LTC1274 Linear Technology, LTC1274 Datasheet - Page 3

• Manufacturer Part Number: LTC1274
• Description: 12-Bit/ 10mW/ 100ksps ADCs with 1uA Shutdown
• Manufacturer: Linear Technology

I TER AL REFERE CE CHARACTERISTICS
DY
A
DIGITAL I PUTS A D DIGITAL OUTPUTS
SYMBOL PARAMETER
S/(N + D) Signal-to-Noise
THD
IMD
PARAMETER
V
V
V
V
SYMBOL PARAMETER
V
I
C
SYMBOL PARAMETER
V
V
I
C
V
V
U
IN
IN
REF
REF
REF
REF
IN
IN
IH
IL
IN
OH
OL
U
Output Voltage
Output Tempco
Line Regulation
Load Regulation
U W
A
A
LOG
Plus Distortion Ratio
Total Harmonic Distortion
Up to 5th Harmonic
Peak Harmonic or
Spurious Noise
Intermodulation Distortion
Full Power Bandwidth
Full Linear Bandwidth
[S/(N + D) 68dB]
Analog Input Range (Note 10)
Analog Input Leakage Current
Analog Input Capacitance
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
High Level Output Voltage, All Logic Outputs
Low Level Output Voltage,
All Logic Outputs
U
IC
U
I
ACCURACY
U
PUT
(Note 5)
U
U
(Notes 5, 9)
CONDITIONS
I
I
4.75V V
– 5.25V V
– 5mA I
CONDITIONS
4.75V V
CS = High
During Conversions (Hold Mode)
CONDITIONS
50kHz Input Signal
100kHz Input Signal
50kHz Input Signal
100kHz Input Signal
50kHz Input Signal
100kHz Input Signal
fa = 96.95kHz, fb = 97.68kHz
4.75V V
Between Conversions (Sample Mode)
OUT
OUT
= 0
= 0
OUT
DD
DD
DD
SS
CONDITIONS
V
V
V
V
V
V
V
5.25V (Unipolar)
5.25V, – 5.25V V
5.25V
70 A
DD
DD
IN
DD
LOGIC
DD
LOGIC
– 4.75V
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
= 0V to V
= 5.25V
= 4.75V
= 4.75V
= – 10 A
= – 200 A
= – 10 A
= – 200 A
= 4.75V
= 160 A
= 1.6mA
= 160 A
= 1.6mA
= 2.7V (LTC1277)
=2.7V (LTC1277)
DD
SS
2nd Order Terms
3rd Order Terms
– 2.45V (Bipolar)
(Note 5)
(Note 5)
LTC1274/LTC1277
2.400
MIN
MIN
MIN
MIN
2.4
4.0
70
0 to 4.096
2.420
72.5
0.01
0.01
TYP
– 84
– 82
– 84
– 82
– 78
– 81
TYP
4.70
2.65
2.60
0.05
0.10
0.05
0.10
TYP
2.048
350
TYP
45
73
2
2
5
10
5
2.440
MAX
MAX
MAX
MAX
– 76
– 76
0.8
0.4
45
10
1
LSB/mA
ppm/ C
UNITS
UNITS
UNITS
LSB/V
LSB/V
UNITS
3
MHz
kHz
dB
dB
dB
dB
dB
dB
dB
dB
pF
pF
pF
V
V
V
A
V
V
A
V
V
V
V
V
V
V
V