MP7645B データシートの表示（PDF） - Exar Corporation
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MP7645B Datasheet PDF : 8 Pages
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MP7645B
ELECTRICAL CHARACTERISTICS
(VDD = + 15 V, VREF = +10 V unless otherwise noted)
Parameter
STATIC PERFORMANCE1
25°C
Symbol Min Typ Max
Resolution (All Grades)
N
12
Integral Non-Linearity
INL
(Relative Accuracy)
K, B
+1
L, C
+1/2
Differential Non-Linearity
DNL
K, B
+1
L, C
+1/2
Gain Error
K, B
L, C
GE
+0.2
+0.2
Gain Temperature Coefficient2
Monotonicity
K, L
TCGE
Guaranteed
Power Supply Rejection Ratio
PSRR
+50
Output Leakage Current
IOUT
K, L, B, C
+10
DYNAMIC PERFORMANCE2
Current Settling Time
AC Feedthrough at IOUT
Propagation Delay
tS
1
FT
5
tPD
50
REFERENCE INPUT
Input Resistance
DIGITAL INPUTS3
Logical “1” Voltage
Logical “0” Voltage
Input Leakage Current
Input Capacitance2
Data
Control
ANALOG OUTPUTS
Output Capacitance2
RIN
7
11
25
VIH
3
VIL
ILKG
CIN
CIN
+0.8
+1
5
20
COUT
50
COUT
100
Tmin to Tmax
Min Max Units
Test Conditions/Comments
FSR = Full Scale Range
12
Bits
LSB
End Point Linearity
+1
+1/2
LSB
+1
+1/2
% FSR
+0.2
+0.2
Using Internal RFB
+2 ppm/°C ∆Gain/∆Temperature
Guaranteed
12-Bit Monotonic Tmin to Tmax
+50 ppm/%
nA
+200
|∆Gain/∆VDD| ∆VDD = + 5%
2 typ
5
µs
mV p-p
ns
Full Scale Change to 1/2 LSB
VREF = 10kHz, 20 Vp-p, sinewave
From digital input change to
90% of final value
7
25 kΩ
3.0
V
+0.8 V
+10 µA
5 pF
20 pF
DB0-DB11
WR, CS
pF
DAC Inputs all 0’s
pF
DAC Inputs all 1’s
Rev. 2.00
3
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