AD9054BST-135-AD9054BST-200 Fast Delivery |IC PHOENIX CO.,LIMITED

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AD9054BST-135-AD9054BST-200
8-Bit, 200 MSPS A/D Converter
REV.0
8-Bit, 200 MSPS
A/D Converter
FUNCTIONAL BLOCK DIAGRAM
FEATURES
200 MSPS Guaranteed Conversion Rate
135 MSPS Low Cost Version Available
350 MHz Analog Bandwidth
1 V p-p Analog Input Range
Internal +2.5 V Reference and T/H
Low Power: 500 mW
+5 V Single Supply Operation
TTL Output Interface
Single or Demultiplexed Output Ports
APPLICATIONS
RGB Graphics Processing
High Resolution Video
Digital Data Storage Read Channels
Digital Communications
Digital Instrumentation
Medical Imaging
GENERAL DESCRIPTION
The AD9054 is an 8-bit monolithic analog-to-digital converter
optimized for high speed, low power, small size and ease of use.
With a 200 MSPS encode rate capability and full-power analog
bandwidth of 350 MHz, the component is ideal for applications
requiring the highest possible dynamic performance.
To minimize system cost and power dissipation, the AD9054
includes an internal +2.5 V reference and track-and-hold circuit.
The user provides only a +5 V power supply and an encode
clock. No external reference or driver components are required
for many applications.
The AD9054’s encode input interfaces directly to TTL, CMOS
or positive-ECL logic and will operate with single-ended or
differential inputs. The user may select dual-channel or single-
channel digital outputs. The dual (demultiplexed) mode inter-
leaves ADC data through two 8-bit channels at one-half the
clock rate. Operation in demultiplexed mode reduces the speed
and cost of external digital interfaces while allowing the ADC to
be clocked to the full 200 MSPS conversion rate. In the single-
channel (nondemultiplexed) mode, all data is piped at the full
clock rate to the Channel A outputs.
Fabricated with an advanced BiCMOS process, the AD9054 is
provided in a space-saving 44-lead TQFP surface mount plastic
package (ST-44) and specified over the full industrial (–40°C to
+85°C) temperature range.
AD9054–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS(VDD = +5 V, external reference, fS = max unless otherwise noted)
AD9054
NOTESGain error and gain temperature coefficient are based on the ADC only (with a fixed +2.5 V external reference).3 dB bandwidth with full-power input signal.tV and tPD are measured from the threshold crossing of the ENCODE input to valid TTL levels of the digital outputs. The output ac load during test is 5 pF (Refer to
equivalent circuits Figures 5 and 6).IIH and IIL are valid for differential input voltages of less than 1.5 V. At higher differential voltages, the input current will increase to a maximum of 1.25 mA.Power dissipation is measured under the following conditions: analog input is –1 dBfs at 19.7 MHz.Typical thermal impedance for the ST-44 (TQFP) 44–lead package (in still air): θJC = 20°C/W, θCA = 35°C/W, θJA = 55°C/W.A change in input offset voltage with respect to a change in VDD.SNR/harmonics based on an analog input voltage of –1.0 dBfs referenced to a 1.024 V full–scale input range.
Specifications subject to change without notice.
EXPLANATION OF TEST LEVELS
Test Level100% production tested.
II.100% production tested at +25°C and sample tested at
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
AD9054
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
ABSOLUTE MAXIMUM RATINGS*
VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 V
Analog Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . VDD to 0.0 V
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . VDD to 0.0 V
VREF IN, VREF OUT . . . . . . . . . . . . . . . . . . . VDD to 0.0 V
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 outside of those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum ratings
for extended periods may affect device reliability.
Table I.Output Coding
ORDERING GUIDE
AD9054BST-135
*ST = Plastic Thin Quad Flatpack (TQFP).
