ltc2620ign-trpbf Linear Technology Corporation, ltc2620ign-trpbf Datasheet

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ltc2620ign-trpbf

Manufacturer Part Number
ltc2620ign-trpbf
Description
Ltc2610 - Octal 14-bit Rail-to-rail Dacs In 16-lead Ssop
Manufacturer
Linear Technology Corporation
Datasheet
FEATURES
APPLICATIO S
BLOCK DIAGRA
V
V
V
V
CS/LD
OUT A
OUT B
OUT C
OUT D
GND
SCK
REF
Smallest Pin-Compatible Octal DACs:
LTC2600: 16 Bits
LTC2610: 14 Bits
LTC2620: 12 Bits
Guaranteed 16-Bit Monotonic Over Temperature
Wide 2.5V to 5.5V Supply Range
Low Power Operation: 250 A per DAC at 3V
Individual Channel Power-Down to 1 A, Max
Ultralow Crosstalk between DACs (<10 V)
High Rail-to-Rail Output Drive ( 15mA, Min)
Double-Buffered Digital Inputs
Pin-Compatible 10-/8-Bit Versions
(LTC1660/LTC1665)
Tiny 16-Lead Narrow SSOP Package
Mobile Communications
Process Control and Industrial Automation
Instrumentation
Automatic Test Equipment
1
2
3
4
5
6
7
8
DAC D
DAC A
DAC B
DAC C
U
CONTROL
W
LOGIC
32-BIT SHIFT REGISTER
DECODE
POWER-ON
Rail-to-Rail DACs in 16-Lead SSOP
RESET
DAC H
DAC G
DAC F
DAC E
DESCRIPTIO
MICROWIRE is a trademark of National Semiconductor Corporation.
The LTC
12-bit, 2.5V-to-5.5V rail-to-rail voltage-output DACs in
16-lead narrow SSOP packages. They have built-in high
performance output buffers and are guaranteed mono-
tonic.
These parts establish new board-density benchmarks for
16- and 14-bit DACs and advance performance standards
for output drive, crosstalk and load regulation in single-
supply, voltage-output multiples.
The parts use a simple SPI/MICROWIRE
3-wire serial interface which can be operated at clock rates
up to 50MHz. Daisy-chain capability and a hardware CLR
function are included.
The LTC2600/LTC2610/LTC2620 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.
16
15
14
13
12
11
10
9
, LTC and LT are registered trademarks of Linear Technology Corporation.
2600 BD
V
V
V
V
V
CLR
SDO
SDI
CC
OUT H
OUT G
OUT F
OUT E
LTC2600/LTC2610/LTC2620
®
2600/LTC2610/LTC2620 are octal 16-, 14- and
Octal 16-/14-/12-Bit
U
Differential Nonlinearity (LTC2600)
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
0
0
V
V
CC
REF
= 5V
= 4.096V
16384
32768
CODE
TM
49152
compatible
2600 G21
65535
2600fa
1

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ltc2620ign-trpbf Summary of contents

Page 1

... 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. , LTC and LT are registered trademarks of Linear Technology Corporation. MICROWIRE is a trademark of National Semiconductor Corporation. 16 ...

Page 2

... ORDER PART NUMBER TOP VIEW LTC2600CGN LTC2600IGN 15 V OUT H LTC2610CGN 14 V OUT G LTC2610IGN 13 V OUT F LTC2620CGN 12 V OUT E LTC2620IGN 11 CLR 10 SDO GN PART MARKING 9 SDI 2600 GN PACKAGE 2600I 2610 = 125 C, = 150 C/W JA 2610I 2620 2620I unloaded, unless otherwise noted. REF CC OUT ...

Page 3

ELECTRICAL C HARA TERISTICS C temperature range, otherwise specifications are at T SYMBOL PARAMETER PSR Power Supply Rejection R DC Output Impedance OUT DC Crosstalk (Note 4) I Short-Circuit Output Current SC Reference Input Input Voltage Range Resistance Capacitance I ...

Page 4

LTC2600/LTC2610/LTC2620 ELECTRICAL C HARA TERISTICS C temperature range, otherwise specifications are at T SYMBOL PARAMETER CONDITIONS AC Performance t Settling Time (Note 8) S Settling Time for 1LSB Step (Note 9) Voltage Output Slew Rate Capacitive Load Driving Glitch Impulse ...

Page 5

W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2600 Integral Nonlinearity (INL 4.096V REF –8 –16 –24 –32 0 16384 32768 49152 65535 CODE 2600 G20 DNL vs Temperature 1.0 ...

Page 6

LTC2600/LTC2610/LTC2620 W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2610 Integral Nonlinearity (INL 4.096V 6 REF –2 –4 –6 –8 0 4096 8192 12288 16383 CODE 2600 G28 LTC2620 Integral Nonlinearity ...

Page 7

W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2600/LTC2610/LTC2620 Zero-Scale Error vs Temperature 3 2.5 2.0 1.5 1.0 0.5 0 –50 –30 – TEMPERATURE ( C) 2600 G04 Gain Error 0.4 0.3 0.2 0.1 ...

Page 8

LTC2600/LTC2610/LTC2620 W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2600/LTC2610/LTC2620 Supply Current vs Logic Voltage 2 SWEEP SCK, SDI 2.3 AND CS/LD 2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 0 0.5 1 ...

Page 9

PIN FUNCTIONS GND (Pin 1): Analog Ground (Pins 2-5 and 12-15): DAC Analog OUT A OUT H Voltage Outputs. The output range is 0 – V REF (Pin 6): Reference Voltage Input ...

Page 10

LTC2600/LTC2610/LTC2620 W BLOCK DIAGRA GND 1 DAC OUT A DAC OUT B V DAC C 4 OUT C DAC OUT D REF 6 7 CS/LD SCK ...

Page 11

U OPERATIO Power-On Reset The LTC2600/LTC2610/LTC2620 clear the outputs to zero scale when power is first applied, making system initializa- tion consistent and repeatable. For some applications, downstream circuits are active during DAC power-up, and may be sensitive to nonzero ...

Page 12

LTC2600/LTC2610/LTC2620 U OPERATIO INPUT WORD (LTC2600) COMMAND ADDRESS INPUT WORD (LTC2610) COMMAND ADDRESS INPUT WORD (LTC2620) COMMAND ADDRESS shows ...

Page 13

U OPERATIO The selected DAC is powered up as its voltage output is updated. There is an initial delay as the DAC powers up before it begins its usual settling behavior. If less than eight DACs are in a powered-down ...

Page 14

LTC2600/LTC2610/LTC2620 U OPERATIO 14 2600fa ...

Page 15

... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 16

... GND GND 7. LTC2428CG = 4.5V to 5.5V 4.096V CC OUT = 2.7V to 5.5V 2.5V CC OUT = 5V(3V), Low Power, Deglitched CC OUT = 2.7V to 5.5V, Micropower, Rail-to-Rail Output CC LT/TP 1103 1K REV A • PRINTED IN THE USA LINEAR TECHNOLOGY CORPORATION 2003 0.1 F JP1 ON/OFF 3 2 DISABLE ADC 1 R6 7.5k CS SCK R7 2600fa ...

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