LTC2204_15 Datasheet, PDF (5/36 Pages) Linear Technology – 16-Bit, 65Msps/40Msps ADCs

LTC2205/LTC2204
COMMON MODE BIAS CHARACTERISTICS The l denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at T_A = 25°C. (Note 4)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_CM Output Voltage
V_CM Output Tempco
V_CM Line Regulation
V_CM Output Resistance
I_OUT = 0
I_OUT = 0
3.135V ≤ V_DD ≤ 3.465V
1mA ≤ | I_OUT | ≤ 1mA
1.15 1.25 1.35
V
±40
ppm/°C
1
mV/ V
1
Ω
DIGITAL INPUTS AND DIGITAL OUTPUTS The l 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
ENCODE INPUTS (ENC⁺, ENC^–)
V_ID
Differential Input Voltage (Note 7)
V_ICM
Common Mode Input Voltage
Internally Set
Externally Set (Note 7)
l 0.2
V
1.6
V
1.2
3.0
V
R_IN
Input Resistance
C_IN
Input Capacitance
(See Figure 2)
(Note 7)
6
kΩ
3
pF
LOGIC INPUTS (DITH, PGA, SHDN, RAND)
V_IH
V_IL
I_IN
C_IN
LOGIC OUTPUTS
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
V_DD = 3.3V
V_DD = 3.3V
V_IN = 0V to V_DD
(Note 7)
l2
V
l
0.8
V
l
±10
μA
1.5
pF
OV_DD = 3.3V
V_OH
V_OL
High Level Output Voltage
Low Level Output Voltage
V_DD = 3.3V
V_DD = 3.3V
I_O = –10μA
3.299
V
I_O = –200μA l 3.1
3.29
V
I_O = –160μA
I_O = –1.6μA l
0.01
V
0.10
0.4
V
I_SOURCE
I_SINK
OV_DD = 2.5V
V_OH
V_OL
Output Source Current
Output Sink Current
High Level Output Voltage
Low Level Output Voltage
V_OUT = 0V
V_OUT = 3.3V
V_DD = 3.3V
V_DD = 3.3V
I_O = –200μA
I_O = 1.60mA
–50
mA
50
mA
2.49
V
0.1
V
OV_DD = 1.8V
V_OH
High Level Output Voltage
V_DD = 3.3V
I_O = –200μA
1.79
V
V_OL
Low Level Output Voltage
V_DD = 3.3V
I_O = 1.60mA
0.1
V
POWER REQUIREMENTS The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T_A = 25°C.
SYMBOL PARAMETER
CONDITIONS
LTC2204
LTC2205
MIN TYP MAX MIN TYP MAX UNITS
V_DD
Analog Supply Voltage
3.135 3.3 3.465 3.315 3.3 3.465
V
P_SHDN Shutdown Power
SHDN = V_DD
0.2
0.2
mW
OV_DD Output Supply Voltage
l 0.5V
3.6 0.5V 3.3 3.6
V
I_VDD
Analog Supply Current
l
145 200
185 235
mA
P_DIS
Power Dissipation
l
480 660
610 776
mW
22054fc
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