LTC1864LDICE [Linear]
IC 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, UUC8, DICE, Analog to Digital Converter;
| 型号： | LTC1864LDICE |
| 厂家： | 
Linear |
| 描述： | IC 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, UUC8, DICE, Analog to Digital Converter 转换器 |
| 文件： | 总2页 (文件大小：111K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DICE SPECIFICATION
LTC1864L
µPower, 3V, 16-Bit, 150ksps
Differential Input ADC
8
8
7
PAD FUNCTION
DIE CROSS REFERENCE
1
2
1. VREF
2. IN+
LTC Finished
Order DICE CANDIDATE
Part Number Below
Part Number
3. IN–
4. GND
5. CONV
6. SDO
7. SCK
8. VCC
LTC1864L DICE
LTC1864L
3
4
4
6
5
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
59 × 83 mils
W
DICE ELECTRICAL TEST LI ITS
U
U W
Specifications are TA = 25°C.
CONVERTER A D ULTIPLEXER CHARACTERISTICS
VCC = 2.7V, VREF = 2.5V, fSCK = fSCK(MAX) as defined in Recommended Operating Conditions, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
16
MAX
UNITS
Bits
Bits
mV
mV
V
Resolution
No Missing Codes Resolution
Gain Error
14
±20
±5
V
REF
Offset Error
+
–
Input Differential Voltage Range
Absolute Input Range
V
= IN – IN
0
IN
+
IN Input
–0.05
–0.05
V
CC
+ 0.05
CC
V
V
–
IN Input
V
/2
V
Input Range
1
V
CC
V
REF
Analog Input Leakage Current
(Note 1)
±1
µA
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.
1
DICE SPECIFICATION
LTC1864L
U
Specifications are TA = 25°C. VCC = 2.7V,
DIGITAL ANDDCELECTRICALCHARACTERISTICS
VREF = 2.5V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
UNITS
V
V
V
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
High Level Output Voltage
Low Level Output Voltage
Hi-Z Output Leakage
Reference Current
V
V
V
V
V
V
= 3.3V
= 2.7V
1.9
IH
IL
CC
CC
IN
0.45
2.5
V
I
I
= V
µA
µA
V
IH
IL
CC
= 0V
–2.5
IN
V
V
= 2.7V, I = 360µA
= 2.7V, I = 400µA
2.1
OH
OL
CC
CC
O
0.3
V
O
I
I
CONV = V
±3
20
0.1
µA
µA
mA
OZ
CC
CONV = V
REF
CC
f
= f
SMPL
SMPL(MAX)
I
Supply Current
CONV = V After Conversion
10
µA
CC
CC
f
= f
1.0
mA
SMPL
W U
U SMPL(MAX)
U
U
W
Specifications are TA = 25°C.
RECO E DED OPERATI G CO DITIO S
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
3.6
8
UNITS
V
V
Supply Voltage
2.7
CC
f
t
t
t
Clock Frequency
DC
MHz
µs
SCK
µs
SCK
Total Cycle Time
16 • SCK + t
16
CYC
CONV
Analog Input Sampling Time (Note 2)
SMPL
WHCONV
CONV High Time Between Data
Transfer Cycles
t
CONV
t
CONV Low Time During Data Transfer
16
SCK
WLCONV W U
Specifications are TA = 25°C. VCC = 2.7V, VREF = 2.5V, fSCK = fSCK(MAX) as defined
TI I G CHARACTERISTICS
in Recommended Operating Conditions, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
UNITS
µs
kHz
t
t
Conversion Time
4.66
CONV
Maximum Sampling Frequency
150
SMPL(MAX)
Note 1: Channel leakage current is measured while the part is in sample
mode.
Note 2: Assumes f
this time if the SDO data word is not desired.
= f
SCK does not have to be clocked during
SCK
SCK(MAX)
Wafer level testing is performed per the indicated specifications for dice. Considerable differences in performance can often be observed for dice versus
packaged units due to the influences of packaging and assembly on certain devices and/or parameters. Please consult factory for more information on
dice performance and lot qualifications via lot sampling test procedures.
Dice data sheet subject to change. Please consult factory for current revision in production.
I.D.No. 66-13-1864L
LT 1105 PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
2
●
●
© LINEAR TECHNOLOGY CORPORATION 2005
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
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