MX7534BQ Datasheet PDF - Maxim Integrated
| Part Number | MX7534BQ | |
| Description | Microprocessor-Compatible / 14-Bit DACs | |
| Manufacturers | Maxim Integrated | |
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19-1116; Rev 1; 11/96
Microprocessor-Compatible,
14-Bit DACs
_______________General Description
The MX7534/MX7535 are high-performance, CMOS,
monolithic, 14-bit digital-to-analog converters (DACs).
Wafer-level, laser-trimmed, thin-film resistors and tempera-
ture-compensated NMOS switches assure operation over
the full operating temperature range with exceptional lin-
ear and gain stability.
The MX7534 accepts right-justified data in two bytes from
an 8-bit bus, while the MX7535 operates with a 14-bit data
bus with separate MS-byte and LS-byte select controls. In
addition, all digital inputs are compatible with both TTL and
5V CMOS-logic levels. The MX7534/MX7535 are intended
for unipolar operation, but may be operated as bipolar
DACs with additional external components. Both devices
are protected against CMOS latchup, and neither requires
the use of external Schottky protection diodes.
The MX7534 is available in 20-pin narrow (0.3") DIP, wide
SO, or PLCC packages. The MX7535 is available in
28-pin, 600 mil wide DIP, wide SO, or PLCC packages.
________________________Applications
Machine and Motion Control Systems
Automatic Test Equipment
Digital Audio
µP-Controlled Calibration Circuitry
Programmable-Gain Amplifiers
Digitally Controlled Filters
Programmable Power Supplies
_________________Pin Configurations
____________________________Features
o 14-Bit Monotonic Over Full Temperature Range
o Full 4-Quadrant Multiplication
o µP-Compatible, Double-Buffered Inputs
o Exceptionally Low Gain Tempco (2.5ppm/°C)
o Low Output Leakage (<20nA) Over Temp.
o Low Power Consumption
o TTL and CMOS Compatible
______________Ordering Information
PART
TEMP. RANGE PIN-PACKAGE INL (LSBs)
MX7534KN
0°C to +70°C 20 Plastic DIP
±1
MX7534JN
0°C to +70°C 20 Plastic DIP
±2
MX7534KCWP 0°C to +70°C 20 SO
±1
MX7534JCWP 0°C to +70°C 20 SO
±2
MX7534KP
0°C to +70°C 20 PLCC
±1
MX7534JP
0°C to +70°C 20 PLCC
±2
MX7534J/D
0°C to +70°C Dice*
±2
MX7534BQ -25°C to +85°C 20 CERDIP
±1
MX7534AQ -25°C to +85°C 20 CERDIP
±2
MX7534BD -25°C to +85°C 20 Ceramic SB
±1
MX7534AD -25°C to +85°C 20 Ceramic SB
±2
MX7534KEWP -40°C to +85°C 20 SO
±1
MX7534JEWP -40°C to +85°C 20 SO
±2
MX7534TQ -55°C to +125°C 20 CERDIP
±1
MX7534SQ -55°C to +125°C 20 CERDIP
±2
MX7534TD -55°C to +125°C 20 Ceramic SB
±1
MX7534SD -55°C to +125°C 20 Ceramic SB
±2
Ordering Information continued at end of data sheet.
*Dice are tested at +25°C, DC parameters only.
_______________Functional Diagrams
TOP VIEW
REF 1
RFB 2
IOUT 3
AGNDS 4
AGNDF 5
DGND 6
D7 7
D6 8
D5 9
D4 10
MX7534
20 VSS
19 VDD
18 CS
17 WR
16 A0
15 A1
14 D0
13 D1
12 D2
11 D3
DIP/SO/PLCC/Ceramic SB
MX7535 at end of data sheet.
VDD
19
REF 1
14-BIT DAC
14
DAC REGISTER
6
MS
INPUT
REGISTER
8
LS
INPUT
REGISTER
CONTROL
LOGIC
MX7534
2
3
RFB
IOUT
4 AGNDS
5 AGNOF
15 A1
16 A0
18 CS
17 WR
7–14
D7–D0
6
DGND
Functional diagrams continued at end of data sheet.
20
VSS
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
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Microprocessor-Compatible,
14-Bit DACs
__________Pin Description (MX7534)
PIN NAME
FUNCTION
1 REF Reference Input to DAC
2
RFB
Feedback Resistor. Used to close the
loop around an external op amp.
3 IOUT Current Output
Analog Ground Sense. Reference
4 AGNDS point for external circuitry. AGNDS
should carry minimum current.
Analog Ground Force. Carries current
5
AGNDF
from internal analog ground connec-
tions. AGNDS and AGNDF are tied
together internally.
6 DGND Digital Ground
7 D7 Data Bit 7
8 D6 Data Bit 6
9 D5 Data Bit 5 or Data Bit 13 (MSB)
10 D4 Data Bit 4 or Data Bit 12
11 D3 Data Bit 3 or Data Bit 11
12 D2 Data Bit 2 or Data Bit 10
13 D1 Data Bit 1 or Data Bit 9
14 D0 Data Bit 0 (LSB) or Data Bit 8
15 A1 Address Input 1
16 A0 Address Input 0
17 WR Write Input. Active low.
18 CS Chip-Select Input. Active low.
19 VDD +12V to +15V Supply-Voltage Input
20
VSS
Bias pin for high-temperature,
low-leakage configuration
__________Pin Description (MX7535)
PIN NAME
FUNCTION
1 REFS Reference Voltage Sense
2 REFF Reference Voltage Force
3
RFB
Feedback Resistor. Used to close the
loop around an external op amp.
4 IOUT Current Output
Analog Ground Sense. Reference
5 AGNDS point for external circuitry. This pin
should carry minimum current.
Analog Ground Force. Carries current
6
AGNDF
from internal analog ground
connections. AGNDS and AGNDF
are tied together internally.
7 DGND Digital Ground
8 D13 Data Bit 13 (MSB)
9 D12 Data Bit 12
10 D11 Data Bit 11
11 D10 Data Bit 10
12 D9 Data Bit 9
13 D8 Data Bit 8
14 D7 Data Bit 7
15 D6 Data Bit 6
16 D5 Data Bit 5
17 D4 Data Bit 4
18 D3 Data Bit 3
19 D2 Data Bit 2
20 D1 Data Bit 1
21 D0 Data Bit 0 (LSB)
22
CSMSB
Chip-Select Most Significant Byte.
Active low.
23
LDAC
Asynchronous Load DAC Input.
Active low.
24
CSLSB
Chip-Select Least Significant Byte.
Active low.
25 WR Write Input. Active low.
26 VDD +12V to +15V Supply-Voltage Input
27
VSS
Bias pin for high-temperature,
low-leakage configuration
28 N.C. No Connection. Not internally connected.
_______________________________________________________________________________________ 5
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