Datasheet

LTC1604
2
1604fa
PACKAGE/ORDER INFORMATIONABSOLUTE MAXIMUM RATINGS
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
LTC1604C ................................................ 0°C to 70°C
LTC1604I ..............................................–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) ...................300°C
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
T
JMAX
= 125°C, θ
JA
= 95°C/W
ORDER
PART NUMBER
LTC1604CG
LTC1604IG
LTC1604ACG
LTC1604AIG
Consult factory for Military grade parts.
CONVERTER CHARACTERISTICS
ANALOG INPUT
With Internal Reference (Notes 5, 6)
PARAMETER CONDITIONS
LTC1604 LTC1604A
UNITSMIN TYP MAX MIN TYP MAX
Resolution (No Missing Codes)
l
15 16 16 16 Bits
Integral Linearity Error (Note 7)
l
±1 ±4 ±0.5 ±2 LSB
Transition Noise (Note 8) 0.7 0.7 LSB
Offset Error (Note 9)
l
±0.05 ±0.125 ±0.05 ±0.125 %
Offset Tempco (Note 9) 0.5 0.5 ppm/°C
Full-Scale Error Internal Reference
External Reference
±0.125 ±0.25
±0.25
±0.125 ±0.25
±0.25
%
%
Full-Scale Tempco I
OUT
(Reference) = 0, Internal Reference ±15 ±15 ppm/°C
AV
DD
= DV
DD
= OV
DD
= V
DD
(Notes 1, 2)
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,
V
SS
≤ (A
IN
–
, A
IN
+
) ≤ AV
DD
±2.5 V
I
IN
Analog Input Leakage Current CS = High
l
±1 μA
C
IN
Analog Input Capacitance Between Conversions
During Conversions
43
5
pF
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