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LTC1658IMS8#TRPBF

P1-P3P4-P6P7-P9P10-P12
1
LTC1658
14-Bit Rail-to-Rail
Micropower DAC in MSOP
FEATURES
■
14-Bit Resolution
■
8-Lead MSOP Package
■
Buffered True Rail-to-Rail Voltage Output
■
3V or 5V Single Supply Operation
■
Very Low Power: I
CC(TYP)
= 270µA
■
Power-On Reset
■
3-Wire Cascadable Serial Interface is Compatible
with SPI and MICROWIRE
TM
■
Maximum DNL Error: 1LSB
■
Low Cost
The LTC
®
1658 is a single supply, rail-to-rail voltage out-
put, 14-bit digital-to-analog converter (DAC) in an 8-lead
MSOP package. It includes an output buffer amplifier and
an easy-to-use 3-wire cascadable serial interface.
The LTC1658 output swings from 0V to V
REF
. The REF pin
can be tied to V
CC
for rail-to-rail output swing. The LTC1658
operates from a single 2.7V to 5.5V supply. The typical
power supply current is 270µA.
The low power supply current makes the LTC1658 ideal
for battery-powered applications. The space saving MSOP
provides the smallest 14-bit DAC system available.
DESCRIPTION
U
Functional Block Diagram: 14-Bit Rail-to-Rail DAC
■
Digital Calibration
■
Industrial Process Control
■
Automatic Test Equipment
■
Cellular Telephones
APPLICATIONS
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
U
–
+
14-BIT
DAC
2.7V TO 5.5V
GND
POWER-ON
RESET
TO
OTHER
DACS
16-BIT
SHIFT
REG
AND
DAC
LATCH
µP
D
IN
V
CC
14
REF
2
86
D
OUT
4
5
1658 TA01
CLK1
CS/LD3
7
RAIL-TO-RAIL
VOLTAGE
OUTPUT
V
OUT
MICROWIRE is a trademark of National Semiconductor Corporation.
CODE
0
–1.0
–0.2
–0.4
–0.6
–0.8
0
0.2
0.4
0.6
0.8
1.0
DNL ERROR (LSB)
4096 8192
1658 TA02
12288
16383
Differential Nonlinearity
vs Input Code
2
LTC1658
ABSOLUTE MAXIMUM RATINGS
W
WW
U
V
CC
to GND .............................................. –0.5V to 7.5V
TTL Input Voltage .................................... –0.5V to 7.5V
V
REF
..........................................................–0.5V to 7.5V
V
OUT
........................................... –0.5V to (V
CC
+ 0.5V)
Junction Temperature.......................... –65°C to 125°C
Operating Temperature Range
Commercial ............................................ 0°C to 70°C
Industrial ............................................. –40°C to 85°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
V
CC
= 2.7V to 5.5V, V
OUT
unloaded, REF ≤ V
CC
, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
ORDER PART
NUMBER
ORDER PART
NUMBER
LTC1658CMS8
LTC1658IMS8
S8 PART MARKING
1658
1658I
LTC1658CN8
LTC1658IN8
LTC1658CS8
LTC1658IS8
Consult factory for Military grade parts.
T
JMAX
= 125°C, θ
JA
= 100°C/W(N8)
T
JMAX
= 125°C, θ
JA
= 150°C/W(S8)
1
2
3
4
8
7
6
5
TOP VIEW
CLK
D
IN
CS/LD
D
OUT
V
CC
V
OUT
REF
GND
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C, θ
JA
= 250°C/W
1
2
3
4
CLK
D
IN
CS/LD
D
OUT
8
7
6
5
V
CC
V
OUT
REF
GND
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
MS8 PART MARKING
LTCW
LTFW
WU
U
PACKAGE
/
O
RDER I FOR ATIO
(Note 1)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
DAC
Resolution ● 14 Bits
