LTC1854_15 Datasheet, PDF (24/24 Pages) Linear Technology – 8-Channel, 10V Input 12-/14-/16-Bit, 100ksps ADC Converters with Shutdown

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