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參數(shù)資料
| 型號(hào)： | MCP4902-E/SL |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 3/16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 3
MCP4902/4912/4922
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
V
Operating CurrentInput Cur-
rent
IDD
—
350
700
A
VDD = 5V
VDD = 3V
VREF input is unbuffered, all digital
inputs are grounded, all analog
outputs (VOUT) are unloaded.
Code = 000h.
—
250
500
A
Hardware Shutdown Current
ISHDN
—
0.3
2
A
Power-on Reset circuit is turned
off
Software Shutdown Current
ISHDN_SW
—
3.3
6
A
Power-on Reset circuit stays on
Power-on-Reset Threshold
VPOR
—2.0
—
V
DC Accuracy
MCP4902
Resolution
n
8
—
Bits
INL Error
INL
-1
±0.125
1
LSb
DNL
-0.5
±0.1
+0.5
LSb
MCP4912
Resolution
n
10
—
Bits
INL Error
INL
-3.5
±0.5
3.5
LSb
DNL
-0.5
±0.1
+0.5
LSb
MCP4922
Resolution
n
12
—
Bits
INL Error
INL
-12
±2
12
LSb
DNL
-0.75
±0.2
+0.75
LSb
Offset Error
VOS
—
±0.02
1
% of
FSR
Code = 0x000h
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.
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