LTC1405IGN Linear Technology, LTC1405IGN Datasheet - Page 7

• Manufacturer Part Number: LTC1405IGN
• Description: IC ADC 12BIT 5MSPS SAMPLE 28SSOP
• Manufacturer: Linear Technology

Specifications of LTC1405IGN

• Number Of Bits: 12
• Sampling Rate (per Second): 5M
• Data Interface: Parallel
• Number Of Converters: 1
• Power Dissipation (max): 145mW
• Voltage Supply Source: Dual ±
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP (0.150", 3.95mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

+ A
– A
V
mon mode for single supply operation. Bypass to GND
with a 1µF to 10µF ceramic.
SENSE (Pin 4): Reference Programming Pin. Ground
selects V
SENSE to V
V
10µF ceramic.
GND (Pin 6): DAC Reference Ground.
V
to 10µF ceramic.
GND (Pin 8): Analog Power Ground.
D11 to D0 (Pins 9 to 20): Data Outputs. The output format
is two’s complement.
PI FU CTIO S
CM
REF
DD
IN
IN
U
(Pin 7): Analog 5V Supply. Bypass to GND with a 1µF
(Pin 3): 2.5V Reference Output.Optional input com-
(Pin 5): DAC Reference. Bypass to GND with a 1µF to
(Pin 1): Positive Analog Input.
(Pin 2): Negative Analog Input.
REF
U
DD
= 4.096V. Short to V
to drive V
U
REF
with an external reference.
REF
for 2.048V. Connect
OGND (Pin 21): Output Logic Ground. Tie to GND.
OV
Connect to Pin 23 for 5V logic. If not shorted to Pin 23,
bypass to GND with a 1µF ceramic.
V
ceramic.
GND (Pin 24): Analog Power Ground.
V
not shorted to GND, bypass to GND with a 1µF ceramic.
CLK (Pin 26): Conversion Start Signal. This active high
signal starts a conversion on its rising edge.
OF (Pin 27): Overflow Output. This signal is high when the
digital output is 011111111111 or 100000000000.
GAIN (Pin 28): Gain Select for Input PGA. 5V selects an
input gain of 1, 0V selects a gain of 2.
DD
SS
DD
(Pin 25): Negative Supply. Can be – 5V or 0V. If V
(Pin 23): Analog 5V Supply. Bypass to GND with a 1µF
(Pin 22): Positive Supply for the Output Logic.
LTC1405
SS
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