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LTC1605-2

Linear Technology
Part Number LTC1605-2
Manufacturer Linear Technology
Description Single Supply 16-Bit/ 100ksps/ Sampling ADCs
Published Mar 27, 2005
Detailed Description LTC1605-1/LTC1605-2 Single Supply 16-Bit, 100ksps, Sampling ADCs FEATURES s s s s s s s s s DESCRIPTIO Sample Rate: 1...
Datasheet PDF File LTC1605-2 PDF File

LTC1605-2
LTC1605-2

Overview
LTC1605-1/LTC1605-2 Single Supply 16-Bit, 100ksps, Sampling ADCs FEATURES s s s s s s s s s DESCRIPTIO Sample Rate: 100ksps Complete 16-Bit Solution on a Single 5V Supply Unipolar Input Range: 0V to 4V (LTC1605-1) Bipolar Input Range: ±4V (LTC1605-2) Power Dissipation: 55mW Typ Signal-to-Noise Ratio: 86dB Typ Operates with Internal or External Reference Internal Synchronized Clock 28-Pin 0.
3" PDIP and SSOP Packages The LTC ®1605-1/LTC1605-2 are 100ksps, sampling 16-bit A/D converters that draw only 55mW (typical) from a single 5V supply.
These easy-to-use devices include a sample-and-hold, precision reference, switched capacitor successive approximation A/D and trimmed internal clock.
The LTC1605-1’s input range is 0V to 4V while the LTC1605-2’s input range is ±4V.
An external reference can be used if greater accuracy over temperature is needed.
The ADC has a microprocessor compatible, 16-bit or two byte parallel output port.
A convert start input and a data ready signal (BUSY) ease connections to FIFOs, DSPs and microprocessors.
, LTC and LT are registered trademarks of Linear Technology Corporation.
U APPLICATIO S s s s s Industrial Process Control Multiplexed Data Acquisition Systems High Speed Data Acquisition for PCs Digital Signal Processing TYPICAL APPLICATIO LTC1605-1 Low Power, 100kHz, 16-Bit Sampling ADC on 5V Supply 5V 10µF 28 27 VDIG VANA 0V TO 4V 200Ω INPUT 33.
2k 4 CAP BUSY 26 BUFFER 3 REF 4k 2.
5V REFERENCE CONTROL LOGIC AND TIMING CS 25 R/C 24 BYTE 23 AGND1 2 AGND2 5 DGND 14 1605-1/2 TA01 0.
1µF 1 VIN 4k 6 TO 13 15 TO 22 16-BIT SAMPLING ADC 20k 10k D15 TO D0 INL (LSBs) 16-BIT OR 2 BYTE PARALLEL BUS 2.
5V 2.
2µF 2.
5V 2.
2µF DIGITAL CONTROL SIGNALS U Typical INL Curve 2.
0 1.
5 1.
0 0.
5 0 –0.
5 –1.
0 –1.
5 –2.
0 0 16384 32768 CODE 1605-1/2 TA02/G04 U 49152 65535 1 LTC1605-1/LTC1605-2 ABSOLUTE (Notes 1, 2) AXI U RATI GS W U PACKAGE/ORDER I FOR ATIO TOP VIEW VIN 1 AGND1 2 REF 3 CAP 4 AGND2 5 D15 (MSB) 6 D14 7 D13 8 D12 9 D11 10 D10 11 D9 12 D8...


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