LTC1419_1 Datasheet, PDF (2/20 Pages) Linear Technology – 14-Bit, 800ksps Sampling A/D Converter with Shutdown

LTC1419
ABSOLUTE AXI U RATI GS
AV_DD = V_DD = DV_DD (Notes 1, 2)
Supply Voltage (V_DD) ................................................ 6V
Negative Supply Voltage (V_SS) ............................... – 6V
Total Supply Voltage (V_DD to V_SS) .......................... 12V
Analog Input Voltage
(Note 3).............................(V_SS – 0.3V) to (V_DD + 0.3V)
Digital Input Voltage (Note 4) ......... (V_SS – 0.3V) to 10V
Digital Output Voltage ........ (V_SS – 0.3V) to (V_DD + 0.3V)
Power Dissipation ............................................. 500mW
Operating Temperature Range
LTC1419C .............................................. 0°C to 70°C
LTC1419I ........................................... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
+A_IN 1
–A_IN 2
V_REF 3
REFCOMP 4
AGND 5
D13(MSB) 6
D12 7
D11 8
D10 9
D9 10
D8 11
D7 12
D6 13
DGND 14
TOP VIEW
28 AV_DD
27 DV_DD
26 V_SS
25 BUSY
24 CS
23 CONVST
22 RD
21 SHDN
20 D0
19 D1
18 D2
17 D3
16 D4
15 D5
G PACKAGE
28-LEAD PLASTIC SSOP
SW PACKAGE
28-LEAD PLASTIC SO
T_JMAX = 125°C, θ_JA = 95°C/W (G)
T_JMAX = 125°C, θ_JA = 130°C/W (SW)
ORDER
PART NUMBER
LTC1419ACG
LTC1419ACSW
LTC1419AIG
LTC1419AISW
LTC1419CG
LTC1419CSW
LTC1419IG
LTC1419ISW
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult factory for Military grade parts.
CO VERTER CHARACTERISTICS _{The ● denotes specifications which apply over the full operating}
temperature range, otherwise specifications are at T_A = 25°C. With Internal Reference (Notes 5, 6)
PARAMETER
CONDITIONS
LTC1419
MIN TYP MAX
LTC1419A
MIN TYP MAX
Resolution (No Missing Codes)
●
13
14
Integral Linearity Error
(Note 7)
●
± 0.8
±2
±0.6 ±1.25
Differential Linearity Error
●
±0.7 ±1.5
±0.5 ±1
Offset Error
(Note 8)
●
±5
±20
±5 ±20
Full-Scale Error
Internal Reference
External Reference = 2.5V
±10 ±60
±5
±10 ±60
±5
Full-Scale Tempco
I_OUT(REF) = 0
± 15
±15
UNITS
Bits
LSB
LSB
LSB
LSB
LSB
ppm/°C
A ALOG I PUT The ● denotes specifications which apply over the full operating temperature range, otherwise
specifications are at T_A = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
V_IN
Analog Input Range (Note 9)
I_IN
Analog Input Leakage Current
C_IN
Analog Input Capacitance
4.75V ≤ V_DD ≤ 5.25V, –5.25 ≤ V_SS ≤ – 4.75V ●
CS = High
●
Between Conversions
During Conversions
±2.5
±1
15
5
t_ACQ
Sample-and-Hold Acquisition Time
t_AP
Sample-and-Hold Aperture Delay Time
●
90
300
–1.5
t _jitter
Sample-and-Hold Aperture Delay Time Jitter
2
CMRR Analog Input Common Mode Rejection Ratio
– 2.5V < (– A_IN = A_IN) < 2.5V
60
2
UNITS
V
µA
pF
pF
ns
ns
ps_RMS
dB
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