2
LTC1590
ABSOLUTE MAXIMUM RATINGS
W
WW
U
WU
U
PACKAGE
/
O
RDER I FOR ATIO
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
V
CC
to AGND............................................... –0.5V to 7V
V
CC
to DGND .............................................. –0.5V to 7V
AGND to DGND............................................. V
CC
+ 0.5V
DGND to AGND..............................................V
CC
+ 0.5V
V
REF
to AGND ........................................................±25V
R
FB
to AGND .......................................................... ±25V
Digital Inputs to DGND ...................–0.5V to V
CC
+ 0.5V
V
OUT1
, V
OUT2
to AGND ....................–0.5V to V
CC
+ 0.5V
Maximum Junction Temperature .......................... 150°C
Operating Temperature Range
LTC1590C................................................ 0°C to 70°C
LTC1590I............................................ –40°C to 85°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
LTC1590CN
LTC1590CS
LTC1590IN
LTC1590IS
ORDER PART
NUMBER
V
CC
= 4.5V to 5.5V, V
REF
= 10V, V
OUT1
= V
OUT2
= AGND = DGND = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
T
JMAX
= 150°C, θ
JA
= 100°C/W (N)
T
JMAX
= 150°C, θ
JA
= 150°C/W (S)
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
N PACKAGE
16-LEAD PDIP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
REF B
R
FB B
OUT1 B
OUT2 B
OUT2 A
OUT1 A
AGND
R
FB A
V
CC
CLR
CLK
D
IN
D
OUT
CS/LD
DGND
V
REF A
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Accuracy
Resolution ● 12 Bits
INL Integral Nonlinearity (Note 1) ● ±0.5 LSB
DNL Differential Nonlinearity Guaranteed Monotonic, T
MIN
to T
MAX
● ±0.5 LSB
GE Gain Error (Note 2), T
A
= 25°C ±1 LSB
T
MIN
to T
MAX
● ±2 LSB
Gain Temperature Coefficient (Note 3) ∆Gain/∆Temperature ● 1 5 ppm/°C
I
LEAKAGE
OUT1 A, OUT1 B Leakage Current (Note 4), T
A
= 25°C ±5nA
T
MIN
to T
MAX
● ±25 nA
Zero-Scale Error T
A
= 25°C ±0.03 LSB
T
MIN
to T
MAX
● ±0.15 LSB
PSRR Power Supply Rejection V
CC
= 5V ±10% ● ±0.0001 ±0.002 %/%
Reference Input
R
REF
V
REF
Input Resistance ● 81115 kΩ
V
REFA
, V
REFB
Input Resistance Match ● 3%
AC Performance (Note 3)
Digital-to-Analog Glitch Impulse (Notes 5, 6) 1 nV-s
Multiplying Feedthrough Error (Note 11) –89 –80 dB
Output Current Settling Time (Note 5) To 0.01% for Full-Scale Change 0.3 0.8 µs
Channel-to-Channel Isolation (Note 7) –90 dB
Digital Crosstalk (Notes 5, 8) 1 nV-s
Output Noise Voltage Density (Note 9) 13 nV/√Hz
THD Total Harmonic Distortion (Note 10) –108 –92 dB
Multiplying Bandwidth (Note 12) 1 MHz
