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LTC1458LCSW

Quad 12-Bit Rail-to-Rail Micropower DACs

Linear Technology 

LTC1458/LTC1458L

ABSOLUTE AXI U RATI GS

(Note 1)

VCC to GND .............................................. – 0.5V to 7.5V

Logic Inputs to GND ................................ – 0.5V to 7.5V

VOUT A , VOUT B, VOUT C, VOUT D,

X1/X2 A , X1/X2 B, X1/X2 C,

X1/X2 D ......................................... – 0.5V to VCC + 0.5V

REFHI A , REFHI B, REFHI C, REFHI D,

REFLO A , REFLO B, REFLO C,

REFLO D ........................................ – 0.5V to VCC + 0.5V

Maximum Junction Temperature ......................... 125°C

Operating Temperature Range

LTC1458C/LTC1458LC ............................ 0°C to 70°C

LTC1458I/LTC1458LI ........................ – 40°C to 85°C

Storage Temperature Range ................ – 65°C to 150°C

Lead Temperature (Soldering, 10 sec)................. 300°C

UW U

PACKAGE/ORDER I FOR ATIO

X1/X2 C 1

VOUT C 2

CS/LD 3

DIN 4

REFHI C 5

GND 6

REFLO C 7

REFLO D 8

REFHI D 9

DOUT 10

CLK 11

NC 12

VOUT D 13

X1/X2 D 14

TOP VIEW

28 VCC

27 X1/X2 B

26 VOUT B

25 CLR

24 REFHI B

23 GND

22 REFLO B

21 REFLO A

20 REFHI A

19 REFOUT

18 NC

17 VOUT A

16 X1/X2 A

15 VCC

G PACKAGE

28-LEAD PLASTIC SSOP

SW PACKAGE

28-LEAD PLASTIC SO

TJMAX = 125°C, θJA = 100°C/W (G)

TJMAX = 125°C, θJA = 150°C/W (SW)

Consult factory for Military grade parts.

ORDER PART

NUMBER

LTC1458CG

LTC1458CSW

LTC1458LCG

LTC1458LCSW

LTC1458IG

LTC1458ISW

LTC1458LIG

LTC1458LISW

ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = TMIN to TMAX. VCC = 4.5V to 5.5V (LTC1458), 2.7V to 5.5V (LTC1458L),

X1/X2 = REFLO = GND, REFHI = REFOUT, VOUT unloaded, unless otherwise noted.

SYMBOL PARAMETER

CONDITIONS

MIN TYP MAX

UNITS

DAC

Resolution

q

12

Bits

DNL

Differential Nonlinearity

Guaranteed Monotonic (Note 2)

q

±0.5

LSB

INL

Integral Nonlinearity

TA = 25°C

(Note 2)

±1.75 ±4.0

LSB

q

±2.25 ±4.5

LSB

VOS

Offset Error

TA = 25°C

±3.0 ±12

mV

q

±6.0 ±18

mV

VOSTC

Offset Error Temperature

Coefficient

±15

µV/°C

VFS

Full-Scale Voltage

When Using Internal Reference, LTC1458, TA = 25°C

4.065 4.095 4.125

V

LTC1458

q

4.045 4.095 4.145

V

When Using Internal Reference, LTC1458L, TA = 25°C

2.470 2.500 2.530

V

LTC1458L

q

2.460 2.500 2.540

V

VFSTC

Full-Scale Voltage

Temperature Coefficient

When Using Internal Reference

± 24

ppm/°C

Reference

Reference Output Voltage

LTC1458

LTC1458L

q

2.008 2.048 2.088

V

q

1.195 1.220 1.245

V

Reference Output

Temperature Coefficient

± 20

ppm/°C

Reference Line Regulation

q

0.7 ±2.0

LSB / V

Reference Load Regulation

0 ≤ IOUT ≤ 100µA, LTC1458

LTC1458L

q

0.2

1.5

LSB

q

0.6

3.0

LSB

Reference Input Range

Reference Input Resistance

VREFHI ≤ VCC – 1.5V

VCC / 2

V

q

15

24

40

kΩ

2

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