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PDF TSA1001 Data sheet ( Hoja de datos )
| Número de pieza | TSA1001 | |
| Descripción | A/D CONVERTER | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TSA1001 (archivo pdf) en la parte inferior de esta página. Total 19 Páginas | ||
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TSA1001
10-BIT, 25MSPS, 35mW A/D CONVERTER
s 10-bit A/D converter in deep submicron
CMOS technology
s Ultra low power consumption: 35mW @
25Msps (10mW @ 5Msps)
s Single supply voltage: 2.5V
s Input range: 2Vpp differential
s 25Msps sampling frequency
s ENOB=9.7 @ Nyquist
s SFDR typically up to 72dB @ Nyquist
s Built-in reference voltage with external bias
capability
s STMicroelectronics 8, 10, 12 and 14-bits ADC
pinout compatibility
DESCRIPTION
The TSA1001 is a 10-bit, 25Msps sampling fre-
quency Analog to Digital converter using a CMOS
technology combining high performances and
very low power consumption.
The TSA1001 is based on a pipeline structure and
digital error correction to provide excellent static
linearity and go beyond 9.8 effective bits at
Fs=25Msps, and Fin=10MHz.
Especially designed for portable applications, the
TSA1001 only dissipates 35mW at 25Msps. When
running at lower sampling frequencies, even lower
consumption can be achieved.
A voltage reference is integrated in the circuit to
simplify the design and minimize external compo-
nents. It is nevertheless possible to use the circuit
with an external reference.
The output data can be coded into two different
formats. A Data Ready signal is raised as the data
is valid on the output and can be used for synchro-
nization purposes.
The TSA1001 is available in commercial (0 to
+70°C) and extended (-40 to +85°C) temperature
range, in a small 48 pins TQFP package.
APPLICATIONS
s Portable instrumentation
s Video processing
s Medical imaging and ultrasound
s High resolution fax and scanners
s Digital communications
ORDER CODE
Part Number
Temperature
Range
TSA1001CF
TSA1001CFT
TSA1001IF
TSA1001IFT
EVAL1001/AA
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
Package Conditioning Marking
TQFP48
Tray
TQFP48 Tape & Reel
TQFP48
Tray
TQFP48 Tape & Reel
Evaluation board
SA1001C
SA1001C
SA1001I
SA1001I
PIN CONNECTIONS (top view)
index
c orner
48 47 46 45 44 43 42 41 40 39 38 37
IPOL
VREFP
VREFM
AGND
VIN
1
2
3
4
5
AGND
VINB
AGND
INCM
6
7
8
9
AGND 10
AVCC 11
AVCC 12
TSA1001
36 NC
35 NC
34 NC
33 D0 (LSB)
32 D1
31 D2
30 D3
29 D4
28 D5
27 D6
26 D7
25 D8
13 14 15 16 17 18 19 20 21 22 23 24
PACKAGE
7 × 7 mm TQFP48
October 2000
1/19
1 page  
TSA1001
CONDITIONS:
AVCC = DVCC = VCCB = 2.5V, Fs= 25Msps, Fin= 1MHz, Vin@ -1.0dBFS, VREFM= 0V
Tamb = 25°C (unless otherwise specified)
ANALOG INPUTS
Symbol
Parameter
Test conditions
VIN-VINB Full scale reference voltage
Cin Input capacitance
BW Analog Input Bandwitdh
ERB Effective Resolution Bandwidth1)
1). See parameters definition for more information
Vin@Full Scale, FS=25Msps
REFERENCE VOLTAGE
Min Typ Max Unit
2.0 Vpp
7. pF
100 MHz
60 MHz
Symbol
Parameter
Test conditions
VREFP Top internal reference voltage
Tmin= -40°C to Tmax= 85°C1)
Vpol Analog bias voltage
Ipol Analog bias current
Ipol Analog bias current
Tmin= -40°C to Tmax= 85°C1)
Normal operating mode
Shutdown mode
VINCM Input common mode voltage
Tmin= -40°C to Tmax= 85°C1)
1). Not fully tested over the temperature range. Guaranted by sampling.
Min Typ Max Unit
0.91 1.03 1.15
V
0.90
1.16 V
1.20 1.27 1.35
V
1.19
1.36 V
25 50 70
0
0.48 0.57 0.65
µA
µA
V
0.48
0.66 V
5/19
5 Page 
Linearity vs. DVcc
Fs=25MSPS; Icca=11mA; Fin=1MHz
61
60.5
60
59.5
59
58.5
58
2.25
SNR
SINAD
ENOB
2.35 2.45 2.55
DVCC (V)
10
9.95
9.9
9.85
9.8
9.75
9.7
2.65
Linearity vs. VccB
Fs=25MSPS; Icca=11mA; Fin=1MHz
61
60.5
60
59.5
59
58.5
58
2.25
SNR
SINAD
ENOB
2.35
2.45
2.55
VCCB (V)
2.65
10
9.95
9.9
9.85
9.8
9.75
9.7
9.65
9.6
Linearity vs. Fs
Icca=11mA; Fin=1MHz
64
62
60
58
56
54
52
50
5
ENOB
10
9.5
SNR
9
8.5
SINAD
8
7.5
15 25 35
Fs (MHz)
7
45
TSA1001
Distortion vs. DVcc
Fs=25MSPS; Icca=11mA; Fin=1MHz
-70
-71
-72
-73
-74
-75
-76
-77
-78
-79
-80
2.25
T HD
SFDR
2.35
2.45
2.55
DVCC (V)
2.65
Distortion vs. VccB
Fs=25MSPS; Icca=11mA; Fin=1MHz
-71
-73
-75
-77
-79
-81
-83
-85
2.25
T HD
SFDR
2.35
2.45
2.55
VCCB (V)
2.65
Distortion vs. Fs
Icca=11mA; Fin=1MHz
-50
-55
-60
-65
-70
-75
-80
-85
5
THD
SFDR
15 25 35
Fs (MHz)
45
11/19
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet TSA1001.PDF ] | |
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