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LTC2602CMS8#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
1
LTC2602/LTC2612/LTC2622
2602fa
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
BLOCK DIAGRA
W
DESCRIPTIO
U
APPLICATIO S
U
FEATURES
V
OUT A
REF
CS/LD
SCK
V
OUT B
GND
V
CC
SDI
2602 BD01
8
1
2
4
3
5
7 6
16-BIT
DAC A
16-BIT
DAC B
DECODE
CONTROL
LOGIC
24-BIT SHIFT REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
The LTC
®
2602/LTC2612/LTC2622 are dual 16-,14- and
12-bit, 2.5V-to-5.5V rail-to-rail voltage-output DACs, in a
tiny 8-lead MSOP package. They have built-in high per-
formance output buffers and are guaranteed monotonic.
These parts establish advanced performance standards
for output drive, crosstalk and load regulation in single-
supply, voltage output multiples.
The parts use a simple SPI/MICROWIRE™ compatible
3-wire serial interface which can be operated at clock
rates up to 50MHz.
The LTC2602/LTC2612/LTC2622 incorporate a power-
on reset circuit. During power-up, the voltage outputs
rise less than 10mV above zero scale, and after power-
up, they stay at zero scale until a valid write and update
take place.
■
Smallest Pin-Compatible Dual DACs:
LTC2602: 16-Bits
LTC2612: 14-Bits
LTC2622: 12-Bits
■
Guaranteed 16-Bit Monotonic Over Temperature
■
Wide 2.5V to 5.5V Supply Range
■
Low Power Operation: 300µA per DAC at 3V
■
Individual Channel Power-Down to 1µA, Max
■
Ultralow Crosstalk between DACs (30µV)
■
High Rail-to-Rail Output Drive (±15mA)
■
Double-Buffered Data Latches
■
Pin-Compatible 10-Bit Version (LTC1661)
■
Tiny 8-Lead MSOP Package
■
Mobile Communications
■
Process Control and Industrial Automation
■
Instrumentation
■
Automatic Test Equipment
Differential Nonlinearity (DNL)(LTC2602)
CODE
0 16384 32768 49152 65535
ERROR (LSB)
2602 TA01
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
V
CC
= 5V
V
REF
= 4.096V
LTC2602
Dual 16-/14-/12-Bit
Rail-to-Rail DACs in 8-Lead MSOP
2
LTC2602/LTC2612/LTC2622
2602fa
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
ORDER PART NUMBER
WU
U
PACKAGE
/
O
RDER I FOR ATIO
(Note 1)
Any Pin to GND........................................... – 0.3V to 6V
Any Pin to V
CC
........................................................
–6V to 0.3V
Maximum Junction Temperature ......................... 125°C
Operating Temperature Range
LTC2602C/LTC2612C/LTC2622C .......... 0°C to 70°C
LTC2602I/LTC2612I/LTC2622I .......... –40°C to 85°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................ 300°C
MS8 PART MARKING
E
LECTR
IC
AL C CHARA TERIST
ICS
LTC2602CMS8
LTC2602IMS8
LTC2612CMS8
LTC2612IMS8
LTC2622CMS8
LTC2622IMS8
LTACX
LTACY
LTACZ
LTADA
LTADB
LTADC
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 2.5V to 5.5V, V
REF
≤ V
CC
, V
OUT
unloaded, unless otherwise noted.
LTC2622 LTC2612 LTC2602
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
DC Performance
Resolution ● 12 14 16 Bits
Monotonicity V
CC
= 5V, V
REF
= 4.096V (Note 2) ● 12 14 16 Bits
DNL Differential Nonlinearity V
CC
= 5V, V
REF
= 4.096V (Note 2) ● ±0.5 ±1 ±1LSB
INL Integral Nonlinearity V
CC
= 5V, V
REF
= 4.096V (Note 2) ● ±0.75 ±4 ±3 ±16 ±12 ±64 LSB
Load Regulation V
REF
= V
CC
= 5V, Midscale
I
OUT
= 0mA to 15mA Sourcing ● 0.025 0.125 0.1 0.5 0.4 2 LSB/mA
I
OUT
= 0mA to 15mA Sinking ● 0.05 0.125 0.2 0.5 0.65 2 LSB/mA
V
REF
= V
CC
= 2.5V, Midscale
I
OUT
= 0mA to 7.5mA Sourcing ● 0.05 0.25 0.2 1 0.9 4 LSB/mA
I
OUT
= 0mA to 7.5mA Sinking ● 0.1 0.25 0.4 1 1.3 4 LSB/mA
ZSE Zero-Scale Error V
CC
= 5V, V
REF
= 4.096V Code = 0 ● 19 19 19 mV
V
OS
Offset Error V
CC
= 5V, V
REF
= 4.096V (Note 7) ● ±1 ±9 ±1 ±9 ±1 ±9mV
V
OS
Temperature ±5 ±5 ±5 µV/°C
Coefficient
GE Gain Error V
CC
= 5V, V
REF
= 4.096V ● ±0.1 ±0.7 ±0.1 ±0.7 ±0.1 ±0.7 %FSR
Gain Temperature ±3 ±3 ±3 ppm/°C
Coefficient
T
JMAX
= 125°C, θ
JA
= 300°C/W
1
2
3
4
CS/LD
SCK
SDI
REF
8
7
6
5
V
OUT A
GND
V
CC
V
OUT B
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
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/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
3
LTC2602/LTC2612/LTC2622
2602fa
E
LECTR
IC
AL C CHARA TERIST
ICS
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 2.5V to 5.5V, V
REF
≤ V
CC
, V
OUT
unloaded, unless otherwise noted.
