参数资料
型号: TSA1204IFT-E
厂商: STMICROELECTRONICS
元件分类: ADC
英文描述: 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
封装: 7 X 7 MM, PLASTIC, TQFP-48
文件页数: 30/31页
文件大小: 435K
代理商: TSA1204IFT-E
Electrical characteristics
TSA1204
8/31
7
Electrical characteristics
Electrical characteristics are measured at AVCC = DVCC = VCCB = 2.5 V, FS= 20 Msps,
Fin=2 MHz, Vin@ -1 dBFS, VREFP=1.0 V, VREFM=0 V, and Tamb = 25° C (unless otherwise
specified).
Table 6.
Analog inputs
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
VIN-VINB
Full scale reference
voltage
Differential inputs mandatory
1.1
2.0
2.8
Vpp
Cin
Input capacitance
7.0
pF
Req
Equivalent input resistor
3
K
Ω
BW
Analog input bandwidth
Vin@full scale, FS=20 Msps
1000
MHz
ERB
Effective resolution
bandwidth
70
MHz
Table 7.
Digital inputs and outputs
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Clock and select inputs
VIL
Logic "0" voltage
0
0.8
V
VIH
Logic "1" voltage
2.0
2.5
V
OEB input
VIL
Logic "0" voltage
0
0.25 x
VCCBE
V
VIH
Logic "1" voltage
0.75 x
VCCBE
V
Digital outputs
VOL
Logic "0" voltage
IOL=10 A
0
0.1 x
VCCBE
V
VOH
Logic "1" voltage
IOH=10 A
0.9 x
VCCBE
V
IOZ
High impedance leakage
current
OEB set to VIH
-1.7
1.7
A
CL
Output load capacitance
15
pF
Table 8.
Reference voltage
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
VREFPI
VREFPQ
Top internal reference
voltage
0.807
0.89
0.963
V
VINCMI
VINCMQ
Input common mode
voltage
0.40
0.46
0.52
V
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