Datasheet

3
LTC1419
1419fb
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
DD
Positive Supply Voltage (Note 10) 4.75 5.25 V
V
SS
Negative Supply Voltage (Note 10) –4.75 –5.25 V
I
DD
Positive Supply Current ● 11 20 mA
Nap Mode SHDN = 0V, CS = 0V 1.5 mA
Sleep Mode SHDN = 0V, CS = 5V 250 µA
I
SS
Negative Supply Current ● 19 30 mA
Nap Mode SHDN = 0V, CS = 0V 100 µA
Sleep Mode SHDN = 0V, CS = 5V 1 µA
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-(Noise + Distortion) Ratio 100kHz Input Signal ● 78 81.5 dB
390kHz Input Signal 80.0 dB
THD Total Harmonic Distortion 100kHz Input Signal, First 5 Harmonics ● –93 –86 dB
390kHz Input Signal, First 5 Harmonics – 86 dB
SFDR Spurious Free Dynamic Range 100kHz Input Signal ● –95 –86 dB
IMD Intermodulation Distortion f
IN1
= 29.37kHz, f
IN2
= 32.446kHz – 86 dB
Full-Power Bandwidth 20 MHz
Full-Linear Bandwidth S/(N + D) ≥ 77dB 1 MHz
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 ±15 ppm/°C
V
REF
Line Regulation 4.75V ≤ V
DD
≤ 5.25V, –5.25 ≤ V
SS
≤ –4.75V 0.05 LSB/V
V
REF
Output Resistance –0.1mA ≤ ⏐I
OUT
⏐ ≤ 0.1mA 2 kΩ
REFCOMP Output Voltage I
OUT
= 0 4.06 V
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 5pF
V
OH
High Level Output Voltage V
DD
= 4.75V
I
O
= –10µA 4.5 V
I
O
= – 200µA ● 4.0 V
V
OL
Low Level Output Voltage V
DD
= 4.75V
I
O
= 160µA 0.05 V
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
The ● denotes specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. (Note 5)
DY A IC ACCURACY
U
W
(Note 5)
I TER AL REFERE CE CHARACTERISTICS
UU U
The ● denotes specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)
DIGITAL I PUTS A D DIGITAL OUTPUTS
UU
The ● denotes specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. (Note 5)
POWER REQUIRE E TS
WU