10-Bit, 60 MSPS
A/D Converter
a
AD9051
FEATURES
FUNCTIONAL BLOCK DIAGRAM
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
BWSEL
5V
GND
IN
OUT
5V
REFERENCE
CIRCUITS
AD9051
AINB
AIN
T/H
ADC
5 V or 3 V Logic I/O Compatible
Input Range and Output Coding Options Available
10
DECODE
LOGIC
DAC
ADC
SUM
AMP
APPLICATIONS
Medical Imaging
Digital Communications
Professional Video
Instrumentation
Set-Top Box
ENCODE
TIMING
GENERAL DESCRIPTION
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).
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.
C
REV.
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