Datasheet

2
LTC1654
1654fb
(Note 1)
V
CC
to GND .............................................. –0.5V to 7.5V
TTL Input Voltage, REFHI,
REFLO, X
1
/X
1/2
........................................ –0.5V to 7.5V
V
OUT
, SDO .................................. –0.5V to (V
CC
+ 0.5V)
Operating Temperature Range
LTC1654C ............................................. 0°C to 70°C
LTC1654I ........................................ – 40°C to 85°C
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER PART
NUMBER
T
JMAX
= 125°C, θ
JA
= 110°C/W
LTC1654CGN
LTC1654IGN
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
X
1
/X
1/2
B
CLR
SCK
SDI
CS/LD
DGND
SDO
X
1
/X
1/2
A
V
CC
V
OUT B
REFHI B
REFLO B
AGND
REFLO A
REFHI A
V
OUT A
GN PART MARKING
1654
1654I
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
The ● denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at T
A
= 25°C. Unless otherwise noted, V
CC
= 2.7V to 5.5V, V
OUT A
, V
OUT B
unloaded, REFHI A,
REFHI B = 4.096V (V
CC
= 5V), REFHI A, REFHI B = 2.048V (V
CC
= 2.7V), REFLO = 0V, X
1
/X
1/2
= 0V.
ELECTRICAL CHARACTERISTICS
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
DAC
n Resolution ● 14 Bits
Monotonicity ● 14 Bits
DNL Differential Nonlinearity Guaranteed Monotonic (Note 2) ● ±0.3 ±1 LSB
INL Integral Nonlinearity Integral Nonlinearity (Note 2) ● ±1.2 ±4 LSB
ZSE Zero Scale Error 0°C ≤ T
A
≤ 70°C ● 0 6.5 mV
–40°C ≤ T
A
≤ 85°C ● 9.0 mV
V
OS
Offset Error 0°C ≤ T
A
≤ 70°C (Note 3) ● ±6.5 mV
–40°C ≤ T
A
≤ 85°C (Note 3) ● ±9.0 mV
V
OS
TC Offset Error Tempco ±15 µV/°C
Gain Error ● ±24 LSB
Gain Error Drift 5 ppm/°C
Power Supply
V
CC
Positive Supply Voltage For Specified Performance ● 2.7 5.5 V
I
CC
Supply Current (SLOW/FAST) 2.7V ≤ V
CC
≤ 5.5V (Note 5) SLOW ● 540 850 µA
2.7V ≤ V
CC
≤ 5.5V (Note 5) FAST ● 930 1400 µA
2.7V ≤ V
CC
≤ 3.3V (Note 5) SLOW ● 350 500 µA
2.7V ≤ V
CC
≤ 3.3V (Note 5) FAST ● 680 1000 µA
In Shutdown (Note 5)
● 310 µA
Op Amp DC Performance
Short-Circuit Current Low V
OUT
Shorted to GND ● 70 120 mA
Short-Circuit Current High V
OUT
Shorted to V
CC
● 80 120 mA
Output Impedance to GND Input Code = 0 ● 40 200 Ω
PSR Power Supply Rejection REFHIA, REFHIB = 4.096V (V
CC
= 5V ±10%) ● 2.5 mV/V
REFHIA, REFHIB = 2.048V (V
CC
= 3V ±10%)
Input Code = 16383