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E-STLC7550TQF7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
Obsolete Product(s) - Obsolete Product(s)
Electrical Specifications STLC7550
16/24 Rev 9
3 Electrical Specifications
Unless otherwise noted, Electrical Characteristics are specified over the operating range.
Typical values are given for V
DD
= 3V, T
amb
= 25°C and for nominal Master clock frequency
MCLK = 1.536MHz and oversampling ratio = 160.
3.1 Absolute maximum ratings
3.2 Nominal DC Characteristics
Table 12. Absolute Maximum Ratings (referenced to GND)
Symbol Parameter Value Unit
V
DD
DC Supply Voltage -0.3, 7.0 V
V
I
,V
IN
Digital or Analog Input Voltage -0.3, V
DD
+0.3 V
I
I
,I
IN
Digital or Analog Input Current ±1 mA
I
O
Digital Output Current ±20 mA
I
OUT
Analog Output Current ±10 mA
T
oper
Operating Temperature 0, 70 °C
T
stg
Storage Temperature -40, 125 °C
P
DMAX
Maximum Power Dissipation 200 mW
ESD Electrostatic Discharge 2000 V
Table 13. Nominal DC Characteristics
(V
DD
= 3V ± 5%, GND = 0V, T
A
= 0 to 70°C unless otherwise specified)
Symbol Parameter Min. Typ. Max. Unit
V
DD
Supply Voltage Range 2.70 3 5.5 V
POWER SUPPLY AND COMMON MODE VOLTAGE
SINGLE POWER SUPPLY (DV
DD
= AV
DD
)
I
DDA
Analog Supply Current 6 mA
I
DDD
Digital Supply Current 4 mA
I
DD
-LP
Supply Current in Low Power Mode
MCLK Stopped
MCLK Running
1
200
10 µA
V
CM
Output Common Mode Voltage V
CM
Output
Voltage Load Current (see Note 1)
V
DD
/2-5% V
DD
/2 V
DD
/2+5% V
DIGITAL INTERFACE
V
IL
Low Level Input Voltage -0.3 0.5 V
V
IH
High Level Input Voltage DV
DD
-0.5 V
Obsolete Product(s) - Obsolete Product(s)
STLC7550 Electrical Specifications
Rev 9 17/24
Note: 1 Device is very sensitive to noise on V
CM
Pin. V
CM
output voltage load current must be DC
(<10µA). in order to drive dynamic load, V
CM
must be buffered. AC variation in VCM current
magnitude decrease A/D and D/A performance.
3.3 Nominal AC Electrical Characteristics
I
I
Input Current V
I
= V
DD
or V
I
= GND -10 ±1 10 µA
V
OH
High Level Output Voltage (I
LOAD
= -600µA) DV
DD
-0.5 V
V
OL
Low Level Output Voltage (I
LOAD
= 800µA) 0.3 V
ANALOG INTERFACE
V
REF
Differential Reference Voltage Output
V
REF
= (V
REFP
- V
REFN
)
1.15 1.25 1.35 V
T
coeff
(V
REF
)V
REF
Temperature Coefficient 200 ppm/°C
V
CMO IN
Input Common Mode Offset Voltage
V
CMO IN
= [(IN+)+(IN-)]/2 -V
CM
-100 100 mV
V
DIF IN
Differential Input Voltage : [(IN+)-(IN-)] ≤ 2 x V
REF
2 x V
REF
Vpp
V
OFF IN
Differential Input DC Offset Voltage -100 100 mV
V
CMO OUT
Output Common Mode Voltage Offset :
(OUT+ + OUT-)/2 - V
CM
(see Note 1)
-20 20 mV
V
DIF OUT
Differential Output Voltage :
OUT+ - OUT- ≤ 2 x V
REF
2 x V
REF
V
V
OFF OUT
Differential Output DC Offset Voltage :
(OUT+ -OUT-) (0000x)
-100 100 mV
R
IN
Input Resistance IN+, IN- (id. AUX IN) 100 kΩ
R
OUT
Output Resistance (OUT+, OUT-) 50 W
R
L
Load Resistance (OUT+, OUT-) 10 kΩ
C
L
Load Capacitance (OUT+, OUT-) 20 pF
V
ADO OUT
Output A/D Modulator Voltage Offset:
IN+ = IN- = V
CM
-1000 +1000 LSB
Table 13. Nominal DC Characteristics (continued)
(V
DD
= 3V ± 5%, GND = 0V, T
A
= 0 to 70°C unless otherwise specified)
Symbol Parameter Min. Typ. Max. Unit
Table 14. Nominal AC Electrical Characteristics
(Reference level V
IL
= 0.5V, V
IH
= DV
DD
- 0.5V, V
OL
= 0.3V, V
OH
= DV
DD
- 0.5V, DV
DD
= 3V,
Output load = 50pF unless otherwise)
Symbol N° Parameter Min. Typ. Max. Unit
SERIAL CHANNEL TIMING (see Figure 11 for Parameter numbers)
1 SCLK Period 300 ns
2 SCLK Width Low 150 ns
Obsolete Product(s) - Obsolete Product(s)
Electrical Specifications STLC7550
18/24 Rev 9
Figure 11. Serial Interface Timing Diagram
3 SCLK Width High 150 ns
4 SCLK Rise Time 10 ns
5 SCLK Fall Time 10 ns
6 FS Setup 100 ns
7 FS Hold 100 ns
8 DIN Setup 50 ns
9 DIN Hold 0 ns
10 DOUT Valid 20 ns
11 HC0,HC1 Set-up 20 ns
12 0 50 ns
MASTER CLOCK INTERFACE (MCLK) (MCM = 0)
MCLK Master Clock Input 0.92 1.54 2.8 MHz
Master Clock Duty Cycle 45 55 %
Table 14. Nominal AC Electrical Characteristics (continued)
(Reference level V
IL
= 0.5V, V
IH
= DV
DD
- 0.5V, V
OL
= 0.3V, V
OH
= DV
DD
- 0.5V, DV
DD
= 3V,
Output load = 50pF unless otherwise)
Symbol N° Parameter Min. Typ. Max. Unit
SCLK
FS
DIN
1
67
10
89
2.4
35
MSB
MSB
DOUT
HC0
11
12
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

E-STLC7550TQF7

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Manufacturer:
STMicroelectronics
Description:
IC AFE 1 CHAN 16BIT 48TQFP
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