Resolution
MAX5154/MAX5155
Low-Power, Dual, 12-Bit Voltage-Output DACs
with Serial Interface
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—MAX5155
(V
DD
= +2.7V to +3.6V, V
REFA
= V
REFB
= 1.25V, R
L
= 10k, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C (OS_ pins tied to AGND for a gain of +2V/V).)
nV-s5Digital Crosstalk
CS = V
DD
, f
DIN
= 100kHz, V
SCLK
= 3Vp-p
nV-s5Digital Feedthrough
µs25
Time Required for Valid
Operation after Shutdown
Input code = 1FFE hex,
V
REF_
= 1Vp-p at 1V
DC
, f = 15kHz
dB73SINAD
Signal-to-Noise plus
Distortion Ratio
(Note 5)
Input code = 0000 hex,
V
REF_
= (V
DD
- 1.4)Vp-p at 1kHz
Input code = 1FFE hex,
V
REF_
= 0.67Vp-p at 0.75V
DC
CL, PDL, CS, DIN, SCLK
2.7V V
DD
3.6V
Minimum with code 1554 hex
Normalized to 1.25V
Guaranteed monotonic
Code = 10
Normalized to 1.25V
V0.8V
IL
Input Low Voltage
V
IN
= 0V to V
DD
µA0 ±1I
IN
Input Leakage Current
pF8
C
IN
Input Capacitance
mV200V
HYS
Input Hysteresis
CL, PDL, CS, DIN, SCLK
V
dB-82Reference Feedthrough
kHz300Reference 3dB Bandwidth
2.2V
IH
Input High Voltage
k14 20R
REF
Reference Input Resistance
±2
MAX5155A
MAX5155B
LSB
±1
INL
Bits12
Integral Nonlinearity
PSRR
V
DD
Power-Supply
Rejection Ratio
µV/V40 320
ppm/°C6.5Gain-Error Tempco
LSB±1DNLDifferential Nonlinearity
mV±6V
os
Offset Error
ppm/°C6.5TCV
os
Offset Tempco
LSB-0.2 ±4Gain Error
Rail-to-rail (Note 6)
I
SOURCE
= 2mA
k24 34R
OS_
OSA or OSB Input Resistance
V0 to V
DD
Output Voltage Swing
VV
DD
- 0.5V
OH
Output High Voltage
CONDITIONS UNITSMIN TYP MAXSYMBOLPARAMETER
REFReference Input Range V0 V
DD
- 1.4
DIGITAL OUTPUTS (DOUT, UPO)
I
SINK
= 2mA V0.13 0.4V
OL
Output Low Voltage
To 1/2LSB of full-scale, V
STEP
= 2.5V µs15Output Settling Time
V/µs0.75SRVoltage Output Slew Rate
REFERENCE INPUT (VREF)
MULTIPLYING-MODE PERFORMANCE
DIGITAL INPUTS
STATIC PERFORMANCE
DYNAMIC PERFORMANCE
MAX5154/MAX5155
Low-Power, Dual, 12-Bit Voltage-Output DACs
with Serial Interface
_______________________________________________________________________________________ 5
Note 5: Accuracy is specified from code 10 to code 4095.
Note 6: Accuracy is better than 1LSB for V
OUT
greater than 6mV and less than V
DD
- 80mV. Guaranteed by PSRR test at the end
points.
Note 7: Digital inputs are set to either V
DD
or DGND, code = 0000 hex, R
L
= .
ELECTRICAL CHARACTERISTICS—MAX5155 (continued)
(V
DD
= +2.7V to +3.6V, V
REFA
= V
REFB
= 1.25V, R
L
= 10k, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C (OS_ pins tied to AGND for a gain of +2V/V).)
