Datasheet
3
LTC1418
(Note 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio 97.5kHz Input Signal ● 79 81.5 dB
THD Total Harmonic Distortion 100kHz Input Signal, First 5 Harmonics ● –94 –86 dB
SFDR Spurious Free Dynamic Range 100kHz Input Signal ● 86 95 dB
IMD Intermodulation Distortion f
IN1
= 97.7kHz, f
IN2
= 104.2kHz –90 dB
Full Power Bandwidth 5 MHz
Full Linear Bandwidth S/(N + D) ≥ 77dB 0.5 MHz
ACCURACY
IC
DY
U
W
A
(Note 5)
I TER AL REFERE CE CHARACTERISTICS
U
UU
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
REF
Output Voltage I
OUT
= 0 2.480 2.500 2.520 V
V
REF
Output Tempco I
OUT
= 0, Commercial ● ±10 ±45 ppm/°C
I
OUT
= 0, Industrial ±20 ppm/°C
V
REF
Line Regulation 4.75V ≤ V
DD
≤ 5.25V 0.05 LSB/V
–5.25V ≤ V
SS
≤ –4.75V 0.05 LSB/V
V
REF
Output Resistance 0.1mA ≤ I
OUT
≤ 0.1mA 8 kΩ
(Note 5)
DIGITAL I PUTS AND OUTPUTS
UU
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage V
DD
= 5.25V ● 2.4 V
V
IL
Low Level Input Voltage V
DD
= 4.75V ● 0.8 V
I
IN
Digital Input Current V
IN
= 0V to V
DD
● ±10 µA
C
IN
Digital Input Capacitance 1.4 pF
V
OH
High Level Output Voltage V
DD
= 4.75V, I
O
= –10µA 4.74 V
V
DD
= 4.75V, I
O
= –200µA ● 4.0 V
V
OL
Low Level Output Voltage V
DD
= 4.75V, I
O
= 160µA 0.05 V
V
DD
= 4.75V, I
O
= 1.6mA ● 0.10 0.4 V
I
OZ
Hi-Z Output Leakage D13 to D0 V
OUT
= 0V to V
DD
, CS High ● ±10 µA
C
OZ
Hi-Z Output Capacitance D13 to D0 CS High (Note 9) ● 15 pF
I
SOURCE
Output Source Current V
OUT
= 0V –10 mA
I
SINK
Output Sink Current V
OUT
= V
DD
10 mA
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
DD
Positive Supply Voltage (Notes 10, 11) 4.75 5.25 V
V
SS
Negative Supply Voltage (Note 10) Bipolar Only (V
SS
= 0V for Unipolar) –4.75 –5.25 V
I
DD
Positive Supply Current Unipolar, RD High (Note 5) ● 3.0 4.3 mA
Bipolar, RD High (Note 5)
● 3.9 4.5 mA
Nap Mode SHDN = 0V, CS = 0V (Note 12) 570 µA
Sleep Mode SHDN = 0V, CS = 5V (Note 12) 2 µA
I
SS
Negative Supply Current Bipolar, RD High (Note 5) ● 1.4 1.8 mA
Nap Mode SHDN = 0V, CS = 0V (Note 12) 0.1 µA
Sleep Mode SHDN = 0V, CS = 5V (Note 12) 0.1 µA
P
DIS
Power Dissipation Unipolar ● 15.0 21.5 mW
Bipolar ● 26.5 31.5 mW
(Note 5)
POWER REQUIRE E TS
W
U