LTC2242IUP-12 Linear Technology, LTC2242IUP-12 Datasheet - Page 6

• Manufacturer Part Number: LTC2242IUP-12
• Description: IC,A/D CONVERTER,SINGLE,12-BIT,CMOS,LLCC,64PIN
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
LTC2242-12
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All voltage values are with respect to ground with GND and OGND
wired together (unless otherwise noted).
Note 3: When these pin voltages are taken below GND or above V
will be clamped by internal diodes. This product can handle input currents
of greater than 100mA below GND or above V
Note 4: V
ENC
drive, unless otherwise noted.
Note 5: Integral nonlinearity is defi ned as the deviation of a code from
a “best straight line” fi t to the transfer curve. The deviation is measured
from the center of the quantization band.
TYPICAL PERFORMANCE CHARACTERISTICS
6
–0.5
–1.0
–1.5
–2.0
+
2.0
1.5
1.0
0.5
/ENC
0
0
Integral Nonlinearity
DD
–
= 2V
= 2.5V, f
P-P
1024
sine wave, input range = 2V
SAMPLE
OUTPUT CODE
2048
= 250MHz, LVDS outputs, differential
3072
224212 G01
DD
4096
P-P
without latchup.
with differential
–0.2
–0.4
–0.6
–1.0
–0.8
1.0
0.8
0.6
0.4
0.2
0
Differential Nonlinearity
0
DD
, they
1024
OUTPUT CODE
2048
Note 6: Offset error is the offset voltage measured from –0.5 LSB when
the output code fl ickers between 0000 0000 0000 and 1111 1111 1111 in
2’s complement output mode.
Note 7: Guaranteed by design, not subject to test.
Note 8: Recommended operating conditions.
Note 9: V
sine wave, input range = 1V
Note 10: SNR minimum and typical values are for LVDS mode. Typical
values for CMOS mode are typically 0.3dB lower.
Note 11: SFDR minimum values are for LVDS mode. Typical values are for
both LVDS and CMOS modes.
Note 12: SINAD minimum and typical values are for LVDS mode. Typical
values for CMOS mode are typically 0.3dB lower.
3072
DD
= 2.5V, f
224212 G02
(T
4096
A
SAMPLE
= 25°C unless otherwise noted, Note 4)
P-P
= 250MHz, differential ENC
–100
–110
–60
–70
–10
–20
–30
–40
–50
–80
–90
with differential drive, output C
0
0
8192 Point FFT, f
–1dB, 2V Range, LVDS Mode
20
40
FREQUENCY (MHz)
60
IN
+
= 5MHz,
/ENC
80
–
LOAD
= 2V
100
224212 G03
P-P
= 5pF .
224212fb
120