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LTC1276 Datasheet(PDF) 3 Page - Linear Technology

Part No. LTC1276
Description  12-Bit, 300ksps Sampling A/D Converters with Reference
Download  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1276 Datasheet(HTML) 3 Page - Linear Technology

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LTC1273
LTC1275/LTC1276
127356fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio
50kHz/150kHz Input Signal
72/70
dB
THD
Total Harmonic Distortion
50kHz/150kHz Input Signal
– 83/– 74
dB
Up to 5th Harmonic
Peak Harmonic or Spurious Noise
50kHz/150kHz Input Signal
– 85/– 76
dB
IMD
Intermodulation Distortion
fIN1 = 29.37kHz, fIN2 = 32.446kHz
– 80
dB
Full Power Bandwidth
4.5
MHz
Full Linear Bandwidth (S/(N + D)
≥ 68dB)
200
kHz
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (Note 9)
4.95V
≤ VDD ≤ 5.25V (LTC1273)
0 to 5
V
4.75V
≤ VDD ≤ 5.25V, –5.25V ≤ VSS ≤ –2.45V (LTC1275)
±2.5
V
4.95V
≤ VDD ≤ 5.25V, –5.25V ≤ VSS ≤ –4.95V (LTC1276)
±5V
IIN
Analog Input Leakage Current
CS = High
±1
µA
CIN
Analog Input Capacitance
Between Conversions (Sample Mode)
50
pF
During Conversions (Hold Mode)
5
pF
tACQ
Sample-and-Hold
Commercial
600
ns
Acquisition Time
Military
1000
ns
(Note 5)
ACCURACY
IC
DY A
LTC1273A/LTC1275A/LTC1276A
LTC1273B/LTC1275B/LTC1276B
PUT
I
A
A
LOG
LTC1273A/LTC1275A/LTC1276A
LTC1273B/LTC1275B/LTC1276B
The
denotes the specifications which apply over the full operating
temperature range, otherwise specfications are at TA = 25°C. With Internal Reference (Notes 5 and 6)
CC
HARA TERISTICS
CO VERTER
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
12
12
Bits
Integral Linearity Error
(Note 7)
±1/2
±1LSB
Commercial
±1/2
±1LSB
Military
±3/4
±1LSB
Differential Linearity Error
Commercial
±3/4
±1LSB
Military
±1
±1LSB
Offset Error
(Note 8)
±3
±4LSB
±4
±6LSB
Gain Error
±10
±15
LSB
Gain Error Tempco
IOUT(REFERENCE) = 0
±5
±35
±10
±45
ppm/
°C
LTC1273A/LTC1275A/LTC1276A
LTC1273B/LTC1275B/LTC1276B
The
denotes the specifications which apply over the full operating temperature range, otherwise
specfications are at TA = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.400
2.420
2.440
2.400
2.420
2.440
V
VREF Output Tempco
IOUT = 0
±5
±25
±10
±45
ppm/
°C
VREF Line Regulation
4.95V
≤ VDD ≤ 5.25V
0.01
0.01
LSB/V
– 5.25V
≤ VSS ≤ –4.95V
0.01
0.01
LSB/V
VREF Load Regulation
0V
|IOUT| ≤ 1mA
2
2
LSB/mA
LTC1273B/LTC1275B/LTC1276B
LTC1273A/LTC1275A/LTC1276A
The
denotes the specifications which apply over the
full operating temperature range, otherwise specfications are at TA = 25°C. (Note 5)
I TER AL REFERE CE CHARACTERISTICS


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