Datasheet

2
LTC1603
1603f
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
U
ORDER
PART NUMBER
AV
DD
= DV
DD
= OV
DD
= V
DD
(Notes 1, 2)
Supply Voltage (V
DD
)................................................ 6V
Negative Supply Voltage (V
SS
) ............................... –6V
Total Supply Voltage (V
DD
to V
SS
) .......................... 12V
Analog Input Voltage
(Note 3) .........................(V
SS
– 0.3V) to (V
DD
+ 0.3V)
V
REF
Voltage (Note 4) ................. –0.3V to (V
DD
+ 0.3V)
REFCOMP Voltage (Note 4) .........–0.3V to (V
DD
+ 0.3V)
Digital Input Voltage (Note 4) ....................–0.3V to 10V
Digital Output Voltage.................. –0.3V to (V
DD
+ 0.3V)
Power Dissipation............................................. 500mW
Operating Temperature Range
LTC1603C .............................................. 0°C to 70°C
LTC1603I............................................ –40°C to 85°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
T
JMAX
= 125°C, θ
JA
= 95°C/W
CCHARA TERIST
ICS
CO
U
VERTER
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. With Internal Reference (Notes 5, 6)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) ● 16 16 Bits
Integral Linearity Error (Note 7) ● ±1 ±3 LSB
Transition Noise (Note 8) 0.7 LSB
Offset Error (Note 9) ● ±0.05 ±0.125 %
Offset Tempco (Note 9) 0.5 ppm/°C
Full-Scale Error Internal Reference ±0.125 ±0.25 %
External Reference ±0.25 %
Full-Scale Tempco I
OUT
(Reference) = 0, Internal Reference ±15 ppm/°C
LTC1603CG
LTC1603IG
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Analog Input Range (Note 2) 4.75 ≤ V
DD
≤ 5.25V, –5.25 ≤ V
SS
≤ –4.75V, ±2.5 V
V
SS
≤ (A
IN
–
, A
IN
+
) ≤ AV
DD
I
IN
Analog Input Leakage Current CS = High ● ±1 µA
C
IN
Analog Input Capacitance Between Conversions 43 pF
During Conversions 5 pF
t
ACQ
Sample-and-Hold Acquisition Time 380 ns
t
AP
Sample-and-Hold Acquisition Delay Time –1.5 ns
t
jitter
Sample-and-Hold Acquisition Delay Time Jitter 5 ps
RMS
CMRR Analog Input Common Mode Rejection Ratio –2.5V < (A
IN
–
= A
IN
+
) < 2.5V 68 dB
PUT
U
IA
A
U
LOG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
TOP VIEW
G PACKAGE
36-LEAD PLASTIC SSOP
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
AV
DD
AV
DD
V
SS
SHDN
CS
CONV
RD
OV
DD
OGND
BUSY
D0
D1
D2
D3
D4
D5
D6
D7
A
IN
+
A
IN
–
V
REF
REFCOMP
AGND
AGND
AGND
AGND
DV
DD
DGND
D15 (MSB)
D14
D13
D12
D11
D10
D9
D8
Consult LTC Marketing for parts specified with wider operating temperature ranges.
The ● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at T
A
= 25°C.