MAX5116 Datasheet PDF - Maxim

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MAX5116
Maxim

Part Number MAX5116
Description Nonvolatile - Quad 8-Bit DACs with 2-Wire Serial Interface
Page 19 Pages


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19-3586; Rev 0; 2/05
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Nonvolatile, Quad, 8-Bit DACs with 2-Wire Serial
Interface
General Description
The MAX5115/MAX5116 quad, 8-bit, digital-to-analog
converters (DACs) feature nonvolatile registers. These
nonvolatile registers store the DAC operating modes
and output states, allowing the DACs to initialize to
specified configurations at power-up.
Precision on-chip output buffers swing rail-to-rail, and
provide 8µs settling time. The I2C*-compatible, 2-wire
serial interface allows for a maximum clock frequency
of 400kHz.
The MAX5115 has independent high and low reference
inputs allowing maximum output voltage range flexibili-
ty. The MAX5116 has single high and low reference
inputs for all DACs to minimize trace count and save
board space. The reference rails accept voltage inputs
that range from ground to the positive supply rail.
The devices operate from a single +2.7V to +5.25V sup-
ply and consume 200µA per DAC. A software-controlled
power-down mode decreases supply current to less
than 25µA. A software-controlled mute mode sets each
DAC, or both DACs simultaneously, to their respective
REFL_ voltages. The MAX5116 also includes an asyn-
chronous MUTE input, that drives all DAC outputs simul-
taneously to their respective REFL_ voltages.
The MAX5115 is available in a 20-pin QSOP, and the
MAX5116 is available in a 16-pin QSOP package. Both
devices are specified for operation over the extended
(-40°C to +85°C) temperature range.
Applications
Digital Gain and Offset Adjustments
Programmable Attenuators
Portable Instruments
Power-Amp Bias Control
ATE Calibration
Laser Biasing
Features
Nonvolatile Registers Initialize DACs to Stored
States
+2.7V to +5.25V Single-Supply Operation
Quad 8-Bit DACs with Independent High and Low
Reference Inputs
Rail-to-Rail Output Buffers
Low 200µA per DAC Supply Current
Power-Down Mode Reduces Supply Current to
25µA (max)
400kHz, I2C-Compatible, 2-Wire Serial Interface
Asynchronous MUTE Input (MAX5116)
Small 16-/20-Pin QSOP Packages
Ordering Information
PART
MAX5115EEP
MAX5116EEE
TEMP RANGE
PIN-
PACKAGE
REFERENCE
INPUTS
-40°C to +85°C 20 QSOP
-40°C to +85°C 16 QSOP
4
1
Simplified Diagram
VDD REFH
MAX5116
DAC0
NONVOLATILE/
VOLATILE
REGISTERS
DAC0
OUT0
SCL
SDA
A3
A2
A1
A0
MUTE
2-WIRE
SERIAL
INTERFACE/
CONTROL
DAC1
NONVOLATILE/
VOLATILE
REGISTERS
DAC2
NONVOLATILE/
VOLATILE
REGISTERS
DAC1
DAC2
OUT1
OUT2
Pin Configuration and Typical Operating Circuit appear at
end of data sheet.
DAC3
NONVOLATILE/
VOLATILE
REGISTERS
DAC3
OUT3
GND REFL
*Purchase of I2C components from Maxim Integrated Products, Inc., or one of its sublicensed Associate Companies, conveys a
license under the Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C
Standard Specification defined by Philips.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.



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Nonvolatile, Quad, 8-Bit DACs with 2-Wire Serial
Interface
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND, unless otherwise noted.)
VDD, A0, A1, A2, A3, SCL, SDA, MUTE.................-0.3V to +6.0V
OUT0, OUT1, OUT2, OUT3, REFH0, REFH1, REFH2,
REFH3, REFH, REFL0, REFL1, REFL2, REFL3,
REFL .......................................................-0.3V to (VDD + 0.3V)
Maximum Current into Any Pin .........................................±50mA
Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
20-Pin QSOP (derate 9.1mW/°C above +70°C)...........727mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature .....................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°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.
ELECTRICAL CHARACTERISTICS
(VDD = +2.7V to +5.25V, GND = 0, REFH_ = VDD, REFL_ = GND, RLOAD = 5k, CL = 100pF, TA = -40°C to +85°C, unless otherwise
noted. Typical values are at VDD = +3.0V and TA = +25°C.) (Note 1)
PARAMETER
STATIC ACCURACY
Resolution
Integral Nonlinearity
Differential Nonlinearity (Note 2)
Offset Error
Offset Temperature Coefficient
Gain Error
SYMBOL
CONDITIONS
INL
DNL
ZCE
Code range 0A hex to F0 hex
Full code range
Code range 0A hex to F0 hex
Full code range
Code = 0A hex
Code = 0A hex
Code = F0 hex (Note 3)
MIN TYP MAX UNITS
8 Bits
±1
LSB
±2
±0.5
LSB
±1
±20 mV
±20 µV/°C
±1 LSB
Gain-Error Temperature
Coefficient
Code = F0 hex
±0.002
LSB/°C
Power-Supply Rejection Ratio
PSRR
Code = FF hex or 0A hex, VREFH_ = 2.5V,
VREFL_ = 0, f = DC
REFERENCE INPUT (REFH_, REFL_, REFH, REFL)
1 LSB/V
Input Voltage Range
Input Resistance
VREFH_,
VREFL_
VREFH_ VREFL_
MAX5115
MAX5116
0 VDD
320 460 600
80 115 150
V
k
Input-Resistance Temperature
Coefficient
Input Capacitance
DAC OUTPUTS (OUT_)
Load Regulation
Output Leakage
Amplifier Output Resistance
DIGITAL INPUTS (A_, MUTE)
Code = F0 hex, RLOAD 5k
DAC powered down, not muted
0.5V VOUT_ (VDD - 0.5V)
±35 ppm/°C
10 pF
±0.5
±1
LSB
±10 µA
0.5
Input High Voltage (Note 4)
VIH 2.7V VDD < 3.6V
3.6V VDD 5.25V
0.7 x
VDD
2.52
V
2 _______________________________________________________________________________________



