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LTC1605AIG#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
LTC1605
1
1605fd
For more information www.linear.com/LTC1605
TYPICAL APPLICATION
FEATURES DESCRIPTION
16-Bit, 100ksps,
Sampling ADC
The LTC
®
1605 is a 100ksps, sampling 16-bit A/D converter
that draws only 55mW (typical) from a single 5V supply.
This easy-to-use device includes sample-and-hold, preci-
sion reference, switched capacitor successive approxima-
tion A/D and trimmed internal clock.
The LTC1605’s input range is an industry standard ±10V.
Maximum DC specs include ±2.0LSB INL and 16-bits no
missing codes over temperature. 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.
Low Power, 100kHz, 16-Bit Sampling ADC on 5V Supply
APPLICATIONS
n
Single 5V Supply
n
Bipolar Input Range: ±10V
n
Power Dissipation: 55mW Typ
n
Guaranteed No Missing Codes
n
Sample Rate: 100ksps
n
Integral Nonlinearity: ±2.0LSB Max
n
Signal-to-Noise Ratio: 86dB Typ
n
Operates with Internal or External Reference
n
Internal Synchronized Clock
n
Improved 2nd Source to ADS7805 and AD976
n
28-Lead SSOP and SW Packages
n
Industrial Process Control
n
Multiplexed Data Acquisition Systems
n
High Speed Data Acquisition for PCs
n
Digital Signal Processing
L, LT , LT C , LT M, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Typical INL Curve
4k
20k20k200Ω
REFERENCE
4k 10k
16-BIT
SAMPLING ADC
D15 TO D0
33.2k
2.2μF
10μF 0.1μF
2.2μF
10V
INPUT
V
IN
CAP
REF
AGND1
1
4
3
2
AGND2
5
DGND
14
CONTROL
LOGIC AND
TIMING
BUSY
BYTE
CS
R/C
28 27
6 TO 13
15 TO 22
26
25
24
23
DIGITAL
CONTROL
SIGNALS
1605 • TA01
16-BIT
OR 2 BYTE
PARALLEL
BUS
5V
V
DIG
V
ANA
BUFFER
CODE
0
INL (LSBs)
65535
1605 • TA02
16384
32768
49152
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
LTC1605
2
1605fd
For more information www.linear.com/LTC1605
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
V
ANA
..........................................................................7V
V
DIG
to V
ANA
............................................................0.3V
V
DIG
...........................................................................7V
Ground Voltage Difference
DGND, AGND1 and AGND2 ................................±0.3V
Analog Inputs (Note 3)
V
IN
.....................................................................±25V
CAP ............................. V
ANA
+ 0.3V to AGND2 – 0.3V
REF ....................................Indefinite Short to AGND2
.......................................... Momentary Short to V
ANA
Digital Input Voltage (Note 4) ..........DGND – 0.3V to 10V
Digital Output Voltage
........ V
DGND
– 0.3V to V
DIG
+ 0.3V
Power Dissipation
.............................................. 500mW
Operating Ambient Temperature Range
LTC1605C ................................................ 0°C to 70°C
LTC1605I .............................................–40°C to 85°C
Storage Temperature Range
.................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
...................300°C
(Notes 1, 2)
T
JMAX
= 125°C, θ
JA
= 95°C/W (G)
T
JMAX
= 125°C, θ
JA
= 130°C/W (N)
T
JMAX
= 125°C, θ
JA
= 130°C/W (SW)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
IN
AGND1
REF
CAP
AGND2
D15 (MSB)
D14
D13
D12
D11
D10
D9
D8
DGND
V
DIG
V
ANA
BUSY
CS
R/C
BYTE
D0
D1
D2
D3
D4
D5
D6
D7
G PACKAGE
28-LEAD PLASTIC SSOP
SW PACKAGE
28-LEAD PLASTIC SO WIDE
OBSOLETE PACKAGE
N PACKAGE
28-LEAD PDIP
TOP VIEW
EXPOSED PAD (PIN #) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC1605ACG#PBF LTC1605ACG#TRPBF 1605ACG 28-Lead Plastic SSOP 0°C to 70°C
LTC1605AIG#PBF LTC1605AIG#TRPBF 1605AIG 28-Lead Plastic SSOP –40°C to 85°C
LTC1605CG#PBF LTC1605CG#TRPBF 1605CG 28-Lead Plastic SSOP 0°C to 70°C
LTC1605IG#PBF LTC1605IG#TRPBF 1605IG 28-Lead Plastic SSOP –40°C to 85°C
LTC1605ACSW#PBF LTC1605ACSW#TRPBF 1605ACSW 28-Lead Plastic SO Wide 0°C to 70°C
LTC1605AISW#PBF LTC1605AISW#TRPBF 1605AISW 28-Lead Plastic SO Wide –40°C to 85°C
LTC1605CSW#PBF LTC1605CSW#TRPBF 1605CSW 28-Lead Plastic SO Wide 0°C to 70°C
LTC1605ISW#PBF LTC1605ISW#TRPBF 1605ISW 28-Lead Plastic SO Wide –40°C to 85°C
OBSOLETE PACKAGE
LTC1605CN#PBF LTC1605CN#TRPBF 1605CN 28-Lead PDIP 0°C to 70°C
LTC1605IN#PBF LTC1605IN#TRPBF 1605IN 28-Lead PDIP –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
LTC1605
3
1605fd
For more information www.linear.com/LTC1605
CONVERTER CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Notes 5, 6)
PARAMETER CONDITIONS
LTC1605 LTC1605A
UNITSMIN TYP MAX MIN TYP MAX
Resolution
l
16 16 Bits
No Missing Codes
l
15 16 Bits
Transition Noise 1.0 1.0 LSB
Integral Linearity Error (Note 7)
l
±3 ±2 LSB
Bipolar Zero Error Ext. Reference = 2.5V (Note 8)
l
±10 ±10 mV
Bipolar Zero Error Drift ±2 ±2 ppm/°C
Full-Scale Error Drift ±7 ±5 ppm/°C
Full-Scale Error Ext. Reference = 2.5V (Notes 12, 13)
l
±0.50 ±0.25 %
Full-Scale Error Drift Ext. Reference = 2.5V ±2 ±2 ppm/°C
Power Supply Sensitivity
V
ANA
= V
DIG
= V
DD
V
DD
= 5V ±5% (Note 9) ±8 ±8 LSB
SYMBOL PARAMETER
CONDITIONS
LTC1605/LTC1605A
UNITSMIN TYP MAX
V
IN
Analog Input Range (Note 9) 4.75V ≤ V
ANA
≤ 5.25V, 4.75V ≤ V
DIG
≤ 5.25V
l
±10 V
C
IN
Analog Input Capacitance 10 pF
R
IN
Analog Input Impedance 20 kΩ
ANALOG INPUT
(Notes 5, 14)
DYNAMIC ACCURACY
SYMBOL PARAMETER CONDITIONS
LTC1605/LTC1605A
UNITSMIN TYP MAX
S/(N + D) Signal-to-(Noise + Distortion) Ratio 1kHz Input Signal (Note 14) 87.5 dB
10kHz Input Signal 87 dB
20kHz, –60dB Input Signal 30 dB
THD Total Harmonic Distortion 1kHz Input Signal, First 5 Harmonics –102 dB
10kHz Input Signal, First 5 Harmonics –94 dB
Peak Harmonic or Spurious Noise 1kHz Input Signal –102 dB
10kHz Input Signal –94 dB
Full-Power Bandwidth (Note 15) 275 kHz
Aperture Delay 40 ns
Aperture Jitter Sufficient to Meet AC Specs
Transient Response Full-Scale Step (Note 9) 2 µs
Overvoltage Recovery (Note 16) 150 ns
The l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at T
A
= 25°C. (Note 5)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

LTC1605AIG#TRPBF

Mfr. #:
Buy LTC1605AIG#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC 100ksps 16-Bit Parallel ADC
Lifecycle:
New from this manufacturer.
Delivery:
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