MAX5136 MAXIM [Maxim Integrated Products], MAX5136 Datasheet

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MAX5136

Manufacturer Part Number
MAX5136
Description
Pin-/Software-Compatible, 16-/12-Bit, Voltage-Output DACs
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet

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The MAX5134–MAX5137 is a family of pin-compatible
and software-compatible 16-bit and 12-bit DACs. The
MAX5134/MAX5135 are low-power, quad 16-/12-bit,
buffered voltage-output, high-linearity DACs. The
MAX5136/MAX5137 are low-power, dual 16-/12-bit,
buffered voltage-output, high-linearity DACs. They use
a precision internal reference or a precision external ref-
erence for rail-to-rail operation. The MAX5134–MAX5137
accept a wide +2.7V to +5.25V supply-voltage range to
accommodate most low-power and low-voltage applica-
tions. These devices accept a 3-wire SPI
/MICROWIRE
board space and reduce the complexity of optically iso-
lated and transformer-isolated applications. The digital
interface’s double-buffered hardware and software
LDAC provide simultaneous output updates. The serial
interface features a READY output for easy daisy-chain-
ing of several MAX5134–MAX5137 devices and/or other
compatible devices. The MAX5134–MAX5137 include a
hardware input to reset the DAC outputs to zero or mid-
scale upon power-up or reset, providing additional safety
for applications that drive valves or other transducers
that need to be off during power-up. The high linearity of
the DACs makes these devices ideal for precision con-
trol and instrumentation applications. The MAX5134–
MAX5137 are available in an ultra-small (4mm x 4mm),
24-pin TQFN package and are specified over the -40°C
to +105°C extended industrial temperature range.
19-4209; Rev 1; 10/08
Functional Diagrams and Typical Operating Circuit appear
at end of data sheet.
SPI and QSPI are trademarks of Motorola Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Automatic Test Equipment
Automatic Tuning
Communication Systems
Data Acquisition
Gain and Offset Adjustment
Portable Instrumentation
Power-Amplifier Control
Process Control and Servo Loops
Programmable Voltage and Current Sources
TM
-/DSP-compatible serial interface to save
________________________________________________________________ Maxim Integrated Products
General Description
Applications
16-/12-Bit, Voltage-Output DACs
TM
-/QSPI
TM
Pin-/Software-Compatible,
-
♦ 16-/12-Bit Resolution in a 4mm x 4mm, 24-Pin
♦ Hardware-Selectable to Zero/Midscale DAC
♦ Double-Buffered Input Registers
♦ LDAC Asynchronously Updates DAC Outputs
♦ READY Facilitates Daisy Chaining
♦ High-Performance 10ppm/°C Internal Reference
♦ Guaranteed Monotonic Over All Operating
♦ Wide +2.7V to +5.25V Supply Range
♦ Rail-to-Rail Buffered Output Operation
♦ Low Gain Error (Less Than ±0.5%FS) and Offset
♦ 30MHz 3-Wire SPI-/QSPI-/MICROWIRE-/
♦ CMOS-Compatible Inputs with Hysteresis
♦ Low-Power Consumption (I
+ Denotes a lead-free/RoHS-compliant package.
* EP = Exposed pad.
Note: All devices are specified over the -40°C to +105°C operating
temperature range.
MAX5134AGTG+
MAX5135GTG+
MAX5136AGTG+
MAX5137GTG+
TQFN Package
Output on Power-Up or Reset
Simultaneously
Conditions
(Less Than ±10mV)
DSP-Compatible Serial Interface
TOP VIEW
*EXPOSED PAD.
**N.C. FOR THE MAX5136/MAX5137.
PART
AVDD
REF0
GND
REFI
N.C.
N.C.
19
20
21
22
23
24
+
18
24 TQFN-EP*
24 TQFN-EP*
24 TQFN-EP*
24 TQFN-EP*
1
PACKAGE
17
Ordering Information
2
PIN-
4mm x 4mm
THIN QFN
MAX5134–
MAX5137
16
3
Pin Configuration
15
4
SHDN
*EP
14
5
RESOLUTION
16 Quad
12 Quad
16 Dual
12 Dual
13
6
(BITS)
= 2µA max)
12
11
10
9
8
7
Features
SCLK
N.C.
CS
DIN
N.C.
GND
(LSB)
INL
±8
±1
±8
±1
1

