TSA1401 Datasheet PDF - ST Microelectronics
| Part Number | TSA1401 | |
| Description | A/D CONVERTER | |
| Manufacturers | ST Microelectronics | |
| Logo |  |
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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
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ELECTRICAL CHARACTERISTICS
TSA1401
Dynamic Characteristics
Symbol
Parameter
Test conditions
SFDR1
SNR1
THD1
SINAD1
ENOB1
Spurious Free Dynamic Range Fin=10MHz, VREFP=1V
Fin=10MHz, VREFP=1.24V (TS431)
Fin=10MHz, internal references
Signal to Noise Ratio
Fin=10MHz, VREFP=1V
Fin=10MHz, VREFP=1.24V (TS431)
Fin=10MHz, internal references
Total Harmonic Distortion
Fin=10MHz, VREFP=1V
Fin=10MHz, VREFP=1.24V (TS431)
Fin=10MHz, internal references
Signal to Noise and Distortion
Ratio
Fin=10MHz, VREFP=1V
Fin=10MHz, VREFP=1.24V (TS431)
Fin=10MHz, internal references
Effective Number of Bits
Fin=10MHz, VREFP=1V
Fin=10MHz, VREFP=1.24V (TS431)
Fin=10MHz, internal references
1) Typical values have been measured using the evaluation board on a dedicated test bench.
Min Typ Max Unit
-89 -74
-91.5
dBFS
-91
68 71.5
73.1
70
dBc
-85
-85.9
-86
-71
dBc
66 71
72.85
69.9
dBc
10.9
11.7
12
11.5
bits
Accuracy
Symbol
Parameter
OE
GE
DNL
INL
-
Offset Error
Gain Error
Differential Non Linearity
Integral Non Linearity
Monotonicity and no missing codes
Min Typ Max Unit
-3
0.04
±0.8
±2
Guaranteed
LSB
%
LSB
LSB
Analog Inputs
Symbol
Parameter
Test conditions
Min Typ Max Unit
VIN-VINB
Cin
Zin
BW
Analog Input Voltage, Differential
Analog Input capacitance
Analog Input impedance
Fs=20MHz
Analog Input Bandwidth (-3dB)
Full power, VIN-VINB=2.0Vpp,
Fs=20MHz
2
4.0
3.3
1000
Vpp
pF
kΩ
MHz
Internal Reference Voltage
Symbol
Parameter
REFP
REFM
INCM
Top internal reference voltage
Bottom internal reference voltage
Internal common mode voltage
Test conditions
Min Typ Max Unit
0.75
0.4
0.84
0
0.44
0.9
0.5
V
V
V
5/19
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TSA1401 electronic component. |
| Information | Total 19 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ TSA1401.PDF Datasheet ] | |
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