APT7843 Ver la hoja de datos (PDF) - Anpec Electronics
Número de pieza
componentes Descripción
Fabricante
APT7843 Datasheet PDF : 18 Pages
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APT7843
Electrical Characteristics
At TA = -40°C to 85°C , VCC = +2.7V , VREF = +2.5V , fSAMPLE = 125kHz , fCLK = 16 • f SAMPLE = 2MHz , 12-bit mode
, and digital inputs = GND or Vcc , unless otherwise noted.
PARAM ETER
C O N D IT IO N S
DC ACCURACY
R e s o lu tio n
No m issing code
Integral N onlinearity
O ffset Error
O ffset Error M atch
G ain Error
G ain Error M atch
N o is e
Power Supply R ejection
REFERANCE INPUT
VREF Input Voltage Range
DC Leakage Current
VREF Input Impedance
VREF Input Current
DYNAMIC PERFORENCE
Aperture Delay
Aperture Jitter
Channel to Channel Isolation
CONVERSION RATE
Conversion Tim e
Track/Hold Acquisition Tim e
Throughput Rate
SW ITCH DRIVERS
O n-Resistance
Y+ , X+
Y- , X-
LOGIC OUTPUTS
O utput High Voltage , VOH
O utput Low Voltage , VOL
PENIRQ output low voltage , VOL
Floating-State Leakage Current
Floating-State Output Capacitance
O utput Coding
CS = GND or Vcc
FSAMPLE = 12.5 kHz
CS = Vcc
VIN = 2.5Vp-p ; FIN = 50kH z
|IOH| ≤ -250µA
|IOL| ≤ 250µA
APT7843
M IN
TYP
MAX
U N IT S
12
B its
11
B its
±2
LSB
±6
LSB
0.1
1
LSB
±4
LSB
0.1
1
LSB
30
uV rms
70
dB
1.0
Vcc
±1
µA
5
GΩ
13
40
µA
2.5
µA
3
µA
30
ns
100
ps
100
dB
12 DCLK cycles
3
DCLK cycles
125
KSPS
4
15
Ω
4
15
Ω
Vcc–0.2
V
0.4
V
0.2
V
± 10
µA
10
pF
Straight ( N atural ) Binary
Note : (1) LSB means least Significant Bit. With VREF equal to +2.5V , one LSB is 610µV
Copyright ANPEC Electronics Corp.
3
Rev. A.8 - Apr., 2002
www.anpec.com.tw
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