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DTL2A

Description
Analog Circuit, 1 Func, Hybrid, MDMA11,
CategoryAnalog mixed-signal IC    The signal circuit   
File Size400KB,5 Pages
ManufacturerC&D
Download Datasheet Parametric View All

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DTL2A Overview

Analog Circuit, 1 Func, Hybrid, MDMA11,

DTL2A Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerC&D
package instruction,
Reach Compliance Codeunknown
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeS-MDMA-P11
JESD-609 codee3
Number of functions1
Number of terminals11
Package body materialMETAL
Package shapeSQUARE
Package formMICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum supply voltage (Vsup)5.25 V
Minimum supply voltage (Vsup)4.75 V
Nominal supply voltage (Vsup)5 V
surface mountNO
technologyHYBRID
Terminal surfaceTIN
Terminal formPIN/PEG
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
NEW
®
®
INNOVATION and EXCELLENCE
DTL Series
DTL2A Model
100 Watt, Digitally Programmable
Serial-Input, Electronic Loads
Features
I
12-bit, optically isolated (500Vdc),
CMOS/TTL-compatible serial input
0-20 Amp output in 5mA increments
10MΩ minimum output impedance
Output voltage to 50 Volts
Output power to 100 Watts
±5mA offset error; ±0.1% gain error
100µsec full-scale step response
Update rates to 20kHz
Operate in parallel for higher power
Miniature, 2" x 2" metal package
I
I
I
I
I
I
I
I
I
Applications
I
I
I
I
I
I
Static/dynamic power-supply burn-in
Power-supply test and characterization
Battery capacity testing
Current-source testing
Capacitor discharge testing
Real-time load simulation
DATEL’s new DTL2A is an optically isolated, digitally programmable, serial-input,
electronic load. It is essentially a digitally controlled current source that can sink
currents from 0 to 20 Amps, at loading voltages from 2.5 to 50 Volts, up to a maximum
power of 100 Watts. The DTL2A is packaged in a thermally efficient, 2" x 2" x 0.5"
metal package that incorporates an aluminum baseplate with through-hole spacers
for easy pcb mounting and/or external heat-sink attachment.
The DTL2A accepts a serialized, 12-bit, CMOS/TTL-compatible, digital input word
easily generated by any standard digital I/O card. The DTL2A buffers and then
optically isolates (500Vdc) the digital input data before storing it in a register and
presenting it to an on-board, 12-bit, digital-to-analog (D/A) converter. The D/A output
drives a near-ideal (10MΩ minimum output impedance), voltage-controlled current
source. One LSB (least significant bit) of the D/A converter corresponds to a 5mA
increment (0.025% of 20A) in load current.
The DTL2A features a max. ±5mA offset error and a max. ±0.1% gain error. It
has an impressive full-scale step response time of 100µsec and can be operated
dynamically at update rates up to 20kHz. Powered by a single +5V supply, the DTL2A
draws a mere 150mA (maximum).
While operating in the constant-current mode up to 20 Amps (100W max. power),
the output compliance voltage of the DTL2A is 2.5 to 50 Volts. Should the output/load
voltage drop below the 2.5V minimum required for proper biasing, an internal monitoring
circuit activates the DTL2A's output Fault line. See DATEL’s DTL2A-LC for compliance
voltages as low as 0.6V.
DTL2A’s and other electronic loads, controller boards, and software from DATEL
are outstanding building-block components for power-supply burn-in and test systems.
They are an extremely reliable, cost-effective solution that enables you to quickly
configure impressively accurate systems.
INPUT
BUFFERS
CONTROL STROBE (CS)
OPTO
ISOLATORS
+LOAD
CLOCK (CLK)
DATA
LATCH
12-BIT
D/A
AMPLIFIER
AND
CURRENT
SENSOR
–LOAD
LATCH DATA (LD)
–LOAD
+LOAD
POWER DEVICE
UNDER TEST
SERIAL DATA INPUT (SDI)
+5V SUPPLY
GROUND
ISOLATED
DC/DC
CONVERTER
UNDERVOLTAGE
DETECTION
FAULT
Figure 1. Simplified Schematic
DATEL, Inc., Mansfield, MA 02048 (USA) · Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 · Email: sales@datel.com · Internet: www.datel.com
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