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STMicroelectronics Electronic Components Datasheet

TSA1201 Datasheet

A/D CONVERTER

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TSA1201
12-BIT, 50MSPS, 150mW A/D CONVERTER
s 0.5Msps to 50Msps sampling frequency
s 40mW @5Msps, 150mW @ 50Msps
s 2.5V supply voltage with 2.5V/3.3V compati-
bility for digital I/O
s Input range: 2Vpp differential
s SFDR up to 77dB @ 50Msps, Fin=15MHz
s ENOB up to10.5 bits @ 50Msps, Fin=15MHz
s Built-in reference voltage with external bias
capability
s Pinout compatibility with TSA0801, TSA1001
and TSA1002
DESCRIPTION
The TSA1201 is a 12-bit, 50MHz maximum
sampling frequency Analog to Digital converter
using a CMOS technology combining high
performances and very low power consumption.
The TSA1201 is based on a pipeline structure and
digital error correction to provide excellent static
linearity and achieve 10.5 effective bits at
Fs=50Msps, and Fin=15MHz, with a global power
consumption of 150mW.
The TSA1201 features adaptative behaviour to
the application. Its architecture allows to sample
from 0.5Msps up to 50Msps, with a programmable
power consumption which makes the application
board even more optimized.
It integrates a proprietary track-and-hold structure
to ensure an high analog bandwidth of 1GHz and
enable IF-sampling.
Several features are available on the device. A
voltage reference is integrated in the circuit.
Differential or single-ended analog inputs can be
applied. The output data can be coded into two
differential formats. A Data Ready signal is raised
as the data is valid on the output and can be used
for synchronization purposes.
The TSA1201 is available in extended (-40°C to
+85°C) temperature range, in small 48 pins TQFP
package.
APPLICATIONS
s High speed data acquisition
s Medical imaging and ultrasound
s Portable instrumentation
s High speed DSP interface
s Digital communication - IF sampling
March 2001
ORDER CODE
Part Number
Temperature
Range
TSA1201IF
TSA1201IFT
EVAL1201/AA
-40°C to +85°C
-40°C to +85°C
Package Conditioning Marking
TQFP48
Tray
TQFP48 Tape & Reel
Evaluation board
SA1201I
SA1201I
PIN CONNECTIONS (top view)
index
corner
IPOL 1
VREFP
VREFM
AGND
2
3
4
VIN 5
AGND
VINB
AGND
6
7
8
INCM 9
AGND 10
AVCC 11
AVCC 12
48 47 46 45 44 43 42 41 40 39 38 37
36 NC
35 D0 (LSB)
34 D1
33 D2
32 D3
31 D4
TSA1201
30 D5
29 D6
28 D7
27 D8
26 D9
25 D10
13 14 15 16 17 18 19 20 21 22 23 24
PACKAGE
7 x 7 mm TQFP48
1/20


STMicroelectronics Electronic Components Datasheet

TSA1201 Datasheet

A/D CONVERTER

No Preview Available !

TSA1201
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Values
Unit
AVCC
DVCC
VCCBI
VCCBE
Tstg
Analog Supply voltage 1)
Digital Supply voltage 1)
Digital buffer Supply voltage 1)
Digital buffer Supply voltage 1)
Storage temperature
Electrical Static Discharge
0 to 3.3
0 to 3.3
0 to 3.3
0 to 3.6
+150
V
V
V
V
°C
ESD
- HBM
2 KV
- CDM-JEDEC Standard
1.5
1. All voltages values, except differential voltage, are with respect to network ground terminal. The magnitude of input and output voltages
must never exceed -0.3V or VCC+0V
OPERATING CONDITIONS
Symbol
Parameter
AVCC Analog Supply voltage
DVCC Digital Supply voltage
VCCBI Internal (quiet) buffer Supply voltage
VCCBE External (noisy) buffer Supply voltage
VREFP Forced top voltage reference
VREFM Bottom internal reference voltage input
Test conditions
Min Typ Max Unit
2.25 2.5
2.7
V
2.25 2.5
2.7
V
2.25 2.5
2.7
V
2.25 2.5
3.5
V
0.8 - AVCC V
0 1V
BLOCK DIAGRAM
+2.5V +2.5V/3.3V
VREFP
VIN
INCM
VINB
CLK
stage
1
stage
2
stage
n
Timing
Sequencer-phase shifting
Digital data correction
GND
Reference
circuit
GNDA
IPOL
VREFM
DFSB
SRC
OEB
Buffers
DR
DO
TO
D11
OR
2/20


Part Number TSA1201
Description A/D CONVERTER
Maker ST Microelectronics
Total Page 20 Pages
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