Datasheet
LTC2203/LTC2202
5
22032fd
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CM
Output Voltage I
OUT
= 0 1.15 1.25 1.35 V
V
CM
Output Tempco I
OUT
= 0 ±40
ppm/°C
V
CM
Line Regulation 3.135V ≤ V
DD
≤ 3.465V 1 mV/ V
V
CM
Output Resistance 1mA ≤ | I
OUT
| ≤ 1mA 2
Ω
COMMON MODE BIAS CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
LOGIC INPUTS (CLK, OE, DITH, PGA, SHDN, RAND)
V
IH
High Level Input Voltage V
DD
= 3.3V
l
2V
V
IL
Low Level Input Voltage V
DD
= 3.3V
l
0.8 V
I
IN
Digital Input Current V
IN
= 0V to V
DD
l
±10 μA
C
IN
Digital Input Capacitance (Note 7) 1.5 pF
LOGIC OUTPUTS
OV
DD
= 3.3V
V
OH
High Level Output Voltage V
DD
= 3.3V I
O
= –10μA
I
O
= –200μA
l
3.1
3.299
3.29
V
V
V
OL
Low Level Output Voltage V
DD
= 3.3V I
O
= 160μA
I
O
= 1.6mA
l
0.01
0.10 0.4
V
V
I
SOURCE
Output Source Current V
OUT
= 0V –50 mA
I
SINK
Output Sink Current V
OUT
= 3.3V 50 mA
OV
DD
= 2.5V
V
OH
High Level Output Voltage V
DD
= 3.3V I
O
= –200μA 2.49 V
V
OL
Low Level Output Voltage V
DD
= 3.3V I
O
= 1.60mA 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
DIGITAL INPUTS AND DIGITAL OUTPUTS
SYMBOL PARAMETER CONDITIONS MIN
LTC2203
TYP MAX MIN
LTC2202
TYP MAX UNITS
SFDR Spurious Free
Dynamic Range
at –25dBFS
Dither “ON”
1MHz Input (2.5V Range, PGA = 0)
1MHz Input (1.667V Range, PGA = 1)
115
115
115
115
dBFS
dBFS
5MHz Input (2.5V Range, PGA = 0)
5MHz Input (1.667V Range, PGA = 1)
l
100 115
115
100 115
115
dBFS
dBFS
12.5MHz Input (2.5V Range, PGA = 0)
12.5MHz Input (1.667V Range, PGA = 1)
115
115
115
115
dBFS
dBFS
30MHz Input (2.5V Range, PGA = 0)
30MHz Input (1.667V Range, PGA = 1)
115
115
115
115
dBFS
dBFS
70MHz Input (2.5V Range, PGA = 0)
70MHz Input (1.667V Range, PGA = 1)
110
110
110
110
dBFS
dBFS
DYNAMIC ACCURACY
The l denotes the specifi cations which apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C. A
IN
= –1dBFS. (Note 4)
The l denotes the specifi cations which apply over
the full operating temperature range, otherwise specifi cations are at T
A
= 25°C. (Note 4)
The l denotes the specifi cations which apply over the
full operating temperature range, otherwise specifi cations are at T
A
= 25°C. (Note 4)