LTC7543GK Просмотр технического описания (PDF) - Linear Technology
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LTC7543GK Datasheet PDF : 8 Pages
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LTC7543/LTC8143
ACCURACY CHARACTERISTICS – LTC8143
VDD = 5V, VREF = 10V, VOUT1 = VOUT2 = AGND = DGND = 0V, TA = TMIN to TMAX, unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
Resolution
q
INL
Integral Nonlinearity
(Note 1)
q
(Relative Accuracy)
DNL Differential Nonlinearity
Guaranteed Monotonic, TMIN to TMAX q
GE
Gain Error
(Note 2)
TA = 25°C
TMIN to TMAX q
Gain Temperature Coefficient (Note 3)
q
(∆Gain/∆Temp)
ILKG
Output Leakage Current
Zero-Scale Error
(Note 4)
PSRR Power Supply Rejection Ratio VDD = 5V ±5%
TA = 25°C
TMIN to TMAX q
TA = 25°C
TMIN to TMAX q
q
LTC8143E
MIN TYP MAX
12
±0.5
±0.5
±1
±2
1
5
±5
±25
±0.03
±0.15
±0.0001 ±0.002
LTC8143F
MIN TYP MAX
12
±1
±1
±2
±2
1
5
±5
±25
±0.03
±0.15
±0.0001 ±0.002
UNITS
Bits
LSB
LSB
LSB
LSB
ppm/°C
nA
nA
LSB
LSB
%/%
ELECTRICAL CHARACTERISTICS – LTC7543/LTC8143
VDD = 5V, VREF = 10V, VOUT1 = VOUT2 = AGND = DGND = 0V, TA = TMIN to TMAX, unless otherwise specified.
SYMBOL PARAMETER
Reference Input
RREF VREF Input Resistance
AC Performance (Note 3)
Output Current Settling Time
Multiplying Feedthrough Error
Digital-to-Analog Glitch Energy
THD Total Harmonic Distortion
Output Noise Voltage Density
Analog Outputs (Note 3)
COUT Output Capacitance
Digital Inputs
VIH
Digital Input High Voltage
VIL
Digital Input Low Voltage
IIN
Digital Input Current
CIN
Digital Input Capacitance
Digital Outputs: SRO (LTC8143 Only)
VOH
Digital Output High
VOL
Digital Output Low
CONDITIONS
(Note 5)
(Notes 6, 7)
VREF = ±10V, 10kHz Sinewave
(Notes 6, 8)
(Note 9)
(Note 10)
DAC Register Loaded to All 1s
DAC Register Loaded to All 0s
COUT1
COUT2
COUT1
COUT2
VIN = 0V to VDD
(Note 3), VIN = 0V
IOH = – 200µA
IOL = 1.6mA
LTC7543/LTC8143
ALL GRADES
MIN TYP MAX
q
8
11 15
q
0.25 1
q
0.8 2
q
2
20
q
– 108 – 92
q
13
q
60 90
q
20 60
q
30 60
q
50 90
q 2.4
q
0.8
q
0.001 ±1
q
8
q
4
q
0.4
UNITS
kΩ
µs
mVP-P
nV-sec
dB
nV/√Hz
pF
pF
pF
pF
V
V
µA
pF
V
V
3
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