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MAX12527
Dual, 65Msps, 12-Bit, IF/Baseband ADC
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ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3.3V, OV
DD
= 2.0V, GND = 0, REFIN = REFOUT (internal reference), C
L
≈ 10pF at digital outputs, V
IN
= -0.5dBFS (differen-
tial), DIFFCLK/SECLK = OV
DD
, PD = GND, SHREF = GND, DIV2 = GND, DIV4 = GND, G/T = GND, f
CLK
= 65MHz, T
A
= -40°C to
+85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
REF_P Sink Current
I
REFAP
I
REFBP
V
REF_P
= 2.418V 1.2 mA
REF_N Source Current
I
REFAN
I
REFBN
V
REF_N
= 0.882V
0.85
mA
COM_ Sink Current
I
COMA
I
COMB
V
COM_
= 1.65V
0.85
mA
REF_P, REF_N Capacitance
C
REF_P
,
C
REF_N
13 pF
COM_ Capacitance C
COM_
6pF
CLOCK INPUTS (CLKP, CLKN)
Single-Ended Input High
Threshold
V
IH
DIFFCLK/SECLK = GND, CLKN = GND
0.8 x
V
DD
V
Single-Ended Input Low
Threshold
V
IL
DIFFCLK/SECLK = GND, CLKN = GND
0.2 x
V
DD
V
Minimum Differential Clock Input
Voltage Swing
DIFFCLK/SECLK = OV
DD
0.2 V
P-P
Differential Input Common-Mode
Voltage
DIFFCLK/SECLK = OV
DD
V
DD
/ 2
V
CLK_ Input Resistance R
CLK
Each input (Figure 4) 5 kΩ
CLK_ Input Capacitance C
CLK
Each input 2 pF
DIGITAL INPUTS (DIFFCLK/SECLK, G/T, PD, DIV2, DIV4)
Input High Threshold V
IH
0.8 x
OV
DD
V
Input Low Threshold V
IL
0.2 x
OV
DD
V
OV
DD
applied to input ±5
Input Leakage Current
Input connected to ground ±5
µA
Digital Input Capacitance C
DIN
5pF
DIGITAL OUTPUTS (D0A–D11A, D0B–D11B, DORA, DORB, DAV)
D0A–D11A, D0B–D11B, DORA, DORB:
I
SINK
= 200µA
0.2
Output-Voltage Low V
OL
DAV: I
SINK
= 600µA 0.2
V
D0A–D11A, D0B–D11B, DORA, DORB:
I
SOURCE
= 200µA
OV
DD
-
0.2
Output-Voltage High V
OH
DAV: I
SOURCE
= 600µA
OV
DD
-
0.2
V
OV
DD
applied to input ±5
Tri-State Leakage Current
(Note 4)
I
LEAK
Input connected to ground ±5
µA