2
LSb
MCP4922
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 off-
set error
Gain Error Temperature
Coefficient
G/°C
-3
ppm/°C
Input Amplifier (VREF Input)
Input Range – Buffered
Mode
VREF
0.040 to
VDD – 0.040
—V
Code = 2048,
VREF = 0.2V p-p, f = 100 Hz and
1kHz
Input Range – Unbuffered
Mode
VREF
0—
VDD
V
Input Impedance
RVREF
174
k
Unbuffered mode
Input Capacitance –
Unbuffered Mode
CVREF
—7
pF
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.
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