XRD64L44 Datasheet, PDF (9/15 Pages) Exar Corporation – Dual 10-Bit 50MSPS CMOS ADC

Preliminary
XRD64L44
ELECTRICAL CHARACTERISTICS TABLE (CONT'D)
Test Conditions (Unless Otherwise Specified)
T_A = 25°C AV_DD = DV_DD = +3.3V, VIN = GND to +2.5V, V_RLF = GND, V_RHF = +2.5V and Fs = 50 MSPS, 50% Duty
Cycle, Differential Input Mode
SymbolParameter
Min. Typ. Max. Unit Conditions/Comments
DIGITAL INPUTS
DVINH Digital Input High Voltage
2.5
V
DVINL Digital Input Low Voltage
0.5 V
DIINH
Digital Input High Current (The DIFF input has an internal pull-up resistor, TRI_A and TRI_B have
internal pull-down resistors
CKIN Clock Input
-5.0 0.05 5.0 nA
DIFF Differential/Single-Ended Input -1.0 -0.25 1.0 uA
TRI_A/TRI_B A/B Channel Tri-State
-125.0 -90.0 -50.0 uA
DIINL
Digital Input Low Current (The DIFF input has an internal pull-up resistor, TRI_A and TRI_B have
internal pull-down resistors
CKIN Clock Input
-5.0 0.05 5.0 nA
DIFF Differential/Single-Ended Input 50.0 90.0 125.0 uA
TRI_A/TRI_B A/B Channel Tri-State
DINC Digital Input Capacitance
-1.0 0.25 1.0 uA
5
8
pF
DIGITAL OUTPUTS (CL = 10 pF)
DOHV Digital Output High Voltage DVdd -0.4VDVdd-0.3V
V IOH = 1.5 mA
DOLV Digital Output Low Voltage
0.3 0.4
V
IOL = 1.5 mA
IOZ
High-Z Leakage
-20 0.2 20 nA
POWER SUPPLIES
`
AV_DD
Analog Power Supply Voltage 3.0 3.3 3.6
V
DV_DD
Digital Power Supply Range
AVDD
V
DVDD = AVDD
Fs = 40 MHz, AVdd = DVdd = 3.0V, CL = 10pF, Fin = 10MHz
AIDD Analog Supply Current
37
mA
DIDD Digital Supply Current
15
mA
DOIDD Output Driver Current
15
mA
VRHF Top Voltage Ref Force Current
8
mA VRHF/125, VRHF = 1.0V
PDISS Power Dissipation
225
mW
Fs = 50 MHz, AVdd = DVdd = 3.0V, CL = 10pF, Fin = 10MHz
AIDD Analog Supply Current
38
mA
DIDD Digital Supply Current
19
mA
DOIDD Output Driver Current
18
mA
VRHF Top Voltage Ref Force Current
8
mA VRHF/125, VRHF = 1.0V
PDISS Power Dissipation
250
mW
Rev. P1.00
9