Rainbow Electronics MAX5157 - Manual (Page 7)

MAX5156/MAX5157
Low-Power, Dual, 12-Bit Voltage-Output DACs
with Configurable Outputs
_______________________________________________________________________________________ 7
-20
-16
-18
-12
-14
-8
-10
-6
-2
-4
0
0 500 1000 1500 2000 2500
REFERENCE VOLTAGE INPUT
FREQUENCY RESPONSE
MAX5156 TOC10
FREQUENCY (kHz)
RELATIVE OUTPUT (dB)
V REF = 0.67Vp-p @ 1.25V DC
CODE = 1FFE (HEX)
0.40
0.50
0.45
0.55
0.60
-60 20 60 -20 100 140
SUPPLY CURRENT
vs. TEMPERATURE
MAX5156 TOC11
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
CODE = 1FFE (HEX)
CODE = 0000 (HEX)
R L =
∞
-30
-90
0 10 100
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
-70
-50
-60
-80
-40
MAX5156 TOC12
FREQUENCY (kHz)
THD + NOISE (dB)
V REF = 1Vp-p @ 1V DC
CODE = 1FFE (HEX)
0
-0.6
0.1 1 10 100 1000
FULL-SCALE ERROR vs. RESISTIVE LOAD
-0.4
MAX5156 TOC13
R L (k Ω )
FULL-SCALE ERROR (LSB)
-0.5
-0.3
-0.2
-0.1
V REF = 1.25V
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0.5 1.5 2.0 2.5 1.0 3.0 3.5 4.0 5.0 4.5 5.5
OUTPUT FFT PLOT
MAX5156-TOC16
FREQUENCY (kHz)
RELATIVE OUTPUT (dB)
V REF = 1.6Vp-p @ 0.88V DC
f = 1kHz
CODE = 1FFE (HEX)
NOTE: RELATIVE TO FULL SCALE
-150
-130
-140
-110
-120
-90
-100
-80
-60
-70
-50
0.5 1.5 2.0 2.5 1.0 3.0 3.5 4.0 5.0 4.5 5.5
REFERENCE FEEDTHROUGH AT 1kHz
MAX5156-TOC14
FREQUENCY (kHz)
RELATIVE OUTPUT (dB)
V REF = 1.6Vp-p @ 0.88V DC
CODE = 0000 (HEX)
0
1.5
1.0
0.5
2.0
2.5
3.0
-55 25 5 -35 -15 45 65 85 105 125
POWER-DOWN CURRENT
vs. TEMPERATURE
MAX5156 TOC15
TEMPERATURE ( ° C)
POWER-DOWN CURRENT (
µ
A)
OUT_
500mV/div
DYNAMIC-RESPONSE RISE TIME
MAX5156 TOC17
2 µ s/div
CS
2V/div
OUT_
500mV/div
DYNAMIC-RESPONSE FALL TIME
MAX5156 TOC18
2 µ s/div
CS
2V/div
____________________________Typical Operating Characteristics (continued)
(V DD = +3V, R L = 10k
Ω
, C L = 100pF, FB_ connected to OUT_, T A = +25°C, unless otherwise noted.)
MAX5157