Rainbow Electronics MAX5191 - Manual (Page 5)

MAX5188/MAX5191
Dual, 8-Bit, 40MHz, Current/Voltage,
Alternate-Phase Output DACs
_______________________________________________________________________________________ 5
1.28
1.27
1.26
1.25
1.24
1.23
2.5 4.0 3.0 3.5 4.5 5.0 5.5
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX5188/91-11
SUPPLY VOLTAGE (V)
REFERENCE VOLTAGE (V)
MAX5188
MAX5191
1.28
1.27
1.25
1.24
1.26
1.23
-40 35 -15 10 60 85
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX5188/91-12
TEMPERATURE (°C)
REFERENCE VOLTAGE (V)
MAX5188
MAX5191
4
3
1
2
0
0 300 100 200 400 500
OUTPUT CURRENT
vs. REFERENCE CURRENT
MAX5188/91-13
REFERENCE CURRENT ( µA)
OUTPUT CURRENT (mA)
DYNAMIC RESPONSE RISE TIME
MAX5188/91-14
50ns/div
OUT_P
150mV/div
OUT_N
150mV/div
DYNAMIC RESPONSE FALL TIME
MAX5188/91-15
50ns/div
OUT_P
150mV/div
OUT_N
150mV/div
SETTLING TIME
MAX5188/91-16
12.5ns/div
OUT_N
100mV/div
OUT_P
100mV/div
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
0 2 4 6 8 10 12 14 16 18 20
FFT PLOT, DAC1
MAX5188/91-17
OUTPUT FREQUENCY (MHz)
(dBc)
f CLK = 40MHz
f OUT = 2.2MHz
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
0 2 4 6 8 10 12 14 16 18 20
FFT PLOT, DAC2
MAX5188/91-18
OUTPUT FREQUENCY (MHz)
(dBc)
f CLK = 40MHz
f OUT = 2.2MHz
Typical Operating Characteristics (continued)
(AV DD = DV DD = +3V, AGND = DGND = 0, 400 Ω differential output, I
FS = 1mA, C L = 5pF, T A = +25°C, unless otherwise noted.)