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PDF DAC-HZ Data sheet ( Hoja de datos )

Número de pieza DAC-HZ
Descripción Industry-Standard Digital-to-Analog Converters
Fabricantes Datel 
Logotipo Datel Logotipo



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®®
INNOVATION and EXCELLENCE
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FEATURES
12-Bit binary and 3-digit BCD models
7 Output ranges
3µs VOUT settling time
300ns IOUT settling time
Guaranteed monotonicity over full temperature range
Integral nonlinearity ±1/2LSB (binary) and ±1/4LSB
(BCD), maximum
Differential nonlinearity ±3/4LSB (binary) and ±1/4LSB
(BCD), maximum
High-reliability QL versions available
GENERAL DESCRIPTION
The DAC-HZ Series are high-performance, monolithic, 12-bit
binary and 3-digit BCD, digital-to-analog converters. The
DAC-HZ Series are complete and self-contained with a
precision internal reference and fast output operational
amplifier. Pin programmable output voltage and current
ranges are provided for a high degree of application flexibility;
the binary versions offer 5 output voltage ranges and two
current ranges while the BCD models offer 3 and 1 output
ranges, respectively.
The DAC-HZ Series contains a precision embedded Zener
reference circuit. This eliminates code-dependent ground
currents by routing current from the positive supply to the
internal ground node as determined by the R-2R ladder
network. The internal feedback resistors for the on-board
amplifier track the ladder network resistors, enhancing
temperature performance. The excellent tracking of the
resistors results in temperature coefficients for differential
nonlinearity, zero and gain of ±2, ±3 and ±20ppm/°C
maximum, respectively.
DAC-HZ Series
12-Bit, Industry-Standard
Digital-to-Analog Converters
INPUT/OUTPUT CONNECTIONS
PIN FUNCTION
PIN FUNCTION
1 BIT 1 (MSB)
2 BIT 2
3 BIT 3
4 BIT 4
5 BIT 5
6 BIT 6
7 BIT 7
8 BIT 8
9 BIT 9
10 BIT 10
11 BIT 11
12 BIT 12 (LSB)
24 REFERENCE OUT
23 GAIN ADJUST
22 +15V SUPPLY
21 GROUND
20 CURRENT OUTPUT
19 20V RANGE
18 10V RANGE
17 BIPOLAR OFFSET
16 REFERENCE IN
15 VOLTAGE OUTPUT
14 –15V SUPPLY
13 NO CONNECTION
BITS BCD
BITS BINARY MSB 1 2 3 4 5 6 7 8 9 10 11 12 LSB
1 2 3 4 5 6 7 8 9 10 11 12
D/A CONVERTER
5kW
(4kW , BCD)
5kW
(4kW , BCD)
19 20V RANGE
18 10V RANGE
REFERENCE IN 16
BIPOLAR OFFSET 17
GAIN ADJUST 23
6.3kW *
* FOR BCD MODELS,
THIS RESISTOR IS
OPEN CIRCUIT.
+6.3V
REFERENCE
20 CURRENT OUTPUT
15 VOLTAGE OUTPUT
21 GROUND
REFERENCE OUT 24
22
+15V
SUPPLY
14
–15V
SUPPLY
13
NO INTERNAL
CONNECTION
Figure 1. Functional Block Diagram

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