LTC2246_15 Datasheet, PDF (4/24 Pages) Linear Technology – 14-Bit, 65/40/25Msps Low Power 3V ADCs

LTC2248/LTC2247/LTC2246
UU
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I TER AL REFERE CE CHARACTERISTICS (Note 4)
PARAMETER
V_CM Output Voltage
V_CM Output Tempco
V_CM Line Regulation
V_CM Output Resistance
CONDITIONS
I_OUT = 0
2.7V < V_DD < 3.4V
–1mA < I_OUT < 1mA
MIN
1.475
TYP
1.500
±25
3
4
MAX
1.525
UNITS
V
ppm/°C
mV/V
Ω
DIGITAL I PUTS A D DIGITAL OUTPUTS The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T_A = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
LOGIC INPUTS (CLK, OE, SHDN)
V_IH
V_IL
I_IN
C_IN
LOGIC OUTPUTS
High Level Input Voltage
Low Level Input Voltage
Input Current
Input Capacitance
V_DD = 3V
V_DD = 3V
V_IN = 0V to V_DD
(Note 7)
●2
V
●
0.8
V
● –10
10
µA
3
pF
OV_DD = 3V
C_OZ
I_SOURCE
I_SINK
V_OH
V_OL
OV_DD = 2.5V
V_OH
V_OL
OV_DD = 1.8V
V_OH
V_OL
Hi-Z Output Capacitance
Output Source Current
Output Sink Current
High Level Output Voltage
Low Level Output Voltage
High Level Output Voltage
Low Level Output Voltage
High Level Output Voltage
Low Level Output Voltage
OE = High (Note 7)
V_OUT = 0V
V_OUT = 3V
I_O = –10µA
I_O = –200µA
I_O = 10µA
I_O = 1.6mA
I_O = –200µA
I_O = 1.6mA
I_O = –200µA
I_O = 1.6mA
3
pF
50
mA
50
mA
2.995
V
● 2.7 2.99
V
0.005
V
●
0.09 0.4
V
2.49
V
0.09
V
1.79
V
0.09
V
POWER REQUIRE E TS The ● denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T_A = 25°C. (Note 8)
SYMBOL PARAMETER
CONDITIONS
LTC2248
LTC2247
LTC2246
MIN TYP MAX MIN TYP MAX MIN TYP MAX
UNITS
V_DD
Analog Supply
(Note 9)
Voltage
● 2.7 3 3.4 2.7 3 3.4 2.7 3 3.4
V
OV_DD
Output Supply
Voltage
(Note 9)
● 0.5 3 3.6 0.5 3 3.6 0.5 3 3.6
V
IV_DD
Supply Current
●
P_DISS
Power Dissipation
●
P_SHDN
Shutdown Power SHDN = H,
OE = H, No CLK
68.3 80
205 240
2
40 48
120 144
2
25 30
mA
75 90
mW
2
mW
P_NAP
Nap Mode Power SHDN = H,
OE = L, No CLK
15
15
15
mW
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