1.25 GHz Dual Integrated DCL with PPMU, Level
Setting DACs, and On-Chip Calibration Registers
Data Sheet
ADATE320
FEATURES
GENERAL DESCRIPTION
1.25 GHz, 2.5 Gbps data rate
The ADATE320 is a complete, single-chip ATE solution that
performs the pin electronics functions of a driver, comparator,
and active load (DCL), and a four quadrant per pin parametric
measurement unit (PPMU). Dedicated 16-bit digital-to-analog
3-level driver with high-Z and reflection clamps
Window and differential comparators
25 mA active load
Per pin parametric measurement unit (PMU) with a −1.5 V to
+4.5 V range
converters (DACs) with on-chip calibration registers provide all
the necessary dc levels for operation of the device.
Low leakage mode (typically <5 nA)
Integrated 16-bit DACs with offset and gain correction
1.2 W power dissipation per channel (ADATE320)
1.3 W power dissipation per channel (ADATE320-1)
Driver
The driver features three active modes: high, low, and terminate, as
well as a high impedance inhibit state. The inhibit state, in
conjunction with the integrated dynamic clamps, facilitates
significant attenuation of transmission line reflections when the
driver is not actively terminating the line. The open-circuit drive
capability is −1.5 V to +4.5 V to accommodate a standard range
of ATE and instrumentation applications.
Voltage range: −1.5 V to +4.5 V
Precision trimmed termination: 50.0 Ω
Unterminated swing: 50 mV minimum to 6.0 V maximum
400 ps minimum pulse width, 1.0 V programmed swing
25 ps deterministic jitter
The ADATE320 can be used as a dual, single-ended pin
electronics channel or as a single differential channel. In
addition to per channel high speed window comparators, the
ADATE320 provides a programmable threshold differential
comparator for differential ATE applications.
Comparator
Differential and single-ended window modes
100 ps equivalent input rise/fall time (ERT/EFT)
250 mV current mode logic (CML) outputs (ADATE320)
400 mV CML outputs (ADATE320-1)
Load
Per pin PMU (PPMU)
Force voltage/compliance range: −1.5 V to +4.5 V
5 current ranges
40 mA, 1 mA, 100 μA, 10 µA, 2 µA
Dedicated go/no-go comparators
DC levels
Fully integrated and dedicated 16-bit DACs
On-chip gain and offset calibration registers with
automatic add/multiply function
84-lead, 10 mm × 10 mm LFCSP (0.4 mm pitch)
All dc levels for DCL and PPMU functions are generated by
dedicated, on-chip, 16-bit DACs. To facilitate the programming
of accurate levels, the ADATE320 includes an integrated
calibration function to correct for the gain and offset errors of
each functional block. Correction coefficients can be stored on
chip, and any values written to the DACs adjust automatically
using the appropriate correction factors.
The ADATE320 uses a serial programmable interface (SPI) bus
to program all functional blocks, DACs, and on-chip calibration
constants. It also has an on-chip temperature sensor and overvolt-
age/undervoltage fault clamps that monitor and report the
device temperature and any output pin or transient PPMU
voltage faults that may occur during operation.
APPLICATIONS
The ADATE320 is available in two options. The standard option
has high speed comparator outputs with 250 mV output swing.
The ADATE320-1 has 400 mV output swing. See the Ordering
Guide for more information.
Automatic test equipment (ATE)
Semiconductor/board test systems
Instrumentation and characterization equipment
Rev. B
Document Feedback
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Tel: 781.329.4700 ©2015–2016 Analog Devices, Inc. All rights reserved.
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