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LTC2393IUK-16#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LTC2393-16
1
239316fa
TYPICAL APPLICATION
DESCRIPTION
16-Bit, 1Msps SAR ADC
With 94dB SNR
The LTC
®
2393-16 is a low noise, high speed 16-bit suc-
cessive approximation register (SAR) ADC. Operating
from a single 5V supply, the LTC2393-16 supports a large
±4.096V fully differential input range, making it ideal for
high performance applications which require maximum
dynamic range. The LTC2393-16 achieves ±2LSB INL
max, no missing codes at 16-bits and 94.2dB SNR (typ).
The LTC2393-16 includes a precision internal reference
with a guaranteed 0.5% initial accuracy and a ±20ppm/°C
(max) temperature coefficient. Fast 1Msps throughput with
no cycle latency in both parallel and serial interface modes
makes the LTC2393-16 ideally suited for a wide variety
of high speed applications. An internal oscillator sets the
conversion time, easing external timing considerations.
The LTC2393-16 dissipates only 140mW at 1Msps, while
both nap and sleep power-down modes are provided to
further reduce power during inactive periods.
FEATURES
APPLICATIONS
n
1Msps Throughput Rate
n
±2LSB INL (Max)
n
Guaranteed 16-Bit No Missing Codes
n
94.2dB SNR (Typ) at f
IN
= 20kHz
n
Guaranteed Operation to 125°C
n
Single 5V Supply
n
1.8V to 5V I/O Voltages
n
140mW Power Dissipation
n
±4.096V Differential Input Range
n
Internal Reference (20ppm/°C Max)
n
No Pipeline Delay, No Cycle Latency
n
Parallel and Serial Interface
n
Internal Conversion Clock
n
48-Lead 7mm × 7mm LQFP and QFN Packages
n
Medical Imaging
n
High Speed Data Acquisition
n
Digital Signal Processing
n
Industrial Process Control
n
Instrumentation
n
ATE
16k Point FFT f
S
= 1Msps,
f
IN
= 20kHz
FREQUENCY (kHz)
0
–180
AMPLITUDE (dBFS)
–160
–120
–100
–80
200
400
500
0
239316 G08
–140
100 300
–60
–40
–20
SNR = 94.2dB
THD –105dB
SINAD = 93.9dB
SFDR = 108dB
5V
0.1μF10μF
5V
0.1μF10μF
SER/PAR
BYTESWAP
OB/2C
CS
RD
BUSY
PARALLEL
OR
SERIAL
INTERFACE
OGND
239316 TA01
IN
–
IN
+
2200pF
249Ω
249Ω
ANALOG INPUT
0V TO 4.096V
SINGLE-ENDED-
TO-DIFFERENTIAL
DRIVER
GNDRESETCNVST PD
SAMPLE CLOCK
REFOUTREFIN
AVP DVP
LTC2393-16
OVP
1.8V TO 5V
16 BIT
VCM
1μF10μF
4.7μF
LT6350
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
LTC2393-16
2
239316fa
Supply Voltage (V
AVP
, V
DVP
, V
OVP
) ..........................6.0V
Analog Input Voltage (Note 3)
IN
+
, IN
–
, REFIN, CNVST .. (GND – 0.3V) to (V
AVP
+ 0.3V)
Digital Input Voltage ........(GND – 0.3V) to (V
OVP
+ 0.3V)
Digital Output Voltage .....(GND – 0.3V) to (V
OVP
+ 0.3V)
Power Dissipation ...............................................500mW
(Notes 1, 2)
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2393CUK-16#PBF LTC2393CUK-16#TRPBF LTC2393UK-16 48-Lead 7mm × 7mm Plastic QFN 0°C to 70°C
LTC2393IUK-16#PBF LTC2393IUK-16#TRPBF LTC2393UK-16 48-Lead 7mm × 7mm Plastic QFN –40°C to 85°C
LEAD FREE FINISH TRAY PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2393CLX-16#PBF LTC2393CLX-16#PBF LTC2393LX-16 48-Lead 7mm × 7mm Plastic LQFP 0°C to 70°C
LTC2393ILX-16#PBF LTC2393ILX-16#PBF LTC2393LX-16 48-Lead 7mm × 7mm Plastic LQFP –40°C to 85°C
