AD9051BRS Fast Delivery |IC PHOENIX CO.,LIMITED

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AD9051BRS
10-Bit, 60 MSPS A/D Converter
REV.A
10-Bit, 60 MSPS
A/D Converter
FUNCTIONAL BLOCK DIAGRAM
ENCODE
AIN
AINB
FEATURES
60 MSPS Sampling Rate
9.3 Effective Number of Bits at fIN = 10.3 MHz
250 mW Total Power at 60 MSPS
Selectable Input Bandwidth of 50 MHz or 130 MHz
On-Chip T/H and Voltage Reference
Single +5 V Supply Voltage
+5 V or +3 V Logic I/O Compatible
Input Range and Output Coding Options Available
APPLICATIONS
Medical Imaging
Digital Communications
Professional Video
Instrumentation
Set-Top Box
GENERAL DESCRIPTION
The AD9051 is a complete 10-bit monolithic sampling analog-
to-digital converter (ADC) with an onboard track-and-hold and
reference. The unit is designed for low cost, high performance
applications and requires only +5 V and an encode clock to
achieve 60 MSPS sample rates with 10-bit resolution.
The encode clock is TTL compatible and the digital outputs are
CMOS; both can operate with +5 V/+3 V logic. The two-step
architecture used in the AD9051 is optimized to provide the
best dynamic performance available while maintaining low
power consumption.
A +2.5 V reference is included onboard, or the user can provide
an external reference voltage for gain control or matching of
multiple devices. Fabricated on a state-of-the-art BiCMOS
process, the AD9051 is packaged in a space saving surface
mount package (SSOP) and is specified over the industrial tem-
perature range (–40°C to +85°C).
AD9051–SPECIFICATIONS
(VD = +5 V, VDD = +3 V; external reference = 2.50 V; ENCODE = 60 MSPS
unless otherwise noted)
AD9051
DIGITAL OUTPUTS
NOTESGain error and gain temperature coefficient are based on the ADC only (with a fixed +2.5 V external reference).Contact factory or authorized sales agent for information concerning the availability of expanded input voltage range devices.3 dB bandwidth with full-power input signal.Minimum conversion rate at which all data sheet specifications remain stable.tV and tPD are measured from the threshold crossing of the ENCODE input to valid TTL levels 0.5 V and 2.4 V of the digital outputs with VDD = 3.0 V. The output
ac load during test is 5 pF.SNR/harmonics tested with an analog input voltage of –0.5 dBfs. All tests performed at 60 MSPS.Contact factory or authorized sales agent for information concerning the availability of alternative output coding and input range devices.Power dissipation is measured under the following conditions: analog input = –FS at 60 MSPS ENCODE.A change in input offset voltage with respect to a change in VD.
Specifications subject to change without notice.
AD9051
ORDERING GUIDE
EXPLANATION OF TEST LEVELS
Test Level100% production tested.
II.100% production tested at +25°C and sample tested at
specified temperatures.
III.Sample tested only.
IV.Parameter is guaranteed by design and characterization
testing.Parameter is a typical value only.
VI.100% production tested at +25°C; guaranteed by design
and characterization testing for industrial temperature range.
ABSOLUTE MAXIMUM RATINGS*
VD, VDD␣ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7 V
Analog Inputs . . . . . . . . . . . . . . . . . . . .–0.5 V to VD + 0.5 V
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . .–0.5 V to VD
VREF Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . .–0.5 V to VD
Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . .20 mA
Operating Temperature . . . . . . . . . . . . . . . .–55°C to +125°C
Storage Temperature . . . . . . . . . . . . . . . . . .–65°C to +150°C
Maximum Junction Temperature . . . . . . . . . . . . . . . .+175°C
Maximum Case Temperature . . . . . . . . . . . . . . . . . . .+150°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum ratings
for extended periods may effect device reliability.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD9051 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
Table I.Digital Coding (Single-Ended Input with AIN, AINB Bypassed to GND)
*(BRS-2V Version)
PIN FUNCTION DESCRIPTIONS
PIN CONFIGURATION
GND
D0 (LSB)
VREFOUT
VREFIN
VDD
GNDBWSEL
GND
GND
AINB
AIND5
VDD
GND
GND
ENCODE
D9 (MSB)N + 1N + 2N + 3N + 4N + 5
AIN
ENCODE
DIGITAL
OUTPUTS
tPD
Figure 1.Timing Diagram
AINB (PIN 9)
AIN (PIN 10)
INPUT
VDD (PINS 20, 22)
+3V TO +5V
D0–D9, OR
ENCODE
(PIN 13)
VREFOUT
(PIN 3)
Figure 2.Equivalent Circuits
Analog Input Encode
Output Stage VREF
AD9051
–Typical Performance Characteristics
CLOCK RATE – MSPS
DISSIPATION – mW
210202530354045505560
Figure 3.Power Dissipation vs. Clock Rate
FREQUENCY – MHz09010
SNR/SINAD – dB304050607080
Figure 4.SNR/SINAD vs. AIN Frequency
FREQUENCY – MHz
–70
Figure 5.Harmonics vs. AIN Frequency
ANALOG INPUT FREQUENCY – MHz
ADC GAIN – dB
2015280118141
Figure 6.ADC Gain vs. AIN Frequency
TEMPERATURE – 8C
SNR – dB
58.5
Figure 7.SNR vs. Temperature
ENCODE – MSPS
SNR – dB30201060
Figure 8.SNR vs. Clock Rate

Partno	Mfg	Dc	Qty	Available	Descript
AD9051BRS	AD	N/a	37	avai	10-Bit, 60 MSPS A/D Converter