LTC1857/LTC1858/LTC1859
22
185789fb
For more information www.linear.com/LTC1857
© LINEAR TECHNOLOGY CORPORATION 2004
LT 0615 REV B • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC1857
RELATED PARTS
TYPICAL APPLICATION
2.5V
REFERENCE
INTERNAL
CLOCK
1.6384X
4.096V
8k
AGND1
CONTROL
LOGIC
SERIAL I/O
INPUT MUX
AND
RANGE
SELECT
AGND3
AGND2
REFCOMP
V
REF
ADC
–
MUXOUT
+
MUXOUT
–
ADC
+
DGND
AV
DD
DV
DD
MUX ADDRESS AND RANGE
DATA OUT
CONVST 28
25
22
26
27
21
23
3V TO 5V
SDI
BUSY
SCK
RD
OV
DD
SDO
1859 TA03
12-/14-/16-BIT
SAMPLING ADC
+
–
COM
19 20
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 RANGES:
0V TO 5V
0V TO 10V
±5V AND ±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
LTC1417 14-Bit, 400ksps Serial ADC 5V or ±5V, 20mW, 81dB SINAD and –95dB THD
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, Single 5V Supply
LTC1850/LTC1851 10-Bit/12-Bit, 8-Channel, 1.25Msps ADC Programmable MUX and Sequencer, Parallel I/O
LTC1852/LTC1853 10-Bit/12-Bit, 8-Channel, 400ksps ADC Single 3V-5V, Programmable MUX and Sequencer, Parallel I/O
LTC1864/LTC1865 16-Bit, 1-/2-Channel, 250ksps ADC in MSOP Single 5V Supply, 850µA with Autoshutdown
LTC1864L/LTC1865L 3V, 16-Bit, 1-/2-Channel, 150ksps ADC in MSOP Single 3V Supply, 450µA with Autoshutdown
DACs
LTC1588/LTC1589/
LTC1592
12-/14-/16-Bit, Serial, SoftSpan I
OUT
DACs Software-Selectable Spans, ±1LSB INL/DNL
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
DAC Low Power, Low Gritch, 4-Quadrant Multiplication
Op Amps
LT1468/LT1469 Single/Dual 90MHz, 22V/µs, 16-Bit Accurate Op Amp Low Input Offset : 75µV/125µV
