Datasheet

1603f
3
LTC1603
DY A IC ACCURACY
UW
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/N Signal-to-Noise Ratio 5kHz Input Signal ● 87 90 dB
100kHz Input Signal 90 dB
S/(N + D) Signal-to-(Noise + Distortion) Ratio 5kHz Input Signal 90 dB
100kHz Input Signal (Note 10)
● 84 89 dB
THD Total Harmonic Distortion 5kHz Input Signal –100 dB
Up to 5th Harmonic 100kHz Input Signal
● –94 –88 dB
SFDR Spurious Free Dynamic Range 100kHz Input Signal 96 dB
IMD Intermodulation Distortion f
IN1
= 29.37kHz, f
IN2
= 32.446kHz –88 dB
Full Power Bandwidth 5 MHz
Full Linear Bandwidth (S/(N + D) ≥ 84dB 350 kHz
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
REF
Output Voltage I
OUT
= 0 2.475 2.500 2.515 V
V
REF
Output Tempco I
OUT
= 0 ±15 ppm/°C
V
REF
Line Regulation 4.75 ≤ V
DD
≤ 5.25V 0.01 LSB/V
–5.25V ≤ V
SS
≤ –4.75V 0.01 LSB/V
V
REF
Output Resistance 0 ≤ I
OUT
 ≤ 1mA 7.5 kΩ
REFCOMP Output Voltage I
OUT
= 0 4.375 V
I TER AL REFERE CE CHARACTERISTICS
UU U
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
OUT
= –10µA 4.5 V
V
DD
= 4.75V, I
OUT
= –400µA ● 4.0 V
V
OL
Low Level Output Voltage V
DD
= 4.75V, I
OUT
= 160µA 0.05 V
V
DD
= 4.75V, I
OUT
= 1.6mA ● 0.10 0.4 V
I
OZ
Hi-Z Output Leakage D15 to D0 V
OUT
= 0V to V
DD
, CS High ● ±10 µA
C
OZ
Hi-Z Output Capacitance D15 to D0 CS High (Note 11) ● 15 pF
I
SOURCE
Output Source Current V
OUT
= 0V –10 mA
I
SINK
Output Sink Current V
OUT
= V
DD
10 mA
DIGITAL I PUTS A D DIGITAL OUTPUTS
UU
The ● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. (Note 5)
(Note 5)
The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)