LTC7541A Просмотр технического описания (PDF) - Linear Technology
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LTC7541A Datasheet PDF : 4 Pages
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LTC7541A
ABSOLUTE MAXIMUM RATINGS
VDD to GND ............................................... – 0.5V to 17V
VREF to GND.......................................................... ±25V
RFB to GND ........................................................... ±25V
Digital Inputs to GND .................. – 0.5V to (VDD + 0.5V)
OUT 1, OUT 2 to GND .................. – 0.5V to (VDD + 0.5V)
Power Dissipation ............................................. 450mW
(Derate 6mW/°C Above 75°C)
Maximum Junction Temperature ......... – 65°C to 125°C
Operating Temperature Range
Commercial (J, K Versions).................. 0°C to 70°C
Industrial (B Version) ...................... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
OUT 1 1
OUT 2 2
GND 3
BIT 1 (MSB) 4
BIT 2 5
BIT 3 6
BIT 4 7
BIT 5 8
BIT 6 9
TOP VIEW
18 RFB
17 VREF
16 VDD
15 BIT 12 (LSB)
14 BIT 11
13 BIT 10
12 BIT 9
11 BIT 8
10 BIT 7
N PACKAGE
SW PACKAGE
18-LEAD PDIP 18-LEAD PLASTIC SO WIDE
TJMAX = 150°C, θJA = 100°C/ W (N)
TJMAX = 150°C, θJA = 130°C/ W (SW)
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC7541ABN
LTC7541ABSW
LTC7541AJN
LTC7541AKN
LTC7541AJSW
LTC7541AKSW
ELECTRICAL CHARACTERISTICS
VDD = 15V, VREF = 10V, OUT 1 = OUT 2 = GND = 0V, TA = TMIN to TMAX, unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
LTC7541AJ
MIN TYP MAX
Accuracy
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
ILKG
Output Leakage Current
PSRR Power Supply Rejection
Reference Input
(Note 4)
VDD = 15V ±5%
TA = 25°C
TMIN to TMAX q
q
RREF VREF Input Resistance
q
VREF Input Resistance
Temperature Coefficient
12
±1
±1
±6
±8
1
5
±5
±10
±0.002
7 11 15
– 100
LTC7541AK/LTC7541AB
MIN TYP MAX
12
±0.5
±0.5
±1
±2
1
5
±5
±10
±0.002
7
11
15
– 100
UNITS
Bits
LSB
LSB
LSB
LSB
ppm/°C
nA
nA
%/%
kΩ
ppm/°C
2
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