LM12434CIWM NSC [National Semiconductor], LM12434CIWM Datasheet - Page 20

• Manufacturer Part Number: LM12434CIWM
• Description: Sign Data Acquisition System with Serial I/O and Self-Calibration
• Manufacturer: NSC [National Semiconductor]

4 0 Typical Performance Characteristics
The following curves apply for 12-bit
sign and ‘‘watchdog’’ modes is equal to or better than shown (Note 9)
The following curves apply to the LM12L438 in 12-bit
T
100 kHz
The following curves apply for 12-bit
V
A
A
a
e
e
25 C V
V
D
a
Analog Supply Current
vs Temperature
e
A
a
5V V
e
V
REF
D
a
e
e
4 096V f
3 3V V
Unipolar Spectral Response with
10 kHz Sine Wave at 0 dB
Unipolar Special Response
with 41 2 kHz Sine Wave
at 0 dB Reading Data
during Conversion f
a
REF
a
sign mode after auto-calibration unless otherwise specified The performance for 8-bit
CLK
sign mode after auto-calibration unless otherwise specified R
e
e
read at 200 ns SCLK period
Free-running conversion and SPI mode data
2 5V f
8 MHz f
CLK
SCLK
a
vs Clock Frequency
Digital Supply Current
SCLK
sign mode after auto-calibration unless otherwise specified R
e
e
6 MHz f
10 MHz
e
20
10 MHz V
(Continued)
SCLK
Unipolar Spectral Response with
20 kHz Sine Wave at 0 dB
e
IN
Unipolar Special Response
with 41 2 kHz Sine Wave
at 0 dB Reading Data
between Conversions
e
8 MHz V
4 096V
IN
e
0 dB Sampling Rate
2 5V
vs Temperature
Digital Supply Current
0 dB Sampling Rate
S
TL H 11879 – 84
e
TL H 11879 – 55
50
e
TL H 11879 – 15
T
A
100 kHz
S
e
e
25 C
50
a
e