V
參數資料
型號： MCP4812T-E/MS
廠商： Microchip Technology
文件頁數： 12/19頁
文件大小： 0K
描述： DAC 10BIT DUAL SPI/VREF 8MSOP
標準包裝： 2,500
設置時間： 4.5µs
位數： 10
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： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應商設備封裝： 8-MSOP
包裝： 帶卷 (TR)
輸出數目和類型： 2 電壓，單極；2 電壓，雙極
采樣率（每秒）： *
2010 Microchip Technology Inc.
DS22249A-page 3
MCP4802/4812/4822
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings
VDD....................................................................... 6.5V
All inputs and outputs .......... VSS – 0.3V to VDD + 0.3V
Current at Input Pins ......................................... ±2 mA
Current at Supply Pins .................................... ±50 mA
Current at Output Pins .................................... ±25 mA
Storage temperature .......................... -65°C to +150°C
Ambient temp. with power applied ..... -55°C to +125°C
ESD protection on all pins
4 kV (HBM), 400V (MM)
Maximum Junction Temperature (TJ)................+150°C
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 periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
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, TA = -40 to +85°C. Typical values are at +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Power Requirements
Input Voltage
VDD
2.7
—
5.5
V
Input Current
IDD
—
415
750
A
All digital inputs are grounded,
all analog outputs (VOUT) are
unloaded. Code = 0x000h
Software Shutdown Current
ISHDN_SW
—3.3
6
A
Power-on Reset Threshold
VPOR
—2.0
—
V
DC Accuracy
MCP4802
Resolution
n
8
—
Bits
INL Error
INL
-1
±0.125
1
LSb
DNL
-0.5
±0.1
+0.5
LSb
MCP4812
Resolution
n
10
—
Bits
INL Error
INL
-3.5
±0.5
3.5
LSb
DNL
-0.5
±0.1
+0.5
LSb
MCP4822
Resolution
n
12
—
Bits
INL Error
INL
-12
±2
12
LSb
DNL
-0.75
±0.2
+0.75
LSb
Offset Error
VOS
-1
±0.02
1
% of FSR Code = 0x000h
Offset Error Temperature
Coefficient
VOS/°C
—
0.16
—
ppm/°C
-45°C to +25°C
—
-0.44
—
ppm/°C
+25°C to +85°C
Gain Error
gE
-2
-0.10
2
% of FSR Code = 0xFFFh,
not including offset error
Gain Error Temperature
Coefficient
G/°C
—
-3
—
ppm/°C
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.
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