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MAX5136 Summary of contents

Page 1

... DACs. The MAX5134/MAX5135 are low-power, quad 16-/12-bit, buffered voltage-output, high-linearity DACs. The MAX5136/MAX5137 are low-power, dual 16-/12-bit, buffered voltage-output, high-linearity DACs. They use a precision internal reference or a precision external ref- erence for rail-to-rail operation. The MAX5134–MAX5137 accept a wide +2 ...

Page 2

... Operating Temperature Range .........................-40°C to +105°C Storage Temperature Range .............................-65°C to +150°C (DVDD + 0.3V) and +6V Lead Temperature (soldering, 10s) .................................+300°C (DVDD + 0.3V) and +6V ≥ AVDD DVDD GND = +25°C.) A CONDITIONS MAX5134/MAX5136 N MAX5135/MAX5137 ( N ote 5V, REFI INL AVDD = 5.25V T = +25°C A INL V = 5V, AVDD = 5 ...

Page 3

ELECTRICAL CHARACTERISTICS (continued 2.7V to 5.25V 2.7V to 5.25V, V AVDD DVDD unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL DAC OUTPUT VOLTAGE (Note 2) ...

Page 4

... AVDD Digital Supply Voltage Range DVDD I Supply Current (MAX5134/MAX5135 Supply Current (MAX5136/MAX5137) I Power-Down Supply Current TIMING CHARACTERISTICS (Note 8) (Figure 1) Serial-Clock Frequency SCLK Pulse-Width High SCLK Pulse-Width Low CS Fall-to-SCLK Fall Setup Time SCLK Fall-to CS-Rise Hold Time DIN-to-SCLK Fall Setup Time ...

Page 5

... DIGITAL INPUT CODE (LSB) MAX5134/MAX5136 DIFFERENTIAL NONLINEARITY vs. DIGITAL INPUT CODE 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1.0 0 16384 32768 49152 65536 DIGITAL INPUT CODE (LSB) MAX5134/MAX5136 OFFSET ERROR vs. ANALOG SUPPLY VOLTAGE -10 2.7 3.2 3.7 4.2 4.7 5.2 AVDD ( V ) _______________________________________________________________________________________ Pin-/Software-Compatible, 16-/12-Bit, Voltage-Output DACs Typical Operating Characteristics ...

Page 6

... GAIN ERROR vs. ANALOG SUPPLY VOLTAGE 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 2.7 3.2 3.7 4.2 4.7 AVDD ( V ) ANALOG SUPPLY CURRENT vs. TEMPERATURE 3000 I (MAX5134/MAX5135) AVDD 2500 I (MAX5136/MAX5137) 2000 AVDD 1500 1000 500 I DVDD 0 5.2 -40 - TEMPERATURE (°C) MAJOR CODE TRANSITION MAX5134-MAX5137 toc17 500mV/div 500mV/div 1µs/div GAIN ERROR vs. TEMPERATURE 0.086 0.084 ...

Page 7

A SETTLING TIME DOWN MAX5134-MAX5137 toc19 500mV/div 400ns/div DIGITAL SUPPLY CURRENT vs. DIGITAL SUPPLY VOLTAGE 4 5.25V AVDD 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 2.7 3.2 3.7 4.2 4.7 5.2 ...

Page 8

Pin-/Software-Compatible, 16-/12-Bit, Voltage-Output DACs (T = +25°C, unless otherwise noted.) A FULL-SCALE REFERENCE FEEDTHROUGH MAX5134-MAX5137 toc28 V OUT_ REF POWER-UP GLITCH, ZERO SCALE, EXTERNAL REFERENCE MAX5134-MAX5137 toc31 V AVDD V OUT_ POWER-UP GLITCH, MIDSCALE, INTERNAL REFERENCE V AVDD V OUT_ ...

