Agilent E1418A 8/16-Channel D/A Converter Data Sheet Features • 1-Slot, C-size, register based • 8/16 independent channels, flexible and configurable • Individual isolation per channel • 16-bit resolution D/A per channel • Programmable selectable voltage/current modes • Software controlled calibration Description The Agilent E1418A 8/16-Channel D/A Converter is a C–size, 1-slot, register-based VXI module. It consists of 8 or 16 fully independent, isolated or non-isolated, 16-bit D/As. Each channel can be set to voltage or current mode with local or remote sensing on voltage outputs. All outputs can be updated with registerlevel programming to allow fast backplane access. Each channel can be updated individually, or by using the internal data buffer, synchronized so that all channels change simultaneously. The channel output mode is set with jumpers in the terminal block for each channel or by register programming. Each D/A converter can be calibrated without removal through software commands and use of the terminal block CALBUS in conjunction with a 5.5-digit multimeter. The on/off terminal block has standard screw terminals for field wiring. Refer to the Agilent Technologies Website for instrument driver availability and downloading instructions, as well as for recent product updates, if applicable. Fast Updates All outputs can be updated with register-level programming to allow fast backplane access. Rates are limited by controller speed and analog settling time. Each channel can be updated individually, or by using the internal data buffer, synchronized so that all channels change at the same time. The channel output mode is set with jumpers in the terminal block for each channel or by register programming. In-place Calibration Each D/A converter can be calibrated without removal through software commands and use of the terminal block CALBUS in conjunction with a 5.5-digit multimeter. In addition, a built-in self-test command provides a high level of confidence that the module is operating properly. Product Specifications DC Voltage Amplitude: ± 16 V max. Resolution: 16 bits (488 µV steps) Monotonic to 2.0 mV Amplitude accuracy (dc): ± (0.05% + 3.0 mV) (90 days) DC Current Range: 0 to ± 20.00 mA Resolution: 16 bit (610 nA steps) Monotonic to 25 µA Accuracy: ± (% value + amps) (calibrated; temperature within ± 5 °C of calibration temperature and same load as at calibration) 90-day: ± (0.09% + 5.0 µA) Output voltage: Compliance voltage: ± 12 V Max open circuit voltage: <18 V Output current: Compliance current: >20 mA @ 0 to ± 12 V derated linearly to 5 mA @ ± 16 mV Short circuit current: <40 mA Differential ripple and noise: <2 µA rms (20 Hz - 250 kHz, into 250 Ω load) AC Output Choice of Connectors Sample rate: 1 kSa/s per channel The easy-to-use on/off terminal block, a feature of QUIC, comes with standard screw terminals for field wiring. Optional crimp and insert or ribbon cable connectors are available. Each channel contains a programmable output disconnect relay to open or close the channel. Modulation: No Sweep: No Amplitude accuracy (ac): Not specified Standard waveforms: No Arbitrary waveform function: No General Characteristics Settling time: 300 µs (+ full scale to – full scale step, single channel, to rated accuracy) Isolation: 42 Vdc/ac peak (channel-to-chassis or channel-to-channel) Synchronization: Software commands, external trigger inputs, or TTL backplane trigger lines provide a choice of synchronizing event. Each individual channel can be updated by software command or all channels can be updated at the same time based upon a software or hardware trigger. 2 General Specifications Ordering Information VXI Characteristics Description Product Number VXI device type: Register based 8/16-Channel D/A Converter E1418A Data transfer bus: A16 or A24, D16 Add 8 channels for total of 16, non-isolated*** E1418A 001*** Size: C Convert 8 channels to isolated*** E1418A 002*** Slots: 1 Add 8 channels and convert all 16 to isolated*** E1418A 003*** Connectors: P1/2 Crimp/insert connectors**** E1418A A3E**** Shared memory: n/a Ribbon cable connectors E1418A A3H VXI busses: n/a 1-Channel Isolation Plug-on for E1418A* E1523A* C-size compatibility: n/a 8-Non-isolated-channel Expan. Kit for E1418A** E1524A** 8-Isolated-channel Expan. Kit for E1418A** E1525A** Service Manual E1418A-OB3 Instrument Drivers See the Agilent Technologies Website http://www.agilent.com/find/inst_drivers for driver availability and downloading. Command module firmware: Downloadable Command module firmware rev: A.08 I-SCPI Win 3.1: Yes I-SCPI Series 700: Yes C-SCPI LynxOS: Yes C-SCPI Series 700: Yes Panel Drivers: No VXIplug&play Win Framework: Yes Notes: * You can add isolation to single channels with the E1523A. ** You can add an 8-channel expansion kit to existing 8-channel units with the E1524A and E1525A. *** Factory installed option. Must be ordered with the E1418A. Comes with standard screw terminals. **** Crimp-and-insert contacts are not included. See the Interconnect and Wiring section for information on ordering Crimp-and-Insert Contacts. VXIplug&play Win 95/NT Yes Framework: VXIplug&play HP-UX Framework: Module Current +5 V: +12 V: -12 V: +24 V: -24 V: -5.2 V: -2 V: No IPM IDM 0.7 0.04 0 0.44 0.44 0 0 0.01 0.01 0 0.01 0.01 0 0 Cooling Slot Watts/slot: ∆P mm H2O: Air Flow liter/s: 25.4 0.10 2.0 3 Remove all doubt www.agilent.com/find/emailupdates Get the latest information on the products and applications you select. www.agilent.com/find/agilentdirect Quickly choose and use your test equipment solutions with confidence. www.agilent.com/find/open Agilent Open simplifies the process of connecting and programming test systems to help engineers design, validate and manufacture electronic products. Agilent offers open connectivity for a broad range of system-ready instruments, open industry software, PC-standard I/O and global support, which are combined to more easily integrate test system development. www.lxistandard.org LXI is the LAN-based successor to GPIB, providing faster, more efficient connectivity. 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