
LTC1400
3
1400fa
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
●
12
Bits
Integral Linearity Error
(Note 9)
●
±1
LSB
Differential Linearity Error
●
±1
LSB
Offset Error
(Note 10)
●
±6
±8
LSB
Full-Scale Error
±15
LSB
Full-Scale Tempco
IOUT(REF) = 0
●
±10
±45
ppm/°C
CO VERTER CHARACTERISTICS
U
The ● denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C unless otherwise noted. With internal reference (Notes 5, 8)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.400
2.420
2.440
V
VREF Output Tempco
IOUT = 0
●
±10
±45
ppm/°C
VREF Load Regulation
4.75V ≤ VCC ≤ 5.25V
–5.25V ≤ VSS ≤ 0V
0.01
LSB/V
VREF Load Regulation
0 ≤ |IOUT| ≤ 1mA
2
LSB/mA
VREF Wake-Up Time from Sleep Mode (Note 7) CVREF = 10μF
4
ms
I TER AL REFERE CE CHARACTERISTICS
U
The ● denotes the specications which apply over the
full operating temperature range, otherwise specications are at TA = 25°C unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D)
Signal-to-Noise
Plus Distortion Ratio
100kHz Input Signal
Commercial
Industrial
●
70
69
72
dB
200kHz Input Signal
72
dB
THD
Total Harmonic Distortion
Up to 5th Harmonic
100kHz Input Signal
200kHz Input Signal
●
–82
–80
–76
dB
Peak Harmonic or
Spurious Noise
100kHz Input Signal
200kHz Input Signal
●
–84
–82
–76
dB
IMD
Intermodulation Distortion
fIN1 = 99.51kHz, fIN2 = 102.44kHz
fIN1 = 199.12kHz, fIN2 = 202.05kHz
–82
–70
dB
Full Power Bandwidth
4
MHz
Full Linear Bandwidth (S/(N + D) ≥ 68dB)
900
kHz
DY A IC ACCURACY
U
W
The ● denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. VCC = 5V, VSS = –5V, fSAMPLE = 400kHz unless otherwise noted. (Note 5)
DIGITAL I PUTS A D DIGITAL OUTPUTS
U
The ● denotes the specications which apply over the
full operating temperature range, otherwise specications are at TA = 25°C unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VCC = 5.25V
●
2.0
V
VIL
Low Level Input Voltage
VCC = 4.75V
●
0.8
V
IIN
Digital Input Current
VIN = 0V to VCC
●
±10
μA
CIN
Digital Input Capacitance
5
pF
VOH
High Level Output Voltage
VCC = 4.75V, IO = –10μA
VCC = 4.75V, IO = –200μA
●
4.0
4.7
V