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Analog Devices Semiconductor Electronic Components Datasheet

AD9070 Datasheet

10-Bit 100 MSPS A/D Converter

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a
10-Bit, 100 MSPS
A/D Converter
AD9070
FEATURES
10-Bit, 100 MSPS ADC
Low Power: 600 mW Typical at 100 MSPS
On-Chip Track/Hold
230 MHz Analog Bandwidth
SINAD = 54 dB @ 41 MHz
On-Chip Reference
1 V p-p Analog Input Range
Single Supply Operation: +5 V or –5 V
Differential Clock Input
Available in Standard Military Drawing Version
APPLICATIONS
Digital Communications
Signal Intelligence
Digital Oscilloscopes
Spectrum Analyzers
Medical Imaging
Radar
HDTV
GENERAL DESCRIPTION
The AD9070 is a monolithic sampling analog-to-digital
converter with an on-chip track-and-hold circuit and ECL
digital interfaces. The product operates at a 100 MSPS
conversion rate with outstanding dynamic performance over
its full operating range.
The ADC requires only a single –5 V supply and an encode
clock for full performance operation. The digital outputs are
ECL compatible, while a differential clock input accommodates
a wide range of logic levels. The AD9070 may be operated in a
Positive ECL (PECL) environment with a single +5 V supply.
An Out-of-Range output (OR) is available in the DIP version to
indicate that a conversion result is outside the operating range.
In both package styles, the output data are held at saturation
levels during an out-of-range condition.
FUNCTIONAL BLOCK DIAGRAM
AIN
AIN
ENCODE
ENCODE
AD9070
VREF VREF
REF
IN OUT COMP BYPASS
–2.5V
SOIC (BR)
PACKAGE
ONLY
T/H
SUM
AMP
TIMING
ADC
DAC
ADC
VEE GND
10
ENCODE
LOGIC
D9 – D0
OR
DIP
PACKAGE
ONLY
The input amplifier supports single-ended interfaces. An
internal –2.5 V reference is included in the SOIC packaged
device (an external voltage reference is required for the
DIP version).
Fabricated on an advanced bipolar process, the AD9070
is available in a plastic SOIC package specified over the
industrial temperature range (–40°C to +85°C), and a full
MIL-PRF-38534 QML version (–55°C to +125°C) in a
ceramic Dual-in-Line Package (DIP).
REV. C
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.
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
© Analog Devices, Inc., 2001


Analog Devices Semiconductor Electronic Components Datasheet

AD9070 Datasheet

10-Bit 100 MSPS A/D Converter

No Preview Available !

AD9070–SPECIFICATIONS (VEE = –5 V, ENCODE = 100 MSPS, outputs loaded with 100 to –2 V unless
otherwise noted.)
Parameter
Test AD9070BR
Temp Level Min Typ
Max
5962-9756301HXC
Min Typ
Max
Unit
RESOLUTION
10 10 Bit
DC ACCURACY
Differential Nonlinearity
Integral Nonlinearity
No Missing Codes
Gain Error1
Gain Tempco1
25°C
Full
25°C
Full
Full
25°C
Full
Full
I
VI
I
VI
VI
I
VI
V
± 0.6
± 0.7
± 0.6
± 0.9
Guaranteed
±1
+1.25/–1.0
+1.5/–1.0
± 1.5
±4
115
± 0.6
± 0.9
± 0.6
± 1.5
Guaranteed
±1
±2
130
+1.25/–1.0
+2.00/–1.0
± 1.5
± 2.25
±4
±6
LSB
LSB
LSB
LSB
% FS
% FS
ppm/°C
ANALOG INPUT
Input Voltage Range (with Respect to AIN)
Common-Mode Voltage
Input Offset Voltage
Input Resistance
Input Capacitance
Input Bias Current
Analog Bandwidth, Full Power
Full
Full
25°C
Full
25°C
Full
25°C
25°C
Full
25°C
V
V
I
I
I
I
V
I
I
V
± 512
–2.5 ± 0.2
± 7 ± 18
±8
10 40
40
3
75 200
75
230
± 512
–2.5 ± 0.2
± 7 ± 18
± 9 ± 20
10 40
10 40
3
75 200
75 200
230
mV p-p
V
mV
mV
k
k
pF
µA
µA
MHz
REFERENCE OUTPUT
Output Voltage
Temperature Coefficient
Full VI –2.4 –2.5
Full V
170
–2.6
N/A
N/A
V
ppm/°C
SWITCHING PERFORMANCE
Maximum Conversion Rate
Minimum Conversion Rate
Encode Pulsewidth High (tEH)
Encode Pulsewidth Low (tEL)
Aperture Delay (tA)
Aperture Uncertainty (Jitter)
Output Valid Time (tV)2
Output Propagation Delay (tPD)2
Output Rise Time (tR)
Output Fall Time (tF)
DIGITAL INPUTS
Logic “1” Voltage
Logic “0” Voltage
Logic “1” Current
Logic “0” Current
Input Capacitance
Full
Full
25°C
25°C
25°C
25°C
Full
Full
Full
Full
VI
IV
IV
IV
V
V
VI
VI
VI
VI
100
4.5
4.5
0.85
2.5
1.5 2.6
3.0
0.5
0.5
Full
Full
Full
Full
25°C
IV
IV
VI
VI
V
–1.1
3
40
13
13
4.0
–0.4
–1.5
± 10
± 10
100
4.5
4.5
0.85
2.5
1.5 2.6
3.0
0.5
0.5
–1.1
3
40
13
13
4.0
1.2
1.2
–0.4
–1.5
± 10
± 10
MSPS
MSPS
ns
ns
ns
ps rms
ns
ns
ns
ns
V
V
µA
µA
pF
DIGITAL OUTPUTS
Logic “1” Voltage
Logic “0” Voltage
Output Coding
Full VI –1.1
Full VI
–1.65
Two’s Complement
–1.15
–1.60
Two’s Complement
V
V
POWER SUPPLY
VEE Supply Current (VEE = –5 V)
Power Dissipation3
Power Supply Sensitivity4
Full
Full
25°C
VI
VI
I
80 120
400 600
0.005
150
750
0.012
80 120
400 600
0.005
150
750
0.012
mA
mW
V/V
–2– REV. C


Part Number AD9070
Description 10-Bit 100 MSPS A/D Converter
Maker Analog Devices
Total Page 16 Pages
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