HI3338

Features:

• CMOS Low Power (Typ). . . . . . . . . . . . . . . . . . . .100mW
• R2R Output, Segmented for Low "Glitch"
• CMOS/TTL Compatible Inputs
• Fast Settling (Typ) . . . . . . . . . . . . . . . . . 20ns to 1/2 LSB
• Feedthrough Latch for Clocked or Unclocked Use
• Accuracy (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . ±0.5 LSB
• Data Complement Control
• High Update Rate (Typ) . . . . . . . . . . . . . . . . . . . . 50MHz
• Unipolar or Bipolar Operation
• Linearity (INL):
- HI3338KIP . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.75 LSB
- HI3338KIB . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.75 LSB




Application

• TV/Video Display
• High Speed Oscilloscope Display
• Digital Waveform Generator
• Direct Digital Frequency Synthesis
• Wireless Communication




Pinout






Specifications

DC Supply-Voltage Range . . . . . . . . . . . . . . . . . . . . . . -0.5V to +8V
(VDD - VSS or VDD - VEE, Whichever Is Greater)
Input Voltage Range
Digital Inputs (LE, COMP D0 - D7) . . . .. . . V_SS - 0.5V to V_DD + 0.5V
Analog Pins (VREF+, VREF-, V_OUT) . . .. .. . . V_DD - 8V to V_DD + 0.5V
DC Input Current
Digital Inputs (LE, COMP, D0 - D7). . . . . ... . . . . . . . . . . . . . ±20mA
Recommended Supply Voltage Range. . . . . . . . . . . . . .4.5V to 7.5V




Description

The HI3338 family are CMOS high speed R2R voltage output digital-to-analog converters. They can operate from a single +5V supply, at video speeds, and can produce "rail-to-rail" output swings. Internal level shifters and a pin for an optional second supply provide for an output range below digital ground.

The data complement control of HI3338 allows the inversion of input data while the latch enable control provides either feedthrough or latched operation. Both ends of the R2R ladder network are available externally and may be modulated for gain or offset adjustments. In addition, "glitch" energy has been kept very low by segmenting and thermometer encoding of the upper 3 bits.

The HI3338 is manufactured to give low dynamic power dissipation, low output capacitance, and inherent latch-up resistance.