Datasheet

24
LTC1854/LTC1855/LTC1856
185456fa
„ LINEAR TECHNOLOGY CORPORATION 2006
LT 0407 REV A • PRINTED IN THE USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
U
TYPICAL APPLICATIO
RELATED PARTS
2.5V
REFERENCE
INTERNAL
CLOCK
1.6384X
4.096V
8k
AGND1
CONTROL
LOGIC
SERIAL I/O
INPUT MUX
AGND3
AGND2
REFCOMP
V
REF
ADC
–
MUXOUT
+
MUXOUT
–
ADC
+
DGND
AV
DD
DV
DD
MUX ADDRESS
DATA OUT
CONVST 28
25
22
26
27
21
23
3V TO 5V
SDI
BUSY
SCK
RD
OV
DD
SDO
18545 TA03
12-/14-/16-BIT
SAMPLING ADC
+
–
COM
19 20
5V
5V
1
2
3
9
CH7
14 11 10 12 13 15 16 17 18 24
1μF
0.1μF
CH1
SINGLE-ENDED
OR DIFFERENTIAL
CHANNEL
SELECTION
(SEE TABLE 1)
INPUT RANGE:
±10V
•
•
•
CH0
10μF
0.1μF10μF
8-BIT SERIAL
DATA INPUT
16 SHIFT CLOCK CYCLES
16-BIT SERIAL DATA OUT
10μF 0.1μF10μF 0.1μF
PART NUMBER DESCRIPTION COMMENTS
Sampling ADCs
LTC1418 14-Bit, 200ksps, Single 5V or ±5V ADC 15mW, Serial/Parallel I/O
LTC1604 16-Bit, 333ksps, ±5V ADC 90dB SINAD, 220mW Power Dissipation, Pin Compatible with LTC1608
LTC1605 16-Bit, 100ksps, Single 5V ADC ±10V Inputs, 55mW, Byte or Parallel I/O, Pin Compatible with LTC1606
LTC1606 16-Bit, 250ksps, Single 5V ADC ±10V Inputs, 75mW, Byte or Parallel I/O, Pin Compatible with LTC1605
LTC1608 16-Bit, 500ksps, ±5V ADC 90dB SINAD, 270mW Power Dissipation, Pin Compatible with LTC1604
LTC1609 16-Bit, 200ksps Serial ADC Configurable Unipolar/Bipolar Input, Up to 10V Single 5V Supply
LTC1850/LTC1851 10-Bit/12-Bit, 8-Channel, 1.25Msps ADC Programmable MUX and Sequencer, Parallel I/O
LTC1859/LTC1858/ 16-Bit, 14-Bit, 12-Bit, 100ksps, SoftSpan ADCs Software-Selectable Spans, Pin Compatible with
LTC1857
LTC1864/LTC1865 16-Bit, 1-/2-Channel, 250ksps ADC in MSOP Single 5V Supply, 850mA with Autoshutdown
LTC1864L/LTC1865L 3V, 16-Bit, 1-/2-Channel, 150ksps ADC in MSOP Single 3V Supply, 450mA with Autoshutdown
LTC1856/LTC1855/LTC1854
DACs
LTC1588/LTC1589 12-/14-/16-Bit, Serial, SoftSpan I
OUT
DACs Software-Selectable Spans, ±1LSB INL/DNL
LTC1592
LTC1595 16-Bit Serial Multiplying I
OUT
DAC in SO-8 ±1LSB Max INL/DNL, Low Glitch, DAC8043 16-Bit Upgrade
LTC1596 16-Bit Serial Multiplying I
OUT
DAC ± 1LSB Max INL/DNL, Low Glitch, AD7543/DAC8143 16-Bit Upgrade
LTC1597 16-Bit Parallel, Multiplying DAC ±1LSB Max INL/DNL, Low Glitch, 4 Quadrant Resistors
LTC1650 16-Bit Serial V
OUT
±5V DAC Low Power, Low Glitch, 4-Quadrant Multiplication
LTC2704-16/ 16-Bit, 14-Bit, 12-Bit, Serial, Quad SoftSpan Software-Selectable Spans, ±2LSB INL, ±1LSB INL,
LTC2704-14/ V
OUT
DACs Force/Sense Output
LTC2704-12