Datasheet AD7980-EP (Analog Devices)

16-Bit, 1 MSPS PulSAR ADC in MSOP Enhanced Product AD7980-EP FEATURES APPLICATION DIAGRAM EXAMPLE 16-bit resolution with no missing codes 2.5V TO 5V 2.5V Throughput: 1 MSPS Low power dissipation 4 mW at 1 MSPS (VDD only) REF VDD VIO 1.8V TO 5.0V 0 TO VREF 7 mW at 1 MSPS (total) SDI IN+ 70 μW at 10 kSPS AD7980-EP SCK 3- OR 4-WIRE INTERFACE IN– SDO (SPI, DAISY CHAIN, CS) INL: ±0.6 LSB typical, ±1.5 LSB maximum GND CNV
1 00
SINAD: 91 dB @ 10 kHz
4- 30 09
THD: −114 dB @ 10 kHz
Figure 1.
Pseudo differential analog input range 0 V to V GENERAL DESCRIPTION REF with VREF between 2.5 V to 5.5 V No pipeline delay
The AD7980-EP1 is a 16-bit, successive approximation, analog-
Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V
to-digital converter (ADC) that operates from a single power
logic interface
supply, VDD. It contains a low power, high speed, 16-bit
Proprietary serial interface
sampling ADC and a versatile serial interface port. On the CNV
SPI/QSPI/MICROWIRE™/DSP compatible
rising edge, it samples an analog input IN+ between 0 V to REF
Daisy-chain multiple ADCs and busy indicator
with respect to a ground sense IN−. The reference voltage, REF,
Supports defense and aerospace applications (AQEC)
is applied externally and can be set independent of the supply
Controlled manufacturing baseline
voltage, VDD. Its power scales linearly with throughput.
One assembly/test site
The SPI-compatible serial interface also features the ability,
One fabrication site
using the SDI input, to daisy-chain several ADCs on a single,
Enhanced product change notification
3-wire bus and provides an optional busy indicator. It is
Qualification data available on request
compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate
10-lead MSOP
supply VIO.
Military temperature range: −55°C to +125°C
The AD7980-EP is housed in a 10-lead MSOP with operation
APPLICATIONS
specified from −55°C to +125°C.
Battery-powered equipment Communications
1 Protected by U.S. Patent 6,703,961.
ATE Data acquisitions Medical instruments Table 1. MSOP, LFCSP 14-/16-/18-Bit PulSAR® ADC Type 100 kSPS 250 kSPS 400 kSPS to 500 kSPS ≥1000 kSPS
18-Bit AD7989-11 AD76911 AD76901 AD79821 AD7989-51 AD79841 16-Bit AD7680 AD76851 AD76861 AD79801 AD7683 AD76871 AD76881 AD79831 AD7684 AD7694 AD76931 AD7988-11 AD7988-51 14-Bit AD7940 AD79421 AD79461 1 Pin-for-pin compatible.
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Document Outline FEATURES APPLICATIONS APPLICATION DIAGRAM EXAMPLE GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE