Datasheet
2
LTC1657/LTC1657L
(Note 1)
V
CC
to GND .............................................. –0.5V to 7.5V
TTL Input Voltage, REFHI, REFLO,
X1/X2....................................................... –0.5V to 7.5V
V
OUT
, REFOUT ............................ –0.5V to (V
CC
+ 0.5V)
Operating Temperature Range
LTC1657C/LTC1657LC .......................... 0°C to 70°C
LTC1657I/LTC1657LI ...................... –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
= 95°C/ W (GN)
T
JMAX
= 125°C, θ
JA
= 58°C/ W (N)
LTC1657CGN
LTC1657CN
LTC1657IGN
LTC1657IN
LTC1657LCGN
LTC1657LCN
LTC1657LIGN
LTC1657LIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
N PACKAGE
28-LEAD PDIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
WR
CSLSB
CSMSB
(LSB) D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
LDAC
CLR
X1/X2
V
OUT
V
CC
REFOUT
REFHI
REFLO
GND
D15 (MSB)
D14
D13
D12
D11
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 4.5V to 5.5V (LTC1657), V
CC
= 2.7V to 5.5V (LTC1657L),
V
OUT
unloaded, REFOUT tied to REFHI, REFLO tied to GND, X1/X2 tied to GND, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
DAC (Note 2)
Resolution ● 16 Bits
Monotonicity ● 16 Bits
DNL Differential Nonlinearity Guaranteed Monotonic (Note 3) ● ±0.5 ±1 LSB
INL Integral Nonlinearity (Note 3) ● ±4 ±12 LSB
ZSE Zero Scale Error ● 02mV
V
OS
Offset Error Measured at Code 200 (LTC1657) ● ±0.3 ±3mV
Measured at Code 200 (LTC1657L)
● ±0.4 ±4mV
V
OS
TC Offset Error Tempco ±5 µV/°C
Gain Error ● ±2 ±16 LSB
Gain Error Drift LTC1657 0.5 ppm/°C
LTC1657L 1.0 ppm/°C
Power Supply
V
CC
Positive Supply Voltage For Specified Performance (LTC1657) ● 4.5 5.5 V
For Specified Performance (LTC1657L)
● 2.7 5.5 V
I
CC
Supply Current (Note 4) ● 650 1200 µA
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
Consult factory for parts specified with wider operating temperature ranges.