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