APT7843
Electrical Characteristics
At T
A
= -40°C to 85°C, V
CC
= +2.4V , V
REF
don’t care, f
SAMPLE
= 1.25KHz, f
CLK
= 16 • f
SAMPLE
= 20KHz, 8-bit
differential mode, no support single end mode, and digital inputs = GND or V
cc
, unless otherwise noted.
PARAMETER
DC ACCURACY
Resolution
No missing code
Integral Nonlinearity
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Noise
Power Supply Rejection
DYNAMIC PERFORENCE
Aperture Delay
Aperture Jitter
Channel to Channel Isolation
CONVERSION RATE
Conversion Time
Track/Hold Acquisition Time
Throughput Rate
SWITCH DRIVERS
On-Resistance
Y+ , X+
Y- , X-
LOGIC OUTPUTS
Output High Voltage , V
OH
Output Low Voltage , V
OL
PENIRQ output low voltage , V
OL
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
CONDITIONS
APT7843
MIN
TYP
8
7
±
2
±
6
0.1
0.1
30
70
30
100
1
±
4
1
MAX
UNITS
Bits
Bits
LSB
LSB
LSB
LSB
LSB
uV rms
dB
ns
ps
dB
12
DCLK cycles
DCLK cycles
1.25
KSPS
V
IN
= 2.5Vp-p ; F
IN
= 50kHz
100
3
4
4
|I
OH
|
≤
-250µA
|I
OL
|
≤
250µA
Vcc–0.2
0.4
0.2
±
10
10
Straight ( Natural ) Binary
Ω
Ω
V
V
V
µA
pF
Copyright
ANPEC Electronics Corp.
Rev. A.8 - Apr., 2002
5
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