LTC2602/LTC2612/LTC2622
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSRR Power Supply Rejection Ratio V
CC
= 5V ±10% –80 dB
R
OUT
DC Output Impedance V
REF
= V
CC
= 5V, Midscale; –15mA ≤ I
OUT
≤ 15mA ● 0.05 0.15 Ω
V
REF
= V
CC
= 2.5V, Midscale; –7.5mA ≤ I
OUT
≤ 7.5mA ● 0.05 0.15 Ω
DC Crosstalk (Note 4) Due to Full Scale Output Change (Note 5) ±30 µV
Due to Load Current Change ±16 µV/mA
Due to Powering Down (per Channel) ±4 µV
I
SC
Short-Circuit Output Current V
CC
= 5.5V, V
REF
= 5.5V
Code: Zero Scale; Forcing Output to V
CC
● 15 34 60 mA
Code: Full Scale; Forcing Output to GND
● 15 38 60 mA
V
CC
= 2.5V, V
REF
= 2.5V
Code: Zero Scale; Forcing Output to V
CC
● 7.5 20 50 mA
Code: Full Scale; Forcing Output to GND
● 7.5 28 50 mA
Reference Input
Input Voltage Range ● 0V
CC
V
Resistance Normal Mode ● 44 64 80 kΩ
Capacitance 23 pF
I
REF
Reference Current, Power Down Mode All DACs Powered Down ● 0.001 1 µA
Power Supply
V
CC
Positive Supply Voltage For Specified Performance ● 2.5 5.5 V
I
CC
Supply Current V
CC
= 5V (Note 3) ● 0.7 1.3 mA
V
CC
= 3V (Note 3) ● 0.6 1 mA
All DACs Powered Down (Note 3) V
CC
= 5V ● 0.35 1 µA
All DACs Powered Down (Note 3) V
CC
= 3V ● 0.10 1 µA
Digital I/O
V
IH
Digital Input High Voltage V
CC
= 2.5V to 5.5V ● 2.4 V
V
CC
= 2.5V to 3.6V ● 2.0 V
V
IL
Digital Input Low Voltage V
CC
= 4.5V to 5.5V ● 0.8 V
V
CC
= 2.7V to 5.5V ● 0.6 V
V
CC
= 2.5V to 5.5V ● 0.5 V
I
LK
Digital Input Leakage V
IN
= GND to V
CC
● ±1 µA
C
IN
Digital Input Capacitance (Note 6) ● 8pF
LTC2622 LTC2612 LTC2602
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
AC Performance
t
s
Settling Time (Note 8) ±0.024% (±1LSB at 12 Bits) 7 7 7 µs
±0.006% (±1LSB at 14 Bits) 9 9 µs
±0.0015% (±1LSB at 16 Bits) 10 µs
Settling Time for ±0.024% (±1LSB at 12 Bits) 2.7 2.7 2.7 µs
1LSB Step (Note 9) ±0.006% (±1LSB at 14 Bits) 4.8 4.8 µs
±0.0015% (±1LSB at 16 Bits) 5.2 µs
Voltage Output Slew Rate 0.80 0.80 0.80 V/µs
Capacitive Load Driving 1000 1000 1000 pF
Glitch Impulse At Midscale Transition 12 12 12 nV • s
Multiplying Bandwidth 180 180 180 kHz
e
n
Output Voltage Noise At f = 1kHz 120 120 120 nV/√Hz
Density At f = 10kHz 100 100 100 nV/√Hz
Output Voltage Noise 0.1Hz to 10Hz 15 15 15 µV
P-P
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LTC2602CMS8#TRPBF

Mfr. #:
Buy LTC2602CMS8#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC 2x 16-B R2R DACs in 8-Lead MS
Lifecycle:
New from this manufacturer.
Delivery:
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