LTC2393HLX-16#PBF LTC2393HLX-16#PBF LTC2393LX-16 48-Lead 7mm × 7mm Plastic LQFP –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard 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/
ABSOLUTE MAXIMUM RATINGS
TOP VIEW
49
GND
UK PACKAGE
48-LEAD (7mm s 7mm) PLASTIC QFN
GND
1
AVP 2
DVP 3
SER/PAR 4
GND 5
OB/2C 6
GND
7
BYTESWAP 8
D0 9
D1 10
D2 11
D3 12
36 VCM
35 GND
34 CNVST
33 PD
32 RESET
31 CS
30 RD
29 BUSY
28 D15
27 D14
26 D13
25 D12
48 GND
47 AVP
46 AVP
45 AVP
44 GND
43 IN
+
42 IN
–
41 GND
40 AVP
39 REFSENSE
38 REFIN
37 REFOUT
D4
13
D5 14
D6 15
D7 16
OGND
17
OVP 18
DVP
19
GND
20
D8 21
D9/SDIN 22
D10/SDOUT 23
D11/SCLK 24
T
JMAX
= 125°C, θ
JA
= 29°C/W
EXPOSED PAD (PIN 49) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
GND
AVP
DVP
SER/PAR
GND
OB/2C
GND
BYTESWAP
D0
D1
D2
D3
13
14
15
16
17
18
19
20
21
22
23
24
D4
D5
D6
D7
OGND
OVP
DVP
GND
D8
D9/SDIN
D10/SDOUT
D11/SCLK
48
47
46
45
44
43
42
41
40
39
38
37
GND
AVP
AVP
AVP
GND
IN
+
IN
–
GND
AVP
REFSENSE
REFIN
REFOUT
VCM
GND
CNVST
PD
RESET
CS
RD
BUSY
D15
D14
D13
D12
TOP VIEW
LX PACKAGE
48-LEAD (7mm s 7mm) PLASTIC LQFP
T
JMAX
= 150°C, θ
JA
= 55°C/W
PIN CONFIGURATION
Operating Temperature Range
LTC2393C ................................................ 0°C to 70°C
LTC2393I.............................................. –40°C to 85°C
LTC2393H .......................................... –40°C to 125°C
Storage Temperature Range ................... –65°C to 150°C
LTC2393-16
3
239316fa
ANALOG INPUT
The l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at T
A
= 25°C. (Note 4)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
+
Absolute Input Range (IN
+
) (Note 5)
l
–0.05 AVP V
V
IN
–
Absolute Input Range (IN
–
) (Note 5)
l
–0.05 AVP V
V
IN
+
– V
IN
–
Input Differential Voltage Range V
IN
= V
IN
+
– V
IN
–
l
–V
REF
V
REF
V
V
CM
Common Mode Input Range
l
V
REF
/2 – 0.05 V
REF
/2 V
REF
/2 + 0.05 V
I
IN
Analog Input Leakage Current
l
±1 μA
C
IN
Analog Input Capacitance Sample Mode
Hold Mode
45
5
pF
pF
CMRR Input Common Mode Rejection Ratio 70 dB
CONVERTER CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution
l
16 Bits
No Missing Codes
l
16 Bits
Transition Noise 0.3 LSB
RMS
INL Integral Linearity Error (Note 6)
l
–2 ±1 2 LSB
DNL Differential Linearity Error
l
–1 1 LSB
BZE Bipolar Zero Error (Note 7)
l
–7 7 LSB
Bipolar Zero Error Drift 1 ppm/°C
FSE Bipolar Full-Scale Error External Reference
Internal Reference (Note 7)
l
0.1
0.1
%
%
Bipolar Full-Scale Error Drift ±10 ppm/°C
DYNAMIC ACCURACY
The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. A
IN
= –1dBFS (Notes 4, 8)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio f
IN
= 20kHz
l
92 93.9 dB
SNR Signal-to-Noise Ratio f
IN
= 20kHz
l
92.5 94.2 dB
THD Total Harmonic Distortion f
IN
= 20kHz, First 5 Harmonics (C- and I-Grades)
f
IN
= 20kHz, First 5 Harmonics (H-Grade)
l
–105
–105
–100
–98
dB
dB
SFDR Spurious-Free Dynamic Range f
IN
= 20kHz 108 dB
–3dB Input Bandwidth 50 MHz
Aperture Delay 0.5 ns
Aperture Jitter 7ps
RMS
Transient Response Full-Scale Step 60 ns
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LTC2393IUK-16#PBF

Mfr. #:
Buy LTC2393IUK-16#PBF
Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC 5V 16-bit 1Msps Int Ref Parallel / Serial SAR ADC in QFN-48
Lifecycle:
New from this manufacturer.
Delivery:
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