VOS
參數資料
型號: MCP4912-E/P
廠商: Microchip Technology
文件頁數: 13/16頁
文件大?。?/td> 0K
描述: DAC 10BIT DUAL W/SPI 14PDIP
標準包裝: 30
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: 通孔
封裝/外殼: 14-DIP(0.300",7.62mm)
供應商設備封裝: 14-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)
MCP4902/4912/4922
DS22250A-page 4
2010 Microchip Technology Inc.
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
-0.10
1
% 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
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
—165
k
Unbuffered Mode
Input Capacitance –
Unbuffered Mode
CVREF
—7
pF
Multiplier Mode -3 dB
Bandwidth
fVREF
—450
kHz
VREF = 2.5V ±0.2Vp-p,
Unbuffered, G = 1x
fVREF
—400
kHz
VREF = 2.5V ±0.2 Vp-p,
Unbuffered, G = 2x
Multiplier Mode –
Total Harmonic Distortion
THDVREF
—-73
dB
VREF = 2.5V ±0.2Vp-p,
Frequency = 1 kHz
Output Amplifier
Output Swing
VOUT
0.01 to
VDD – 0.04
V
Accuracy is better than 1 LSb for
VOUT = 10 mV to (VDD – 40 mV)
Phase Margin
m
66
degrees
Slew Rate
SR
0.55
V/s
Short Circuit Current
ISC
—15
24
mA
Settling Time
tsettling
4.5
s
Within 1/2 LSb of final value from
1/4 to 3/4 full-scale range
Dynamic Performance (Note 2)
DAC-to-DAC Crosstalk
10
nV-s
Major Code Transition Glitch
45
nV-s
1 LSb change around major carry
(0111...1111 to 1000...0000)
10
nV-s
Analog Crosstalk
10
nV-s
ELECTRICAL CHARACTERISTICS (CONTINUED)
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
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.
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