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PDF ECN3297TF Data sheet ( Hoja de datos )
| Número de pieza | ECN3297TF | |
| Descripción | 16-ch High Voltage Analog Switching IC | |
| Fabricantes | Hitachi | |
| Logotipo |  |
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<High Voltage Analog Switch series>
16-ch High Voltage Analog Switching IC
ECN3297TF
P. 1/17
ECN3297 is 16-channel High Voltage analog switching IC with bleed resistors on which
latch-up free is realized by dielectric isolation technology.
High voltage and low ON-resistance MOS switches are used as output devices controlled
by a 3.3V or 5V signal. The ECN3297 is most suited to Ultrasound Imaging applications.
Functions
* High voltage and low on-resistance MOS switches integrated.
* 16bit shift resister integrated.
* Integrated bleed resistors on the outputs.
* Integrated clamping diodes for overvoltage protection positive overshoot.
Features
* Switch on-resistance: 19 typ. (VPP=100V,VNN=-100V,ISIG=5mA, 25oC)
* Switch breakdown voltage: 220V
* Latch-up free CMOS and High-Voltage drive circuit.
* Power up/down sequence of power supply is free.
* 48-pin TQFP Package (RoHS compliant)
VPP
LATCHE
LEVEL
SHIFTER
OUTPUT
SWITCHE
SW0A
D VPP
LE
DIN CL
VNN
SW0B
CLK VNN
16 BIT
SHIFT
REGISTE
Dout
D
LE
CL
VDD LE CL
VNN VPP
Fig.1 Block diagram
VPP
VPP
VNN
SW15A
SW15B
VNN
RGND
PDE-3297-1
Ref. No. IC-SP-12006 R4
1 page  
<High Voltage Analog Switch series>
P. 5/17
ECN3297TF
4. Recommended Operating Conditions
Please operate in use within the limit of recommended operating conditions detailed in Table 5.
Table 5 Recommended Operating Conditions
No Items
Symbol
Recommended Value
1 Logic power supply voltage
2 Positive high voltage supply
3 Negative high voltage supply
4 VPP-VNN supply voltage
5 High-level input voltage
6 Low-level input voltage
7 Analog signal voltage peak to peak
8 Operating free air-temperature
9 Switching frequency
10 Set up time for LE
11 Pulse width of LE
12 Time width of CL
13 Set up time DATA to Clock
14 Hold time DATA from Clock
15 Maximum VSIG Slew Rate
VDD
VPP
VNN
-
VIH
VIL
VSIG
Ta
Fsw
TSD
TWLE
TWCL
TSU
Th
dV/dt
3.0V to 5.5V
40V to 160V
-160V to 0V
40V to 200V
0.9VDD to VDD
0V to 0.1VDD
VNN to VPP
0oC to 70oC
50kHz max, Duty Cycle=50%
Min.60ns
Min.40ns
Min.40ns
Min.10ns
Min.10ns
Max.30V/ns
Attention ;
1) Power up/down sequence of power supply is arbitrary except GND terminal of IC must be powered-up
first and powered-down last.
2) It is indispensable to make there are not to exceed a maximum rated voltage by the occurrence of the
excessive voltage in case of investing and cutting of the power supply.
PDE-3297-1
Ref. No. IC-SP-12006 R4
5 Page 
<High Voltage Analog Switch series>
ECN3297TF
9. Package Outline
９．００±０．２０
７．００TYP
P. 11/17
Units：mm
０．１９±０．０５
１．００TYP
０．５０±０．１０
０．１０
PDE-3297-1
Ref. No. IC-SP-12006 R4
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet ECN3297TF.PDF ] | |
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