HI-565A

Features:

• 12-Bit DAC and Reference on a Single Chip
• Pin Compatible With AD565A
• Very High Speed: Settles to ±0.5 LSB in 250ns (Max)
Full Scale Switching Time 30ns (Typ)
• Guaranteed For Operation With ±12V Supplies
• Monotonicity Guaranteed Over Temperature
• Nonlinearity Guaranteed Over Temp (Max) . . . . ±0.5 LSB
• Low Gain Drift (Max, DAC Plus Ref) . . . . . . . . .25ppm/oC
• Low Power Dissipation . . . . . . . . . . . . . . . . . . . . .250mW




Application

• CRT Displays
• High Speed A/D Converters
• Signal Reconstruction
• Waveform Synthesis




Pinout






Specifications

V_CC to Power GND . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to +18V
V_EE to Power GND . . . . . . . . . . . . . . . . . . . . . . . . . . . .0V to -18V
Voltage on DAC Output (Pin 9) . . . . . . . . . . . . . . . . -3V to +12V
Digital Inputs (Pins 13-24) to Power GND . . . . . . . .-1V to +7.0V
REF In to REF GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±12V
Bipolar Offset to REF GND . . . . . . . . . . . . . . . . . . . . . . . . . .±12V
10V Span R to REF GND . . . . . . . . . . . . . . . . . . . . . . . . . . . ±12V
20V Span R to REF GND . . . . . . . . . . . . . . . . . . . . . . . . . . . ±24V
REF Out. . . . . . . . . . . . . . . . . . . .. .Indefinite Short to Power GND
Momentary Short to V_CC




Description

The HI-565A is a fast, 12-bit, current output, digital-to-analog converter. The monolithic chip includes a precision voltage reference, thin-film R2R ladder, reference control amplifier and twelve high speed bipolar current switches.

The HI-565A Intersil dielectric isolation process provides latch free operation while minimizing stray capacitance and leakage currents, to produce an excellent combination of speed and accuracy. Also, ground currents are minimized to produce a low and constant current through the ground terminal, which reduces error due to code dependent ground currents.

HI-565A dice are laser trimmed for a maximum integral nonlinearity error of ±0.5 LSB at 25oC. In addition, the low noise buried zener reference is trimmed both for absolute value and temperature coefficient. Power dissipation is typically 250mW, with ±15V supplies.

The HI-565A is offered in both commercial and military grades. See Ordering Information.