
3
LTC1419
1419fb
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD
Positive Supply Voltage
(Note 10)
4.75
5.25
V
VSS
Negative Supply Voltage
(Note 10)
– 4.75
– 5.25
V
IDD
Positive Supply Current
●
11
20
mA
Nap Mode
SHDN = 0V, CS = 0V
1.5
mA
Sleep Mode
SHDN = 0V, CS = 5V
250
A
ISS
Negative Supply Current
●
19
30
mA
Nap Mode
SHDN = 0V, CS = 0V
100
A
Sleep Mode
SHDN = 0V, CS = 5V
1
A
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
fIN1 = 29.37kHz, fIN2 = 32.446kHz
– 86
dB
Full-Power Bandwidth
20
MHz
Full-Linear Bandwidth
S/(N + D)
≥ 77dB
1
MHz
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.480
2.500
2.520
V
VREF Output Tempco
IOUT = 0
±15
ppm/
°C
VREF Line Regulation
4.75V
≤ VDD ≤ 5.25V, –5.25 ≤ VSS ≤ –4.75V
0.05
LSB/V
VREF Output Resistance
– 0.1mA
≤ IOUT ≤ 0.1mA
2
k
REFCOMP Output Voltage
IOUT = 0
4.06
V
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
●
2.4
V
VIL
Low Level Input Voltage
VDD = 4.75V
●
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
●
±10
A
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage
VDD = 4.75V
IO = – 10A
4.5
V
IO = – 200A
●
4.0
V
VOL
Low Level Output Voltage
VDD = 4.75V
IO = 160A
0.05
V
IO = 1.6mA
●
0.10
0.4
V
IOZ
Hi-Z Output Leakage D13 to D0
VOUT = 0V to VDD, CS High
●
±10
A
COZ
Hi-Z Output Capacitance D13 to D0
CS High (Note 9 )
●
15
pF
ISOURCE
Output Source Current
VOUT = 0V
– 10
mA
ISINK
Output Sink Current
VOUT = VDD
10
mA
The
● denotes specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 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 TA = 25°C. (Note 5)
DIGITAL I PUTS A D DIGITAL OUTPUTS
U
The
● denotes specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. (Note 5)
POWER REQUIRE E TS
W
U