Page 9

... The MAX5134–MAX5137 is a family of pin-compatible and software-compatible 16-bit and 12-bit DACs. The MAX5134/MAX5135 are low-power, quad 16-/12-bit, buffered voltage-output, high-linearity DACs. The MAX5136/MAX5137 are low-power, dual 16-/12-bit, buffered voltage-output, high-linearity DACs. The MAX5134–MAX5137 minimize the digital noise feedthrough from input to output by powering down the SCLK and DIN input buffers after completion of each 24- bit serial input. On power-up, the MAX5134– ...

Page 10

... X * For the MAX5136/MAX5137, DAC2 and DAC3 do not exist. For the MAX5135/MAX5137, D0–D3 are don’t-care bits. 10 ______________________________________________________________________________________ External Reference high-to-low transition, the data is shifted synchronously and latched into the input register on each falling edge of the serial-clock input (SCLK). Each serial word is 24 bits ...

Page 11

... The MAX5134/MAX5136 DAC code is unipolar binary with V = (code/65,536 OUT_ MAX5137 DAC code is unipolar binary with V (code/4096 See Table 1 for the serial interface REF commands. Connect the MAX5134–MAX5137 DVDD supply to the supply of the host DSP or microprocessor. The AVDD supply may be set to any voltage within the operating range of 2 ...

Page 12

Pin-/Software-Compatible, 16-/12-Bit, Voltage-Output DACs Daisy chain multiple MAX5134–MAX5137 devices by connecting the first device conventionally, then connect its READY output to the CS of the following device. Repeat for any other devices in the chain, and drive the SCLK and ...

Page 13

CSm µC CS1 CS SCLK DWRITE DREAD INT Figure 6. Daisy Chain (CS Not Used) ______________________________________________________________________________________ Pin-/Software-Compatible, 16-/12-Bit, Voltage-Output DACs TO OTHER CHIPS/CHAINS SLAVE 1 CS MAX5134– SCLK MAX5137 DIN READY SLAVE 2 CS MAX5134– SCLK MAX5137 DIN READY SLAVE ...

Page 14

... INL is the deviation of the measured transfer function from a best fit straight line drawn between two codes. For the MAX5134/MAX5136, this best fit line is a line drawn between codes 3072 and 64,512 of the transfer function, once offset and gain errors have been nullified. ...

Page 15

Offset error indicates how well the actual transfer func- tion matches the ideal transfer function at a single point. Typically, the point at which the offset error is specified near the zero-scale point of the transfer function. ...

Page 16

Pin-/Software-Compatible, 16-/12-Bit, Voltage-Output DACs MAX5134 MAX5135 M/Z CS SERIAL-TO- SCLK PARALLEL CONVERTER DIN READY 16 ______________________________________________________________________________________ AVDD DVDD GND POR POWER-DOWN CONTROL CONTROL LOGIC DAC INPUT REGISTER REGISTER INPUT DAC REGISTER REGISTER INPUT DAC REGISTER REGISTER DAC INPUT REGISTER REGISTER ...

Page 17

... Voltage-Output DACs POR MAX5136 MAX5137 M/Z CONTROL LOGIC INPUT CS REGISTER SERIAL-TO- SCLK PARALLEL CONVERTER DIN INPUT REGISTER READY LDAC ______________________________________________________________________________________ Pin-/Software-Compatible, Functional Diagrams (continued) AVDD DVDD GND REFI REFO REFERENCE POWER-DOWN CONTROL DAC 12-/16-BIT REGISTER DAC DAC 12-/16-BIT REGISTER DAC ...

Page 18

Pin-/Software-Compatible, 16-/12-Bit, Voltage-Output DACs DIGITAL POWER SUPPLY 100nF *SHOWN IN BIPOLAR CONFIGURATION For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 24 TQFN-EP 18 ______________________________________________________________________________________ ANALOG POWER SUPPLY 100nF 100nF DVDD AVDD M/Z LDAC OUT ...

Page 19

... Initial release of MAX5134 1 10/08 Initial release of MAX5135/MAX5136/MAX5137 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 19 © ...

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