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Analog Devices Semiconductor Electronic Components Datasheet

AD9057 Datasheet

8-Bit 40 MSPS/60 MSPS/80 MSPS A/D Converter

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AD9057 pdf
a
FEATURES
8-Bit, Low Power ADC: 200 mW Typical
120 MHz Analog Bandwidth
On-Chip 2.5 V Reference and Track-and-Hold
1 V p-p Analog Input Range
Single 5 V Supply Operation
5 V or 3 V Logic Interface
Power-Down Mode: <10 mW
3 Performance Grades (40 MSPS, 60 MSPS, 80 MSPS)
APPLICATIONS
Digital Communications (QAM Demodulators)
RGB and YC/Composite Video Processing
Digital Data Storage Read Channels
Medical Imaging
Digital Instrumentation
8-Bit 40 MSPS/60 MSPS/80 MSPS
A/D Converter
AD9057
FUNCTIONAL BLOCK DIAGRAM
AIN
BIAS OUT
VREF IN
VREF OUT
VD
PWRDN
VDD
AD9057
T/H
1k
ADC
2.5V
8
D7–D0
GND
ENCODE
PRODUCT DESCRIPTION
The AD9057 is an 8-bit monolithic analog-to-digital converter
optimized for low cost, low power, small size, and ease of use.
With 40 MSPS, 60 MSPS, or 80 MSPS encode rate capability
and full-power analog bandwidth of 120 MHz, the component is
ideal for applications requiring excellent dynamic performance.
To minimize system cost and power dissipation, the AD9057
includes an internal 2.5 V reference and a track-and-hold (T/H)
circuit. The user must provide only a 5 V power supply and an
encode clock. No external reference or driver components are
required for many applications.
The AD9057’s encode input is TTL/CMOS compatible, and the
8-bit digital outputs can be operated from 5 V or 3 V supplies. A
power-down function may be exercised to bring total consumption
to <10 mW. In power-down mode, the digital outputs are driven
to a high impedance state.
Fabricated on an advanced BiCMOS process, the AD9057 is
available in a space-saving 20-lead shrink small outline package
(20-lead SSOP) and is specified over the industrial temperature
range (–40C to +85C).
Customers desiring multichannel digitization may consider the
AD9059, a dual 8-bit, 60 MSPS monolithic based on the
AD9057 ADC core. The AD9059 is available in a 28-lead sur-
face-mount plastic package (28-lead SSOP) and is specified over
the industrial temperature range.
REV. D
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

AD9057 Datasheet

8-Bit 40 MSPS/60 MSPS/80 MSPS A/D Converter

No Preview Available !

AD9057 pdf
AD9057–SPECIFICATIONS (VD = 5 V, VDD = 3 V; external reference, unless otherwise noted.)
Parameter
Temp
Test
Level
AD9057BRS-40
AD9057BRS-60
AD9057BRS-80
Min Typ Max Min Typ Max Min Typ Max
RESOLUTION
888
DC ACCURACY
Differential Nonlinearity
Integral Nonlinearity
No Missing Codes
Gain Error1
Gain Tempco1
25C
Full
25C
Full
Full
25C
Full
Full
ANALOG INPUT
Input Voltage Range
(Centered at 2.5 V)
Input Offset Voltage
Input Resistance
Input Capacitance
Input Bias Current
Analog Bandwidth
BAND GAP REFERENCE
Output Voltage
Temperature Coefficient
25C
25C
Full
25C
25C
25C
Full
25C
Full
Full
SWITCHING PERFORMANCE
Maximum Conversion Rate
Minimum Conversion Rate
Aperture Delay (tA)
Aperture Uncertainty (Jitter)
Output Valid Time (tV)2
Output Propagation Delay (tPD)2
DYNAMIC PERFORMANCE3
Transient Response
Overvoltage Recovery Time
Signal-to-Noise Ratio (SINAD)
(With Harmonics)
fIN = 10.3 MHz
fIN = 76 MHz
Effective Number of Bits (ENOB)
fIN = 10.3 MHz
fIN = 76 MHz
Signal-to-Noise Ratio (SNR)
(Without Harmonics)
fIN = 10.3 MHz
fIN = 76 MHz
Second Harmonic Distortion
fIN = 10.3 MHz
fIN = 76 MHz
Third Harmonic Distortion
fIN = 10.3 MHz
fIN = 76 MHz
Two Tone Intermodulation
Distortion (IMD)
Differential Phase
Differential Gain
DIGITAL INPUTS
Logic 1 Voltage
Logic 0 Voltage
Logic 1 Current
Logic 0 Current
Input Capacitance
Encode Pulsewidth High (tEH)
Encode Pulsewidth Low (tEL)
Full
Full
25C
25C
Full
Full
25C
25C
25C
25C
25C
25C
25C
25C
25C
25C
25C
25C
25C
25C
25C
Full
Full
Full
Full
25C
25C
25C
I
VI
I
VI
VI
I
VI
V
V
I
VI
V
V
I
VI
V
VI
V
VI
IV
V
V
IV
IV
V
V
I
V
I
V
I
V
I
V
I
V
V
V
V
VI
VI
VI
VI
V
IV
IV
0.75 1.9
2.0
0.75 1.9
2.0
Guaranteed
–6 –2.5 +6
–8 +8
± 70
0.75 1.9
2.0
0.75 1.9
2.0
Guaranteed
–6 –2.5 +6
–8 +8
± 70
0.75 1.9
2.0
0.75 1.9
2.0
Guaranteed
–6 –2.5 +6
–8 +8
± 70
1.0 1.0 1.0
–15 0
+15 –15 0
+15 –15 0
+15
–25 +25 –25
+25 –25
+25
150 150 150
222
6 16
6 16
6 16
25 25 25
120 120 120
2.4 2.5 2.6
± 10
2.4
40 60
5
2.7
5
4.0 6.6
4.0
11.5 18.0
2.5 2.6
± 10
2.4
80
5
2.7
5
6.6 4.0
9.5 14.2
2.5 2.6
± 10
5
2.7
5
6.6
8.0 11.3
999
999
42 45.5
44.0
6.7 7.2
7.0
42 45
43.5
6.7 7.2
6.9
41.5 45
43.5
6.6 7.2
6.9
43 46.5
45.5
–50 –62
–54
–46 –60
–54
–52
0.8
1.0
43 46
45
–50 –62
–54
–46 –60
–54
–52
0.8
1.0
42.5 46
45
–50 –62
–54
–46 –60
–54
–52
0.8
1.0
2.0 2.0
2.0
0.8 0.8 0.8
±1
±1
4.5
±1
±1
4.5
±1
±1
4.5
9.0 166 6.7
166 5.5
166
9.0 166 6.7
166 5.5
166
Unit
Bits
LSB
LSB
LSB
LSB
% FS
% FS
ppm/C
V p-p
mV
mV
kW
pF
mA
mA
MHz
V
ppm/C
MSPS
MSPS
ns
ps rms
ns
ns
ns
ns
dB
dB
Bits
Bits
dB
dB
dBc
dBc
dBc
dBc
dBc
Degrees
%
V
V
mA
mA
pF
ns
ns
–2– REV. D


Part Number AD9057
Description 8-Bit 40 MSPS/60 MSPS/80 MSPS A/D Converter
Maker Analog Devices
Total Page 12 Pages
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