C
LOAD
= 200pF ns120t
DO2
SCLK Fall to DOUT Valid
Propagation Delay
ns100t
CSW
CS Pulse Width High
ns40t
CS1
CS Rise to SCLK Rise Hold
ns10t
CS0
SCLK Rise to CS Fall Delay
CONDITIONS UNITS
(Note 7) mA0.45 0.6I
DD
Power-Supply Current
(Note 7) µA1 8I
DD (SHDN)
Power-Supply Current
in Shutdown
µA
MIN TYP MAX
0 ±1Reference Current in Shutdown
(Note 4) ns100
SYMBOLPARAMETER
t
CP
SCLK Clock Period
ns40t
CH
SCLK Pulse Width High
ns40t
CL
SCLK Pulse Width Low
ns40t
CSS
CS Fall to SCLK Rise
Setup Time
ns0t
CSH
SCLK Rise to CS Rise Hold Time
ns50t
DS
SDI Setup Time
ns0t
DH
SDI Hold Time
C
LOAD
= 200pF ns120t
DO1
SCLK Rise to DOUT Valid
Propagation Delay
V2.7 3.6V
DD
Positive Supply Voltage
POWER SUPPLIES
TIMING CHARACTERISTICS
MAX5154/MAX5155
Low-Power, Dual, 12-Bit Voltage-Output DACs
with Serial Interface
6 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(V
DD
= +5V, R
L
= 10k, C
L
= 100pF, OS_ pins tied to AGND, T
A
= +25°C, unless otherwise noted.)
-20
-16
-18
-12
-14
-8
-10
-6
-2
-4
0
1 370 740 1110 1480 1850
REFERENCE VOLTAGE INPUT
FREQUENCY RESPONSE
MAX5154/5155toc01
FREQUENCY (kHz)
RELATIVE OUTPUT (dB)
V
REF
= 0.67Vp-p @ 2.5V
DC
CODE = 1FFE (HEX)
400
450
550
500
650
600
700
-55 5-15-35 4525 65 10585 125
SUPPLY CURRENT vs. TEMPERATURE
MAX5154/5155 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
V
REF
= 2.048V
R
L
=
CODE = 1FFE (HEX)
CODE = 0000 (HEX)
-30
-80
1 10 100
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
-70
MAX5154/5155 toc03
FREQUENCY (kHz)
THD + NOISE (dB)
-60
-50
-40
V
REF
= 1Vp-p @ 2.5V
DC
CODE = 1FFE (HEX)
0
0.1 1 10 100
FULL-SCALE ERROR vs. RESISTIVE LOAD
-1.25
-1.00
-1.50
-0.75
-0.50
-0.25
0.25
0.50
MAX5154/5155 toc04
R
L
(k)
FULL-SCALE ERROR (LSB)
V
REF
= 2.048V
-100
-80
-90
-60
-70
-40
-50
0.5 1.6 2.7 3.8 4.9 6.0
-30
-10
-20
0
OUTPUT FFT PLOT
MAX5154/5155 toc07
V
REF
= 2.45Vp-p @ 1.225V
DC
f = 1kHz
CODE = 1FFE (HEX)
NOTE: RELATIVE TO FULL-SCALE
FREQUENCY (kHz)
RELATIVE OUTPUT (dB)
-150
-130
-140
-110
-120
-90
-100
-80
-60
-70
-50
0.5 1.5 2.0 2.51.0 3.0 3.5 4.0 5.04.5 5.5
REFERENCE FEEDTHROUGH AT 1kHz
MAX5154/5155 toc05
FREQUENCY (kHz)
RELATIVE OUTPUT (dB)
V
REF
= 3.6Vp-p @ 1.88V
DC
CODE = 0000 (HEX)
DYNAMIC RESPONSE RISE TIME
MAX5154/5155 toc08
2µs/div
OUT_
1V/div
5V/div
CS
V
REF
= 2.048V
2µs/div
DYNAMIC RESPONSE FALL TIME
MAX5154/5155 toc09
OUT_
1V/div
5V/div
CS
V
REF
= 2.048V
MAX5154

MAX5155BCPE

Mfr. #:
Manufacturer:
Maxim Integrated
Description:
Digital to Analog Converters - DAC Low-Power, Dual, 12-Bit Voltage-Output DACs with Serial Interface
Lifecycle:
New from this manufacturer.
Delivery:
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