only 85μA supply current at +3V, the MAX5712 is ideally
suited for portable battery-operated equipment.
The MAX5712 utilizes a 3-wire serial-interface that is
compatible with SPI/QSPI™/MICROWIRE
®
and DSP-
interface standards. All logic inputs are CMOS-logic com-
patible and buffered with Schmitt triggers to allow direct
interfacing to optocouplers. The MAX5712 incorporates
a power-on reset (POR) circuit that ensures the DAC
begins in a zero-volt-state upon power-up. A power-down
mode that reduces current consumption to 0.3μA may be
initiated through a software command.
The MAX5712 is available in a small 6-pin SOT23
package. For dual and quad 12-bit versions, see the
MAX5722 and MAX5742 data sheets. For single, dual,
and quad 10-bit versions, see the MAX5711, MAX5721
and MAX5741 data sheets. The MAX5712 is specified over
the automotive temperature range of -40°C to +125°C.
Features
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
Applications
●
●
●
●
●
●
MAX5712EUT+T -40°C to +85°C
MAX5712AUT+T -40°C to +125°C
6 SOT23
6 SOT23
ABCQ/ACST
AAUD/ACST
Automatic Tuning
Gain and Offset Adjustment
Power Amplifier Control
Process Control I/O Boards
Battery-Powered Equipment
VCO Control
+Denotes a lead(Pb)-free/RoHS-compliant package.
Pin Configuration
appears at end of data sheet.
QSPI is a trademark of Motorola, Inc.
MICROWIRE is a registered trademark of National Semiconductor, Corp.
Functional Diagram
V
DD
GND
REF+ REF-
DAC
REGISTER
12-BIT
DAC
OUTPUT
BUFFER
100kΩ
INPUT
CONTROL
LOGIC
POWER-DOWN
CONTROL
LOGIC
1kΩ
MAX5712
OUT
POWER-ON
RESET
CS
SCLK
DIN
19-2126; Rev 4; 9/16
MAX5712
Low-Power, 12-Bit, Rail to Rail
Voltage-Output Serial DAC in SOT23
Absolute Maximum Ratings
V
DD
to GND ............................................................-0.3V
to +6V
OUT, SCLK, DIN,
CS
to GND ...................
-0.3V to (V
DD
+ 0.3V)
Maximum Current into Any Pin.........................................±50mA
Continuous Power Dissipation (T
A
= +70°C)
6-Pin SOT23 (derate 9.1mW/°C above +70°C)
..........727mW
Operating Temperature Range ......................... -40°C to +125°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature (soldering, 10s) .................................
+300°C
Soldering Temperature (reflow) ....................................... +260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Thermal Characteristics
(Note 1)
SOT23
Junction-to-Ambient Thermal Resistance (θ
JA
) ...134.40°C/W
Junction-to-Case Thermal Resistance (θ
JC
) ...............39°C/W
Electrical Characteristics
(V
DD
= +2.7V to +5.5V, GND = 0, R
L
= 5kΩ, C
L
= 200pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
DD
= +5V.
T
A
= +25°C)
PARAMETER
STATIC ACCURACY (NOTE 1)
Resolution
Differential Nonlinearity Error
Integral Nonlinearity Error
Zero-Code Error
Zero-Code Error Tempco
Gain Error
Gain-Error Tempco
DAC OUTPUT
Output Voltage Range
DC Output Impedance
Short Circuit Current
Wake-Up Time
DIGITAL INPUTS (SCLK, DIN,
CS)
Input High Voltage
Input Low Voltage
Input Leakage Current
Input Capacitance
DYNAMIC PERFORMANCE
Voltage-Output Slew Rate
Voltage-Output Settling Time
Digital Feedthrough
Digital-Analog Glitch Impulse
SR
400 hex to C00 hex (Note 4)
Any digital inputs from 0 to V
DD
Major carry transition (code 7FF hex to code
800 hex)
0.5
4
0.2
12
10
V/µs
µs
nV-s
nV-s
V
IH
V
IL
I
IN
C
IN
Output Leakage Current
No-load (Note 3)
Code = 800 hex
V
DD
= +3V
V
DD
= +5V
V
DD
= +3V
V
DD
= +5V
Power-down mode = output high-impedance
V
DD
= +3V, +5V
V
DD
= +3V, +5V
Digital Inputs = 0 or V
DD
±0.1
5
0.7 x V
DD
0.3 x V
DD
±1
0
0.8
15
48
8
8
±18
±33
V
DD
V
Ω
mA
µs
nA
V
V
µA
pF
GE
Code = FFF hex
Integral
0.26
N
DNL
INL
OE
Guaranteed monotonic (Note 2)
(Note 2)
Code = 000
±2
0.4
2.3
-3
12
±1
±16
1.5
Bits
LSB
LSB
% of FS
ppm/°C
% of FS
ppm/°C
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
www.maximintegrated.com
Maxim Integrated
│
2
MAX5712
Low-Power, 12-Bit, Rail to Rail
Voltage-Output Serial DAC in SOT23
Electrical Characteristics (continued)
(V
DD
= +2.7V to +5.5V, GND = 0, R
L
= 5kΩ, C
L
= 200pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
DD
= +5V.
T
A
= +25°C)
PARAMETER
POWER REQUIREMENTS
Supply Voltage Range
Supply Current with No-Load
Power-Down Supply Current
SCLK Clock Frequency
SCLK Pulse Width High
SCLK Pulse Width Low
CS
Fall-to-SLCK Rise Setup
DIN Setup Time
DIN Hold Time
SCLK Falling Edge-to-CS
Rising Edge
CS
Pulse Width High
Note
Note
Note
Note
1:
2:
3:
4:
V
DD
I
DD
I
DDPD
f
SCLK
t
CH
t
CL
t
CSS
t
DS
t
DH
t
CSH
t
CSW
All digital inputs at 0 or V
DD
, V
DD
= +3.6V
All digital inputs at 0 or V
DD
, V
DD
= +5.5V
All digital inputs at 0 or V
DD
, V
DD
= +5.5V
0
20
20
15
15
0
10
80
2.7
85
105
0.29
5.5
150
187
1
20
V
µA
µA
MHz
ns
ns
ns
ns
ns
ns
ns
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING CHARACTERISTICS (FIGURE 1) (TIMING IS TESTED WITH NO-LOAD)
DC Specifications are tested without output loads.
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