PIN FUNCTION DESCRIPTIONS
PIN CONFIGURATION
DB1
DB2
DB3
GND
DA2
DA1
DA0 (LSB)
VDD
GND
VDD
DB0 (LSB)
VREF OUTGNDVDDVDDGNDVDDGND
ENCODEENCODE
VDD
GND
VDD
GND
(MSB)
(MSB)
DEMUX
VDD
GND
AIN
AIN
GND
VDD
GND
VREF IN
Figure 1.Timing—Single Channel Mode
AIN
ENCODE
ENCODE
PORT A
D7–D0
PORT B
D7–D0
SAMPLE N+6SAMPLE N+2SAMPLE N+1SAMPLE N–2
SAMPLE N–1SAMPLE NSAMPLE N+3SAMPLE N+4SAMPLE N+5
Figure 2.Timing—Dual Channel Mode
AD9054
EQUIVALENT CIRCUITS
VDD
AINAIN
Figure 3.Equivalent Analog Input Circuit
VDD
VREF IN
Figure 4.Equivalent Reference Input Circuit
ENCODE
OR DS
VDD
ENCODE
OR DS
Figure 5.Equivalent ENCODE and Data Select Input Circuit
DEMUX
Figure 6.Equivalent DEMUX Input Circuit
VDD
DIGITAL
OUTPUTS
Figure 7.Equivalent Digital Output Circuit
Figure 8.Equivalent Reference Output Circuit
fIN – MHz014020406080100120
Figure 9.SNR vs. fIN:fS = 200 MSPS
fS – MSPS50100150200250300125175225270
Figure 10.SNR vs. fS: fIN = 19.7 MHz
fS – MSPS50100150200250300125175225270
Figure 11.SNR vs. fS:fIN = 70.1 MHz
Figure 12.SNR vs. Temperature, fS = 135 MSPS
Figure 13.SNR vs. Temperature, fS = 200 MSPS
ENCODE PULSEWIDTH – ns0.08.01.02.03.04.05.06.07.0
Figure 14.SNR vs. Clock Pulsewidth, (tPWH):fS = 135 MSPS
AD9054
ENCODE PULSEWIDTH – ns
0.05.00.51.01.52.02.53.03.54.04.5
Figure 15.SNR vs. Clock Pulsewidth, (tPWH):fS = 200 MSPS
TC – 8C
–60100–40–20020406080
Figure 16.SINAD vs. Temperature:fS = 135 MSPS
TC – 8C
–60100–40–20020406080
Figure 17.SINAD vs. Temperature:fS = 200 MSPS
fS – MSPS
dBc
–46125175270
Figure 18.Harmonic Distortion vs. fS:fIN = 19.7 MHz
fS – MSPS
–30
Figure 19.Harmonic Distortion vs. fS:fIN = 70.1 MHz
TC – 8C
–65
Figure 20.2nd Harmonic vs. Temperature:fS = 135 MSPS
TC – 8C
–65
Figure 21.2nd Harmonic vs. Temperature:fS = 200 MSPS
TC – 8C
–65
Figure 22.3rd Harmonic vs. Temperature:fS = 135 MSPS
TC – 8C
–65
Figure 23.3rd Harmonic vs. Temperature:fS = 200 MSPS
fIN – MHz50050100150200250300350400450
Figure 24.Frequency Response:fS = 200 MSPS
Figure 25.Spectrum:fS = 200 MSPS, fIN = 19.7 MHz
Figure 26.Spectrum:fS = 200 MSPS, fIN = 70.1 MHz
AD9054
MHz100102030405060708090
–100
Figure 27.Two Tone Intermodulation Distortion
IOH – mA
– Volts
4.0
Figure 28.Output Voltage HIGH vs. Output Current
– Volts
IOL – mA
0.3
Figure 29.Output Voltage LOW vs. Output Current
TC – 8C
–60100–40–20020406080
Figure 30.Output Delay vs. Temperature
IREF OUT – mA
VREF OUT – Volts
Figure 31.Reference Voltage vs. Reference Load
VDD – Volts
VREF OUT – Volts
2.499
Figure 32.Reference Voltage vs. Power Supply Voltage

Partno	Mfg	Dc	Qty	Available	Descript
AD9054BST-135 \|AD9054BST135	ADI	N/a	9	avai	8-Bit, 200 MSPS A/D Converter
AD9054BST-200 \|AD9054BST200	AD	N/a	31	avai	8-Bit, 200 MSPS A/D Converter