Linear Technology LTC1418CG, LOW POWER 14-BIT ADC SERIAL/PARALLEL INTERFACE DC178A DC178A Data Sheet
Product codes
DC178A
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
U
U
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
k
Ω
(Note 5)
DIGITAL I PUTS A
N
D OUTPUTS
U
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
µ
A
C
IN
Digital Input Capacitance
1.4
pF
V
OH
High Level Output Voltage
V
DD
= 4.75V, I
O
= – 10
µ
A
4.74
V
V
DD
= 4.75V, I
O
= – 200
µ
A
●
4.0
V
V
OL
Low Level Output Voltage
V
DD
= 4.75V, I
O
= 160
µ
A
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
µ
A
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
µ
A
Sleep Mode
SHDN = 0V, CS = 5V (Note 12)
2
µ
A
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
µ
A
Sleep Mode
SHDN = 0V, CS = 5V (Note 12)
0.1
µ
A
P
DIS
Power Dissipation
Unipolar
●
15.0
21.5
mW
Bipolar
●
26.5
31.5
mW
(Note 5)
POWER REQUIRE E TS
W
U