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Nonvolatile, Quad, 8-Bit DACs with 2-Wire Serial
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ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V, GND = 0, REFH_ = VDD, REFL_ = GND, RLOAD = 5k, CL = 100pF, TA = -40°C to +85°C, unless otherwise
noted. Typical values are at VDD = +3.0V and TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
Input Low Voltage (Note 4)
VIL 2.7V VDD < 3.6V
3.6V VDD 5.25V
Input Hysteresis
VHYS
Input Leakage Current
Input Capacitance
DIGITAL OUTPUT (SDA)
Output Low Voltage
Tri-State Leakage
Tri-State Output Capacitance
DYNAMIC PERFORMANCE
SCL to OUT_ Settling
Crosstalk
Multiplying Signal-to-Noise Plus
Distortion
Multiplying Bandwidth
Reference Feedthrough
Clock Feedthrough
Output Noise
Power-Up Time
Power-Down Time
INTERFACE PORTS (SCL, SDA)
IIN
CIN
VOL
IL
COUT
tCOS
SINAD
eN
tSDR
tSDN
VIN = 0 or VDD
ISINK = 3mA
ISINK = 6mA
(Note 5)
(Note 6)
VREFH_ = 2.5VP-P at 1kHz
VREFH_ = 2.5VP-P at 10kHz
VREFH_ = 0.5VP-P, 3dB bandwidth
VREFH_ = 2.5VP-P at 10kHz (Note 7)
From power-down state
Input Voltage
VIL
VIH
Input Hysteresis
Input Current
Input Capacitance
POWER SUPPLIES
Power-Supply Voltage
Supply Current
Power-Down Current
VHYS
IIN
CIN
VDD
ILOAD = 0, digital
IDD inputs at GND or
VDD
Normal operation
During nonvolatile
write
MIN TYP MAX UNITS
0.3 x
VDD
1.1
V
0.05 x
VDD
V
±1 µA
10 pF
0.4
V
0.6
±1 µA
15 pF
8 µs
55 dB
65
dB
52
325 kHz
88 dB
2.5 nVs
800 nV/Hz
4 µs
1.5 µs
0.7 x
VDD
0.05 x
VDD
5
0.3 x
VDD
±1
V
V
µA
pF
2.70 5.25 V
0.8 1.3
mA
2
25 µA
_______________________________________________________________________________________ 3



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Nonvolatile, Quad, 8-Bit DACs with 2-Wire Serial
Interface
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V, GND = 0, REFH_ = VDD, REFL_ = GND, RLOAD = 5k, CL = 100pF, TA = -40°C to +85°C, unless otherwise
noted. Typical values are at VDD = +3.0V and TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
DIGITAL TIMING (Figure 4, Note 8)
SCL Clock Frequency
Setup Time for START Condition
Hold Time for START Condition
SCL High Time
SCL Low Time
Data Setup Time
Data Hold Time
SDA, SCL Rise Time
SDA, SCL Fall Time
Setup Time for STOP Condition
fSCL
tSU:STA
tHD:STA
tHIGH
tLOW
tSU:DAT
tHD:DAT
tR
tF
tSU:STO
Bus Free Time Between a STOP
and START Condition
tBUF
Pulse Width of Spike Suppressed
tSP
Maximum Capacitive Load for
Each Bus Line
CB
(Note 9)
CONDITIONS
MIN TYP MAX UNITS
400 kHz
0.6 µs
0.6 µs
0.6 µs
1.3 µs
100 ns
0 0.9 µs
300 ns
300 ns
0.6 µs
1.3 µs
50 ns
400 pF
Write NV Register Busy Time
NONVOLATILE MEMORY RELIABILITY
Data Retention
Endurance
(Note 10)
TA= +85°C
TA= +25°C
TA= +85°C
15 ms
50
200,000
50,000
Years
Stores
Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design.
Note 2: Guaranteed monotonic.
Note 3: Gain error is defined as:
256 × (VF0,Meas ZCE VF0,Ideal)
VREFH _
where VF0,Meas is the DAC voltage with input code F0 hex and VF0,Ideal is the ideal DAC voltage with input code F0 hex or
(VREFH - VREFL) x (240 / 256) + VREFL.
Note 4: The device draws higher supply current when the digital inputs are driven with voltages between (VDD - 0.5V) and (GND +
0.5V). See Supply Current vs. Digital Input Voltage in the Typical Operating Characteristics.
Note 5: Output settling time is measured from the 50% point of the rising edge of the last SCL of the data byte to 0.5 LSB of OUT_’s
final value for a code transition from 10 hex to F0 hex.
Note 6: Crosstalk is defined as the coupling from a DAC switching from code 00 hex to code FF hex to any other DAC that is in a
steady state at code 00 hex.
Note 7: Reference feedthrough is defined as the coupling from one driven reference with input code = FF hex to any other DAC
output with the reference of the DAC at a constant value and input code = 00 hex.
Note 8: SCL clock period includes rise and fall times tR and tF. All digital input signals are specified with tR = tF = 2ns and timed
from a voltage level of (VIL + VIH) / 2.
Note 9: An appropriate bus pullup resistance must be selected depending on board capacitance. Refer to the document linked to
this web address: www.semiconductors.philips.com/acrobat/literature/9398/39340011.pdf.
Note 10: The busy time begins from the initiation of the stop pulse.
4 _______________________________________________________________________________________



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