Monotonicity ● 14 Bits
DNL Differential Nonlinearity V
REF
≤ V
CC
– 0.1V (Note 2) ● ±1.0 LSB
INL Integral Nonlinearity V
REF
≤ V
CC
– 0.1V (Note 2) ● ±8.0 LSB
Zero Scale Error T
A
= 25°C, N8 and S8 Package 1.5 mV
T
A
= T
MIN
to T
MAX
, N8 and S8 Package ● 4.0 mV
T
A
= T
MIN
to T
MAX
, MSOP Package ● 7.0 mV
Offset Error T
A
= 25°C, N8 and S8 Package, (Note 7) ±1.5 mV
T
A
= T
MIN
to T
MAX
, N8 and S8 Package, (Note 7) ● ±4.0 mV
T
A
= T
MIN
to T
MAX
, MSOP Package, (Note 7) ● ±7.0 mV
V
OS
TC Offset Error Temperature ±5 µV/°C
Coefficient
Gain Error ● ±20 LSB
Gain Error Drift ±2.5 ppm/°C
Power Supply
V
CC
Positive Supply Voltage For Specified Performance ● 2.7 5.5 V
I
CC
Supply Current 2.7V ≤ V
CC
≤ 5.5V (Note 4) ● 270 550 µA
Op Amp DC Performance
Short-Circuit Current Low V
OUT
Shorted to GND ● 55 120 mA
Short-Circuit Current High V
OUT
Shorted to V
CC
● 55 120 mA
3
LTC1658
V
CC
= 2.7V to 5.5V, V
OUT
unloaded, REF ≤ V
CC
, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Output Impedance to GND Input Code = 0 ● 70 200 Ω
Output Line Regulation Input Code = 16383, V
CC
= 2.7V to 5.5V, REF = 2.5V ● 1.5 mV/V
AC Performance
Voltage Output Slew Rate ● 0.35 1.0 V/µs
Voltage Output Settling Time (Note 3) to ±0.5LSB 12 µs
Digital Feedthrough 0.3 nV• s
Reference Input
R
IN
REF Input Resistance ● 30 60 kΩ
V
REF
REF Input Range (Notes 5, 6) ● 0V
CC
V
Digital I/O
V
IH
Digital Input High Voltage V
CC
= 5V ● 2.4 V
V
IL
Digital Input Low Voltage V
CC
= 5V ● 0.8 V
V
OH
Digital Output High Voltage V
CC
= 5V, I
OUT
= –1mA, D
OUT
Only ● V
CC
– 0.7 V
V
OL
Digital Output Low Voltage V
CC
= 5V, I
OUT
= 1mA, D
OUT
Only ● 0.4 V
V
IH
Digital Input High Voltage V
CC
= 3V ● 2.0 V
V
IL
Digital Input Low Voltage V
CC
= 3V ● 0.6 V
V
OH
Digital Output High Voltage V
CC
= 3V, I
OUT
= –1mA, D
OUT
Only ● V
CC
– 0.7 V
V
OL
Digital Output Low Voltage V
CC
= 3V, I
OUT
= 1mA, D
OUT
Only ● 0.4 V
I
LEAK
Digital Input Leakage V
IN
= GND to V
CC
● ±10 µA
C
IN
Digital Input Capacitance (Note 6) ● 10 pF
Switching (V
CC
= 4.5V to 5.5V)
t
1
D
IN
Valid to CLK Setup ● 40 ns
t
2
D
IN
Valid to CLK Hold ● 0ns
t
3
CLK High Time (Note 6) ● 40 ns
t
4
CLK Low Time (Note 6) ● 40 ns
t
5
CS/LD Pulse Width (Note 6) ● 50 ns
t
6
LSB CLK to CS/LD (Note 6) ● 40 ns
t
7
CS/LD Low to CLK (Note 6) ● 20 ns
t
8
D
OUT
Output Delay C
LOAD
= 15pF ● 5 100 ns
t
9
CLK Low to CS/LD Low (Note 6) ● 20 ns
Switching (V
CC
= 2.7V to 5.5V)
t
1
D
IN
Valid to CLK Setup ● 60 ns
t
2
D
IN
Valid to CLK Hold ● 0ns
t
3
CLK High Time (Note 6) ● 60 ns
t
4
CLK Low Time (Note 6) ● 60 ns
t
5
CS/LD Pulse Width (Note 6) ● 80 ns
t
6
LSB CLK to CS/LD (Note 6) ● 60 ns
t
7
CS/LD Low to CLK (Note 6) ● 30 ns
t
8
D
OUT
Output Delay C
LOAD
= 15pF ● 10 150 ns
t
9
CLK Low to CS/LD Low (Note 6) ● 30 ns
P1-P3P4-P6P7-P9P10-P12

LTC1658IMS8#TRPBF

Mfr. #:
Buy LTC1658IMS8#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC 14-bit Micropower DAC in MSOP Package
Lifecycle:
New from this manufacturer.
Delivery:
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