
2
LTC7541A
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
ELECTRICAL CHARACTERISTICS
VDD = 15V, VREF = 10V, OUT 1 = OUT 2 = GND = 0V, TA = TMIN to TMAX, unless otherwise specified.
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
LTC7541ABN
LTC7541ABSW
LTC7541AJN
LTC7541AKN
LTC7541AJSW
LTC7541AKSW
ORDER PART
NUMBER
Consult factory for Military grade parts.
TJMAX = 150°C, θJA = 100°C/ W (N)
TJMAX = 150°C, θJA = 130°C/ W (SW)
LTC7541AK/LTC7541AB
1
2
3
4
5
6
7
8
9
TOP VIEW
N PACKAGE
18-LEAD PDIP
SW PACKAGE
18-LEAD PLASTIC SO WIDE
18
17
16
15
14
13
12
11
10
OUT 1
OUT 2
GND
BIT 1 (MSB)
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
RFB
VREF
VDD
BIT 12 (LSB)
BIT 11
BIT 10
BIT 9
BIT 8
BIT 7
LTC7541AJ
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Accuracy
Resolution
q
12
Bits
INL
Integral Nonlinearity
(Note 1)
q
±1
±0.5
LSB
(Relative Accuracy)
DNL
Differential Nonlinearity
Guaranteed Monotonic, TMIN to TMAX
q
±1
±0.5
LSB
GE
Gain Error
(Note 2)
TA = 25°C
±6
±1
LSB
TMIN to TMAX
q
±8
±2
LSB
Gain Temperature Coefficient
(Note 3)
q
15
ppm/
°C
ILKG
Output Leakage Current
(Note 4)
TA = 25°C
±5
±5nA
TMIN to TMAX
q
±10
nA
PSRR
Power Supply Rejection
VDD = 15V ±5%
q
±0.002
%/%
Reference Input
RREF
VREF Input Resistance
q
7
11
15
7
11
15
k
VREF Input Resistance
– 100
ppm/
°C
Temperature Coefficient