Datasheet

2
LTC7543/LTC8143
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
U
V
DD
to AGND .............................................. –0.5V to 7V
V
DD
to DGND .............................................. –0.5V to 7V
AGND to DGND............................................ V
DD
+ 0.5V
DGND to AGND............................................ V
DD
+ 0.5V
Digital Inputs to DGND ............... –0.5V to (V
DD
+ 0.5V)
V
OUT1
, V
OUT2
to AGND .................–0.5V to (V
DD
+ 0.5V)
V
REF
to AGND, DGND............................................ ±25V
V
RFB
to AGND, DGND ........................................... ±25V
Maximum Junction Temperature .......................... 150°C
Operating Temperature Range ............... –40°C to 85°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)..................300°C
LTC7543GKN
LTC7543KN
LTC7543GKSW
LTC7543KSW
LTC8143EN
LTC8143FN
LTC8143ESW
LTC8143FSW
ORDER PART
NUMBER
Consult factory for Military grade parts.
T
JMAX
= 150°C, θ
JA
= 100°C/ W (N)
T
JMAX
= 150°C, θ
JA
= 130°C/ W (SW)
V
DD
= 5V, V
REF
= 10V, V
OUT1
= V
OUT2
= AGND = DGND =0V, T
A
= T
MIN
to T
MAX
, unless otherwise specified.
ACCURACY CHARACTERISTICS –
LTC7543GK LTC7543K
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Resolution ● 12 12 Bits
INL Integral Nonlinearity (Note 1)
● ±0.5 ±0.5 LSB
(Relative Accuracy)
DNL Differential Nonlinearity Guaranteed Monotonic, T
MIN
to T
MAX
● ±0.5 ±0.5 LSB
GE Gain Error (Note 2) T
A
= 25°C ±1 ±2 LSB
T
MIN
to T
MAX
● ±1 ±2 LSB
Gain Temperature Coefficient (Note 3)
● 15 15ppm/°C
(∆Gain/∆Temp)
I
LKG
Output Leakage Current (Note 4) T
A
= 25°C ±1 ±1nA
T
MIN
to T
MAX
● ±10 ±10 nA
Zero-Scale Error T
A
= 25°C ±0.006 ±0.006 LSB
T
MIN
to T
MAX
● ±0.06 ±0.06 LSB
PSRR Power Supply Rejection Ratio V
DD
= 5V ±5% ● ±0.0001 ±0.002 ±0.0001 ±0.002 %/%
1
2
3
4
5
6
7
8

TOP VIEW
SW PACKAGE
16-LEAD PLASTIC SO WIDE
N PACKAGE
16-LEAD PDIP
16
15
14
13
12
11
10
9

OUT 1
OUT 2
AGND
STB1
LD1

SRI
STB2
R
FB

V
REF

V
DD

CLR
DGND
STB4
STB3
LD2
NC (LTC7543)
SRO (LTC8143)
LTC7543