DAC707JP Datasheet PDF - Burr-Brown Corporation
| Part Number | DAC707JP | |
| Description | Microprocessor-Compatible 16-BIT DIGITAL-TO-ANALOG CONVERTERS | |
| Manufacturers | Burr-Brown Corporation | |
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DAC707
® DAC708
DAC709
Microprocessor-Compatible
16-BIT DIGITAL-TO-ANALOG CONVERTERS
FEATURES
q TWO-CHIP CONSTRUCTION
q HIGH-SPEED 16-BIT PARALLEL, 8-BIT
(BYTE) PARALLEL, AND SERIAL INPUT
MODES
q DOUBLE-BUFFERED INPUT REGISTER
CONFIGURATION
q VOUT AND IOUT MODELS
DESCRIPTION
The DAC708 and DAC709 are 16-bit converters de-
signed to interface to an 8-bit microprocessor bus. 16-
bit data is loaded in two successive 8-bit bytes into
parallel 8-bit latches before being transferred into the
D/A latch. The DAC708 and DAC709 are current and
voltage output models respectively and are in 24-pin
hermetic DIPs. Input coding is Binary Two’s Comple-
ment (bipolar) or Unipolar Straight Binary (unipolar,
when an external logic inverter is used to invert the
MSB). In addition, the DAC708/709 can be loaded
serially (MSB first).
The DAC707 is designed to interface to a 16-bit bus.
q HIGH ACCURACY:
Linearity Error ±0.003% of FSR max
Differential Linearity Error ±0.006% of FSR
max
q MONOTONIC (TO 14 BITS) OVER
SPECIFIED TEMPERATURE RANGE
q HERMETICALLY SEALED
q LOW COST PLASTIC VERSIONS
AVAILABLE (DAC707JP/KP)
Data is written into a 16-bit latch and subsequently the
D/A latch. The DAC707 has bipolar voltage output
and input coding is Binary Two’s Complement (BTC).
All models have Write and Clear control lines as well
as input latch enable lines. In addition, DAC708 and
DAC709 have Chip Select control lines. In the bipolar
mode, the Clear input sets the D/A latch to give zero
voltage or current output. They are all 14-bit accurate
and are complete with reference, and for the DAC707,
and DAC709, a voltage output amplifier. All models
are available with an optional burn-in screening.
8-Bit
(DAC708, 709)
or
16-Bit (DAC707)
Serial
(DAC708, 709)
Serial
Data
High
Byte
Latch
Low
Byte
Latch
D/A
Latch
16-Bit
D/A
Con-
verter
Reference
Circuit
Bipolar
Offset
Summing Junction (708, 709)
10V Range (708, 709)
VOUT
Latch Enables/
Mode Select
CLEAR
WRITE
CHIP SELECT
Control
Logic
DAC707 or DAC709
Only
DAC707/708/709 Block Diagram
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
PDS-557H
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DESCRIPTION OF PIN FUNCTIONS
DAC707
DESIGNATOR
DESCRIPTION
VOUT
VDD
Voltage output for DAC707 (±10V)
Logic supply (+5V)
Pin
# DESIGNATOR
1 A2
2 A0
DCOM
Digital common
3 A1
ACOM
SJ
GA
+VCC
–VCC
CLR
WR
A1
A0
D15 (MSB)
Analog common
4 D7 (D15)
Summing junction of the internal output op amp for the 5 D6 (D14)
DAC707. Offset adjust circuit is connected to the
summing junction of the output amplifier. Refer to Block
Diagram.
Gain adjust pin. Refer to Connection Diagram for gain
adjust circuit.
6 D5 (D13)
Positive supply voltage (+15V)
7 D4 (D12)
Negative supply voltage (–15V)
8 D3 (D11)
Clear line. Sets the input latch to zero and sets the D/A 9 D2 (D10)
latch to the input code that gives bipolar zero on the
D/A output (Active low)
Write control line (Active low)
10 D1 (D9)
Enable for D/A converter latch (Active low)
11 D0 (D8)/SI
Enable for input latch (Active low)
Data bit 15 (Most Significant Bit)
12 DCOM
13 RF2
D14 Data bit 14
14 VOUT
RF1 (DAC708)
D13 Data bit 13
D12 Data bit 12
15 ACOM
16 SJ (DAC709)
IOUT (DAC708)
D11 Data bit 11
D10 Data bit 10
D9 Data bit 9
D8 Data bit 8
D7 Data bit 7
17 BPO
18 GA
19 +VCC
20 –VCC
21 CLR
D6
D5
D4
D3
D2
D1
D0 (LSB)
Data bit 6
Data bit 5
Data bit 4
Data bit 3
Data bit 2
Data bit 1
Data bit 0 (Least Significant Bit)
22 WR
23 CS
24 VDD
25 No pin
26 No pin
27 No pin
28 No pin
DAC708/709
DESCRIPTION
Latch enable for D/A latch (Active low)
Latch enable for “low byte” input (Active low). When
both A0 and A1 are logic “0”, the serial input mode is
selected and the serial input is enabled.
Latch enable for “high byte” input (Active low). When
both A0 and A1 are logic “0”, the serial input mode is
selected and the serial input is enabled.
Input for data bit 7 if enabling low byte (LB) latch or
data bit 15 if enabling the high byte (HB) latch.
Input for data bit 6 if enabling LB latch or data bit 14 if
enabling the HB latch.
Data bit 5 (LB) or data bit 13 (HB)
Data bit 4 (LB) or data bit 12 (HB)
Data bit 3 (LB) or data bit 11 (HB)
Data bit 2 (LB) or data bit 10 (HB)
Data bit 1 (LB) or data bit 9 (HB)
Data bit 0 (LB) or data bit 8 (HB). Serial input when
serial mode is selected.
Digital common
Feedback resistor for internal or external operational
amplifier. Connect to pin 14 when a 10V output range
is desired. Leave open for a 20V output range.
Voltage output for DAC709 or feedback resistor for
use with an external output op amp for the DAC708.
Refer to Connection Diagram for connection of
external op amp to DAC708.
Analog common
Summing junction of the internal output op amp for the
DAC709, or the current output for the DAC708. Refer
to Connection Diagram for connection of external op
amp to DAC708.
Bipolar offset. Connect to pin 16 when operating in the
bipolar mode. Leave open for unipolar mode.
Gain adjust pin
Positive supply voltage (+15V)
Negative supply voltage (–15V)
Clear line. Sets the high and low byte input registers
to zero and, for bipolar operation, sets the D/A register
to the input code that gives bipolar zero on the D/A
output. (In the unipolar mode, invert the MSB prior to
the D/A.)
Write control line
Chip select control line
Logic supply (+5V)
(The DAC708 and DAC709 are in 24-pin packages)
®
5 DAC707/708/709
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for DAC707JP electronic component. |
| Information | Total 11 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ DAC707JP.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| DAC707JP | The function is Microprocessor-Compatible 16-BIT DIGITAL-TO-ANALOG CONVERTERS. Burr-Brown Corporation | |
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