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ADS5433
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FEATURES
APPLICATIONS
RELATED DEVICES
DESCRIPTION
FUNCTIONAL BLOCK DIAGRAM
Reference
Timing
CLK
OVR
D[13:0]
CLK
6
DMID
DRY
VREF
AIN
AIN
TH1
5
5
DAC2
ADC2
ADC3
DAC1
ADC1
A3
A1
TH2
TH3
C1
C2
AV
DD
DRV
DD
GND
Digital Error Correction
A2
+
-
+
-
B0061-02
ADS5433
SLAS503 APRIL 2006
14 BIT, 80 MSPS ANALOG-TO-DIGITAL CONVERTER
52 Pin HTQFP Package With Exposed
Heatsink
14 Bit Resolution
Pin Compatible to the ADS5423, ADS5424,
80 MSPS Maximum Sample Rate
and AD6644/45
Typical SNR = 74.4 dBc at 80 MSPS and
Industrial Temperature Range = 40
C to
30 MHz IF
85
C
Typical SFDR = 96.5 dBc at 80 MSPS and
30 MHz IF
Assured SFDR = 91 dBc at 80 MSPS and
Single and Multichannel Digital Receivers
30 MHz IF
Base Station Infrastructure
2.2 V
pp
Differential Input Range
Instrumentation
5 V Supply Operation
Video and Imaging
3.3 V CMOS Compatible Outputs
1.85 W Total Power Dissipation
Clocking: CDC7005
2s Complement Output Format
Amplifiers: OPA695, THS4509
On-Chip Input Analog Buffer, Track and Hold,
and Reference Circuit
The ADS5433 is a 14 bit 80 MSPS analog-to-digital converter (ADC) that operates from 5 V and 3.3 V supplies
while providing 3.3 V CMOS compatible digital outputs. The ADS5433 is optimized for spurious-free dynamic
range (SFDR). Pin-compatible to the ADS5423, ADS5424, and AD6644/45, the ADS5433 provides enhanced
SFDR for input frequencies up to 100 MHz. At 80 MSPS, SFDR is typically 96.5 dBc and is guaranteed to 91
dBc over the industrial temperature range (-40
C to 85
C) with a -1 dBFS 30 MHz input signal.
The ADS5433 input buffer isolates the internal switching of the on-chip Track and Hold (T&H) from disturbing the
signal source. A 2.2 V
PP
input range and internal reference generator simplify system design. The ADS5433 is
available in a 52 pin HTQFP package and is built on Texas Instrument's complementary bipolar process
(BiCom3).
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2006, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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ABSOLUTE MAXIMUM RATINGS
THERMAL CHARACTERISTICS
(1)
ADS5433
SLAS503 APRIL 2006
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be
more susceptible to damage because very small parametric changes could cause the device not to meet its published
specifications.
PACKAGE/ORDERING INFORMATION
SPECIFIED
PACKAGE
PACKAGE
PACKAGE
ORDERING
TRANSPORT
PRODUCT
TEMPERATURE
LEAD
DESIGNATOR
MARKING
NUMBER
MEDIA, QTY
RANGE
ADS5433IPJY
Tray, 160
HTQFP-
ADS5433
PJY
-40
C to 85
C
ADS5433I
52
(1)
PowerPADTM
ADS5433IPJYR
Tape and Reel, 1000
(1)
Thermal pad size: Octagonal 2,5 mm side
over operating free-air temperature range (unless otherwise noted)
(1)
ADS5433
UNIT
AV
DD
to GND
6
V
Supply voltage
DRV
DD
to GND
5
Analog input to GND
0.3 to AV
DD
+ 0.3
V
Clock input to GND
0.3 to AV
DD
+ 0.3
V
CLK to CLK
2.5
V
Digital data output to GND
0.3 to DRV
DD
+ 0.3
V
Operating temperature range
40 to 85
C
Maximum junction temperature
150
C
Storage temperature range
65 to 150
C
(1)
Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may
degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those specified is not implied.
PARAMETER
TEST CONDITIONS
TYP
UNIT
JA
Soldered slug, no airflow
22.5
C/W
JA
Soldered slug, 200-LPFM airflow
15.8
C/W
JA
Unsoldered slug, no airflow
33.3
C/W
JA
Unsoldered slug, 200-LPFM airflow
25.9
C/W
JC
Bottom of package (heatslug)
2
C/W
(1)
Using 25 thermal vias (5
5 array). See the Application Section.
2
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RECOMMENDED OPERATING CONDITIONS
ADS5433
SLAS503 APRIL 2006
MIN
TYP
MAX
UNIT
SUPPLIES
AV
DD
Analog supply voltage
4.75
5
5.25
V
DRV
DD
Output driver supply voltage
3
3.3
3.6
V
ANALOG INPUT
Differential input range
2.2
V
PP
V
CM
Input common-mode voltage
2.4
V
DIGITAL OUTPUT
Maximum output load
10
pF
CLOCK INPUT
ADCLK input sample rate (sine wave) 1/t
C
30
80
MSPS
Clock amplitude, sine wave, differential
(1)
3
V
PP
Clock duty cycle
(2)
50%
Open free-air temperature range
40
85
C
(1)
See
Figure 12
and
Figure 13
for more information.
