MAX5188/MAX5191
Dual, 8-Bit, 40MHz, Current/Voltage,
Alternate-Phase Output DACs
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ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= DV
DD
= +3V ±10%, AGND = DGND = 0, f
CLK
= 40MHz, I
FS
= 1mA, 400Ω differential output, C
L
= 5pF, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25°C.)
CS Fall to CLK Fall Time
5 ns
DACEN Rise Time to V
OUT
0.5 µs
PD Fall Time to V
OUT
50 µs
Clock Period t
CLK
25 ns
Clock High Time t
CH
10 ns
Clock Low Time t
CL
10 ns
PARAMETER SYMBOL MIN TYP MAX UNITS
Current Gain (I
FS
/ I
REF
) 8 mA/mA
Reference Supply Rejection 0.5 mV/V
Reference Output Drive
Capability
I
REFOUT
10 µA
Analog Power-Supply Voltage AV
DD
2.7 3.3 V
Analog Supply Current I
AVDD
2.7 5 mA
Digital Power-Supply Voltage DV
DD
2.7 3.3 V
Digital Supply Current I
DVDD
4.2 5 mA
Output Voltage Range V
REF
1.12 1.2 1.28 V
Output Voltage Temperature
Drift
TCV
REF
50 ppm/°C
Standby Current I
STANDBY
1 1.5 mA
Shutdown Current I
SHDN
0.5 1 µA
Digital Input High Voltage V
IH
2 V
Digital Input Low Voltage V
IL
0.8 V
Digital Input Current I
IN
±1 µA
Digital Input Capacitance C
IN
10 pF
DAC1 DATA to CLK Rise Setup
Time
t
DS1
10 ns
DAC2 DATA to CLK Fall Setup
Time
t
DS2
10 ns
DAC1 CLK Rise to DATA Hold
Time
t
DH1
0 ns
DAC2 CLK Fall to DATA Hold
Time
t
DH2
0 ns
CS Fall to CLK Rise Time
5 ns
CONDITIONS
PD = 0, DACEN = 0, digital inputs at 0 or DV
DD
PD = 1, DACEN = X, digital inputs at 0 or DV
DD
(X = don’t care)
PD = 0, DACEN = 1, digital inputs at 0 or DV
DD
PD = 0, DACEN = 1, digital inputs at 0 or DV
DD
V
IN
= 0 or DV
DD
REFERENCE
POWER REQUIREMENTS
LOGIC INPUTS AND OUTPUTS
TIMING CHARACTERISTICS
Note 1: Excludes reference and reference resistor (MAX5191) tolerance.
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