PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
CLK
0.2 x
V
DD
Input Low Threshold V
IL
PD, OE
0.2 x
OV
D D
V
Input Hysteresis V
HYST
0.1 V
I
IH
V
IH
= V
DD
= OV
DD
±5
Input Leakage
I
IL
V
IL
= 0 ±5
µA
Input Capacitance C
IN
5pF
DIGITAL OUTPUTS (D9–D0)
Output Voltage Low V
OL
I
SINK
= 200µA 0.2 V
Output Voltage High V
OH
I
SOURCE
= 200µA
OV
DD
-
0.2
V
Three-State Leakage Current I
LEAK
OE = OV
DD
±10 µA
Three-State Output Capacitance C
OUT
OE = OV
DD
5pF
POWER REQUIREMENTS
Analog Supply Voltage V
DD
2.7 3.0 3.6 V
Output Supply Voltage OV
DD
C
L
= 10pF 1.7 3.0 3.6 V
Operating, f
IN
= 19.943MHz at -0.5dBFS 30 37 mA
Analog Supply Current I
VDD
Shutdown, clock idle, PD = OE = OV
DD
415µA
Operating, C
L
= 15pF, f
IN
= 19.943MHz at
-0.5dBFS
7mA
Output Supply Current I
OVDD
Shutdown, clock idle, PD = OE = OV
DD
110µA
Offset ± 0.1 mV/V
Power-Supply Rejection PSRR
Gain ± 0.1 %/V
TIMING CHARACTERISTICS
CLK Rise to Output Data Valid t
DO
Figure 5 (Note 3) 5 8 ns
OE Fall to Output Enable t
ENABLE
Figure 5 10 ns
OE Rise to Output Disable t
DISABLE
Figure 5 1.5 ns
CLK Pulse Width High t
CH
Figure 6, clock period 16ns
8.3
± 2.5
ns
CLK Pulse Width Low t
CL
Figure 6, clock period 16ns
8.3
± 2.5
ns
Wake-Up Time t
WAKE
(Note 4) 1.5 µs
Note 1: SNR, SINAD, THD, SFDR, and HD3 are based on an analog input voltage of -0.5dBFS referenced to a +1.024V full-scale
input voltage range.
Note 2: Intermodulation distortion is the total power of the intermodulation products relative to the individual carrier. This number is
6dB better, if referenced to the two-tone envelope.
Note 3: Digital outputs settle to V
IH
, V
IL
.
Note 4: With R
EFIN
driven externally, REFP, COM, and REFN are left floating while powered down.
MAX1446
10-Bit, 60Msps, +3.0V, Low-Power
ADC with Internal Reference
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +3.0V, OV
DD
= +2.7V; 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND; V
REFIN
= +2.048V, REFOUT con-
nected to REFIN through a 10kΩ resistor, V
IN
= 2Vp-p (differential with respect to COM), C
L
≈ 10pF at digital outputs, f
CLK
=
62.5MHz (50% duty cycle), T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
(10 páginas)
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comentários a estes Manuais