herunterladen
OBSOLETE
ADC08161
www.ti.com
SNAS075D –JUNE 1999–REVISED APRIL 2013
ADC08161 500 ns A/D Converter with S/H Function and
2.5V Bandgap Reference
Check for Samples: ADC08161
1
FEATURES
DESCRIPTION
This product is on Lifetime Buy and is NOT
2
• No External Clock Required
RECOMMENDED for new designs.
• Analog Input Voltage Range from GND to V
+
Using a patented multi-step A/D conversion
• 2.5V Bandgap Reference
technique, the 8-bit ADC08161 CMOS A/D converter
offers 500 ns conversion time, internal sample-and-
APPLICATIONS
hold (S/H), a 2.5V bandgap reference, and dissipates
• Mobile Telecommunications
only 100 mW of power. The ADC08161 performs an
8-bit conversion with a 2-bit voltage estimator that
• Hard-Disk Drives
generates the 2 MSBs and two low-resolution (3-bit)
• Instrumentation
flashes that generate the 6 LBSs.
• High-Speed Data Acquisition Systems
Input signals are tracked and held by the input
sampling circuitry, eliminating the need for an
KEY SPECIFICATIONS
external sample-and-hold. The ADC08161 can
perform accurate conversions of full-scale input
• Resolution: 8 Bits
signals at frequencies from DC to typically more than
• Conversion time (t
CONV
): 560 (WR-RD Mode) ns
300 kHz (full power bandwidth) without the need of
max
an external sample-and-hold (S/H).
• Full power bandwidth: 300 kHz (typ)
For ease of interface to microprocessors, this part
• Throughput rate: 1.5 MHz min
has been designed to appear as a memory location
• Power dissipation: 100 mW max
or I/O port without the need for external interfacing
logic.
• Total unadjusted error: ±½ LSB and ±1 LSB
max
Block Diagram
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
