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MCP48FVB21 数据表(PDF) 8 Page - Microchip Technology

部件名 MCP48FVB21
功能描述  8-/10-/12-Bit Single/Dual Voltage Output Volatile Digital-to-Analog Converters with SPI Interface
PDF  84 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP48FVB21 数据表(HTML) 8 Page - Microchip Technology

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MCP48FVBXX
DS20005466A-page 8
 2015 Microchip Technology Inc.
DC CHARACTERISTICS (CONTINUED)
DC Characteristics
Standard Operating Conditions (unless otherwise specified):
Operating Temperature: -40°C
 TA  +125°C (Extended)
Unless otherwise noted, all parameters apply across these specified operating ranges:
VDD = +2.7V to 5.5V, VREF = +2.048V to VDD, VSS = 0V
Gx = ‘0’, RL = 5 k from VOUT to VSS, CL = 100 pF
Typical specifications represent values for VDD = 5.5V, TA = +25°C.
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
Resistor Ladder
Resistance
RL
100
140
180
k
1.8V
 VDD  5.5V
VREF  1.0V (7)
Resolution
(# of Resistors and
# of Taps)
(see B.1 “Resolution”)
N
256
Taps
8-bit
No Missing Codes
1024
Taps
10-bit No Missing Codes
4096
Taps
12-bit No Missing Codes
Nominal VOUT Match (11) |VOUT - VOUTMEAN|
/VOUTMEAN
—0.5
1.0
%
2.7V
 VDD  5.5V (2)
——
1.2
%
1.8V (2)
VOUT Tempco
(See B.19 “V
OUT Tem-
perature Coefficient”
VOUT/T
—
15
—
ppm/°C Code = Mid-scale
(7Fh, 1FFh or 7FFh)
VREF pin
Input Voltage Range
VREF
VSS
—VDD
V
1.8V
 VDD  5.5V (1)
Note 1
This parameter is ensured by design.
Note 2
This parameter is ensured by characterization.
Note 7
Resistance is defined as the resistance between the VREF pin (mode VRxB:VRxA = ‘10’) to VSS pin.
For dual-channel devices (MCP48FVBX2), this is the effective resistance of the each resistor ladder.
The resistance measurement is that of the two resistor ladders measured in parallel.
Note 11
Variation of one output voltage to mean output voltage.



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