Datasheet

2
LTC1605
1605fc
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
WU
U
PACKAGE
/
O
RDER I FOR ATIO
(Notes 1, 2)
V
ANA
.......................................................................... 7V
V
DIG
to V
ANA
........................................................... 0.3V
V
DIG
........................................................................... 7V
Ground Voltage Difference
DGND, AGND1 and AGND2 .............................. ±0.3V
Analog Inputs (Note 3)
V
IN
..................................................................... ±25V
CAP ............................ V
ANA
+ 0.3V to AGND2 – 0.3V
REF .................................... Indefinite Short to AGND2
Momentary Short to V
ANA
Digital Input Voltage (Note 4) ........ DGND – 0.3V to 10V
Digital Output Voltage ........ V
DGND
– 0.3V to V
DIG
+ 0.3V
Power Dissipation.............................................. 500mW
Operating Ambient Temperature Range
LTC1605C ............................................... 0°C to 70°C
LTC1605I............................................ – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
CONVERTER CHARACTERISTICS
U
LTC1605 LTC1605A
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Resolution ● 16 16 Bits
No Missing Codes ● 15 16 Bits
Transition Noise 1.0 1.0 LSB
Integral Linearity Error (Note 7) ● ±3 ±2LSB
Bipolar Zero Error Ext. Reference = 2.5V (Note 8) ● ±10 ±10 mV
Bipolar Zero Error Drift ±2 ±2 ppm/°C
Full-Scale Error Drift ±7 ±5 ppm/°C
Full-Scale Error Ext. Reference = 2.5V (Notes 12, 13) ● ±0.50 ±0.25 %
Full-Scale Error Drift Ext. Reference = 2.5V ±2 ±2 ppm/°C
Power Supply Sensitivity
V
ANA
= V
DIG
= V
DD
V
DD
= 5V ±5% (Note 9) ±8 ±8LSB
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. With external reference (Notes 5, 6).
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/
ORDER PART NUMBER
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC1605ACG
LTC1605ACSW
LTC1605AIG
LTC1605AISW
LTC1605CG
T
JMAX
= 125°C, θ
JA
= 95°C/W (G)
T
JMAX
= 125°C, θ
JA
= 130°C/W (N)
T
JMAX
= 125°C, θ
JA
= 130°C/W (SW)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
IN
AGND1
REF
CAP
AGND2
D15 (MSB)
D14
D13
D12
D11
D10
D9
D8
DGND
V
DIG
V
ANA
BUSY
CS
R/C
BYTE
D0
D1
D2
D3
D4
D5
D6
D7
G PACKAGE
28-LEAD PLASTIC SSOP
SW PACKAGE
28-LEAD PLASTIC SO WIDE
N PACKAGE
28-LEAD PDIP
TOP VIEW
LTC1605CN
LTC1605CSW
LTC1605IG
LTC1605IN
LTC1605ISW