(2)
See
Figure 11
for more information.
3
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ELECTRICAL CHARACTERISTICS
ADS5433
SLAS503 APRIL 2006
Over full temperature range (T
MIN
= 40
C to T
MAX
= 85
C), sampling rate = 80 MSPS, 50% clock duty cycle, AV
DD
= 5 V,
DRV
DD
= 3.3 V, 1 dBFS differential input, and 3 V
PP
differential sinusoidal clock, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
RESOLUTION
14
Bits
ANALOG INPUTS
Differential input range
2.2
V
PP
Differential input resistance
See
Figure 27
1
k
Differential input capacitance
See
Figure 27
1.5
pF
Analog input bandwidth
570
MHz
INTERNAL REFERENCE VOLTAGES
V
REF
Reference voltage
2.4
V
DYNAMIC ACCURACY
No missing codes
Tested
DNL
Differential linearity error
f
IN
= 10 MHz
0.95
0.5
1.5
LSB
INL
Integral linearity error
f
IN
= 10 MHz
1.5
LSB
Offset error
5
0
5
mV
Offset temperature coefficient
1.7
ppm/
C
Gain error
5
0.9
5
%FS
PSRR
1
mV/V
Gain temperature coefficient
77
ppm/
C
POWER SUPPLY
I
AVDD
Analog supply current
V
IN
= full scale, f
IN
= 30 MHz
355
410
mA
I
DRVDD
Output buffer supply current
V
IN
= full scale, f
IN
= 30 MHz
35
47
mA
Total power with 10-pF load on each digital
Power dissipation
1.85
2.2
W
output to ground, f
IN
= 70 MHz
Power-up time
20
100
ms
DYNAMIC AC CHARACTERISTICS
f
IN
= 10 MHz
74.6
f
IN
= 30 MHz
73
74.4
f
IN
= 50 MHz
74.3
SNR
Signal-to-noise ratio
f
IN
= 70 MHz
73
74
dBc
f
IN
= 100 MHz
73.4
f
IN
= 170 MHz
71.9
f
IN
= 230 MHz
70.5
f
IN
= 10 MHz
95.3
f
IN
= 30 MHz
91
96.5
f
IN
= 50 MHz
95.7
SFDR
Spurious-free dynamic range
f
IN
= 70 MHz
90.8
dBc
f
IN
= 100 MHz
84
f
IN
= 170 MHz
70
f
IN
= 230 MHz
61.3
4
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ELECTRICAL CHARACTERISTICS (Continued)
DIGITAL CHARACTERISTICS
ADS5433
SLAS503 APRIL 2006
Over full temperature range (T
MIN
= 40
C to T
MAX
= 85
C), sampling rate = 80 MSPS, 50% clock duty cycle, AV
DD
= 5 V,
DRV
DD
= 3.3 V, 1 dBFS differential input, and 3 V
PP
differential sinusoidal clock, unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DYNAMIC AC CHARACTERISTICS (Continued)
f
IN
= 10 MHz
72.8
74.5
f
IN
= 30 MHz
74.4
f
IN
= 50 MHz
74.2
SINAD
Signal-to-noise + distortion
f
IN
= 70 MHz
73.8
dBc
f
IN
= 100 MHz
73
f
IN
= 170 MHz
67.4
f
IN
= 230 MHz
59.9
f
IN
= 10 MHz
105
f
IN
= 30 MHz
103
f
IN
= 50 MHz
103
HD2
Second harmonic
f
IN
= 70 MHz
94
dBc
f
IN
= 100 MHz
96
f
IN
= 170 MHz
77
f
IN
= 230 MHz
67
f
IN
= 10 MHz
97
f
IN
= 30 MHz
101
f
IN
= 50 MHz
97
HD3
Third harmonic
f
IN
= 70 MHz
91
dBc
f
IN
= 100 MHz
84
f
IN
= 170 MHz
70
f
IN
= 230 MHz
61
f
IN
= 10 MHz
99
f
IN
= 30 MHz
98
f
IN
= 50 MHz
99
Worst-harmonic/spur (other than
f
IN
= 70 MHz
98
dBc
HD2 and HD3)
f
IN
= 100 MHz
98
f
IN
= 170 MHz
94
f
IN
= 230 MHz
92
RMS idle channel noise
Input pins tied together
0.9
LSB
Over full temperature range (T
MIN
= 40
C to T
MAX
= 85
C), AV
DD
= 5 V, DRV
DD
= 3.3 V, unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DIGITAL OUTPUTS
Low-level output voltage
C
LOAD
= 10 pF
(1)
0.1
0.6
V
High-level output voltage
C
LOAD
= 10 pF
(1)
2.6
3.2
V
Output capacitance
3
pF
DMID
DRV
DD
/2
V
(1)
Equivalent capacitance to ground of (load + parasitics of transmission lines).
5
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