TSA1401 반도체 회로 부품 판매점
A/D CONVERTER
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 ST Microelectronics |
www.DataSheet4U.com
TSA1401
14-BIT, 20MSPS, 85mW A/D CONVERTER
FEATURES
s OPTIMWATTTM features 1
l Ultra low power consumption: 85mW
20Msps (using external references).
at
l Adjustable consumption versus speed.
s Single supply voltage: 2.5V
s Digital I/O supply voltage: 2.5V/3.3V com-
patible
s -90.5dBc SFDR and 73.1dBc SNR at
Fin=10MHz when using external refer-
ences (VINpp=2.5V)
s Differential analog input-driving
s Built-in reference voltage with external
bias capabilities
s Digital output high impedance mode
1) OPTIMWATT(TM) is a ST deposited trademark for products features allowing
optimization of power efficiency at chip/application level.
DESCRIPTION
The TSA1401 is a 14-bit, 20MHz sampling
frequency Analog to Digital Converter using deep
submicron CMOS technology combining high
performances with very low power
consumption.The TSA1401 is based on a pipeline
structure with digital error correction to provide
excellent static linearity and dynamic
performances.
Typically designed for multi-channel applications
and high-end imaging equipment, where low
consumption is a must, the TSA1401 only
dissipates 85mW at 20Msps when using external
references, 110mW using internal references. Its
power consumption adapts relative to sampling
frequency. Differential signals are applied on the
inputs for optimum performance. The TSA1401
reaches an SFDR of -90.5dBc and an SNR of
73.1dBc at Fin=10MHz when increasing the input
dynamic range to 2.5V by using the voltage
reference, TS431 (1.24V).
A tri-state capability is available on the output
buffers, enabling a Chip Select.The TSA1401 is
available in the industrial temperature range of -
40°C to +85°C and in a small 48-lead TQFP
package.
APPLICATIONS
s High-end infra-red imaging
s X-Ray medical imaging
s High-end CCD cameras
s Scanners and digital copiers
s Test instrumentation
s Wireless communication
ORDER CODES
Part Number
TSA1401IF
TSA1401IFT
EVAL1401/AB
Temperature
Range
-40°C to +85°C
-40°C to +85°C
Package Conditioning Marking
TQFP48
Tray
TQFP48 Tape & Reel
Evaluation board
SA1401
SA1401
PIN CONNECTIONS (top view)
index
corner
48 47 46 45 44 43 42 41 40 39 38 37
IPOL 1
VREFP 2
VREFM 3
AGND 4
VIN 5
AGND 6
VINB 7
AGND 8
INCM 9
AGND 10
AVCC 11
AVCC 12
TSA1401
36 D1
35 D2
34 D3
33 D4
32 D5
31 D6
30 D7
29 D8
28 D9
27 D10
26 D11
25 D12
13 14 15 16 17 18 19 20 21 22 23 24
PACKAGE
7 x 7 mm TQFP48
December 2003
11//1199
TSA1401
ABSOLUTE MAXIMUM RATINGS
1 ABSOLUTE MAXIMUM RATINGS
Symbol
AVCC, DVCC, VCCBI
VCCBE
VIN, VINB, VREFP,
VREFM, VINCM
IDout
Tstg
ESD
Latch-up
Parameter
Analog, digital, digital buffer Supply voltage 1
Digital buffer Supply voltage 1
Analog inputs
Digital output current
Storage temperature
Electrical Static Discharge
- HBM: Human Body Model2
- CDM-JEDEC Standard
Class3
Values
-0.3V to 3.3V
0V to 3.6V
-0.3V to AVCC+0.3V
-100mA to 100mA
+150
2000
700
A
Unit
V
V
V
mA
°C
V
1) All voltage values, except differential voltage, are with respect to network ground terminal. The magnitude of input and output voltages must not exceed -0.3V or VCC
2) ElectroStatic Discharge pulse (ESD pulse) simulating a human body discharge of 100 pF through 1.5kΩ
3) ST Microelectronics Corporate procedure number 0018695
OPERATING CONDITIONS
Symbol
Parameter
Test conditions
Min Typ Max Unit
AVCC
DVCC
VCCBI
VCCBE
Analog Supply voltage
Digital Supply voltage
Digital buffer Supply voltage
Digital buffer Supply voltage
2.25
2.25
2.25
2.25
2.5
2.5
2.5
2.5
2.7
2.7
2.7
3.3
V
V
V
V
BLOCK DIAGRAM
+2.5V
VREFP REFMODE
VIN
INCM
VINB
CLK
stage
1
stage
2
stage
n
Timing
Sequencer-phase shifting
Digital data correction
GND
Reference
circuit
Buffers
GNDA
IPOL
VREFM
DFSB
OEB
DR
DO
TO
D13
OR
2/19
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제조업체: ST Microelectronics
( stm )
TSA1401 converter
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[ TSA1401.PDF ]
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