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參數(shù)資料
| 型號： | MCP4921T-E/SN |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 15/22頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT SNGL W/SPI 8SOIC |
| 標準包裝： | 1 |
| 設置時間： | 4.5µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 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-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOICN |
| 包裝： | 標準包裝 |
| 輸出數(shù)目和類型： | 1 電壓，單極；1 電壓，雙極 |
| 采樣率（每秒）： | * |
| 其它名稱： | MCP4921T-E/SNDKR |
2010 Microchip Technology Inc.
DS22248A-page 3
MCP4901/4911/4921
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings
VDD ............................................................................................................. 6.5V
All inputs and outputs w.r.t ................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
Operating Voltage
VDD
2.7
—
5.5
Supply Current
IDD
—
175
350
A
VDD = 5V
VDD = 3V
VREF input is unbuffered, all digital
inputs are grounded, all analog
outputs (VOUT) are unloaded.
Code = 0x000h
—
125
250
A
Software Shutdown Current ISHDN_SW
—
3.3
6
A
Power-on Reset circuit remains on
Power-On-Reset Threshold
VPOR
—2.0
—
V
DC Accuracy
MCP4901
Resolution
n
8
—
Bits
INL Error
INL
-1
±0.125
1
LSb
DNL
-0.5
±0.1
+0.5
LSb
MCP4911
Resolution
n
10
—
Bits
INL Error
INL
-3.5
±0.5
3.5
LSb
DNL
-0.5
±0.1
+0.5
LSb
MCP4921
Resolution
n
12
—
Bits
INL Error
INL
-12
±2
12
LSb
DNL
-0.75
±0.2
+0.75
LSb
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.
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