AD7468 Analog Devices, AD7468 Datasheet - Page 5

• Manufacturer Part Number: AD7468
• Description: 1.6 V Micro-Power 8-Bit ADC
• Manufacturer: Analog Devices

Specifications of AD7468

• Resolution (bits): 8bit
• # Chan: 1
• Sample Rate: 200kSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: SOP,SOT

AD7467
V
The temperature range for the B version is −40°C to +85°C.
Table 2.
Parameter
DYNAMIC PERFORMANCE
Second-Order Terms
Third-Order Terms
DC ACCURACY
ANALOG INPUT
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION RATE
DD
Signal-to-Noise and Distortion (SINAD)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise (SFDR)
Intermodulation Distortion (IMD)
Aperture Delay
Aperture Jitter
Full Power Bandwidth
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Gain Error
Total Unadjusted Error (TUE)
Input Voltage Ranges
DC Leakage Current
Input Capacitance
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
Conversion Time
Throughput Rate
= 1.6 V to 3.6 V, f
IN
IN
, SCLK Pin
, CS Pin
SCLK
INL
IN
INH
OL
OH
= 3.4 MHz, f
SAMPLE
= 100 kSPS, unless otherwise noted. T
B Version
61
−72
−74
−83
−83
10
40
3.2
1.9
750
450
10
±0.5
±0.5
±0.2
±0.2
±1
0 to V
±1
20
0.7 × V
2
0.2 × V
0.3 × V
0.8
±1
±1
10
V
0.2
±1
10
Straight (natural)
binary
3.52
275
DD
− 0.2
DD
DD
DD
DD
Rev. C | Page 5 of 28
Unit
dB max
dB typ
dB typ
ns typ
ps typ
kHz typ
kHz typ
LSB max
LSB max
μA max
V min
V max
μA max
pF max
V max
kSPS max
dB min
dB max
MHz typ
MHz typ
Bits
LSB max
LSB max
LSB max
V
pF typ
V min
V max
V max
μA typ
V min
μA max
pF max
μs max
Test Conditions/Comments
Maximum/minimum specifications apply as typical figures
when V
See the Terminology section
See the Terminology section
See the Terminology section
fa = 29.1 kHz, fb = 29.9 kHz; see the Terminology section
@ 3 dB, 2.5 V ≤ V
@ 3 dB, 1.6 V ≤ V
@ 0.1 dB, 2.5 V ≤ V
@ 0.1 dB, 1.6 V ≤ V
Maximum specifications apply as typical figures when
V
See the Terminology section
Guaranteed no missed codes to 10 bits; see the
Terminology section
See the Terminology section
See the Terminology section
See the Terminology section
1.6 V ≤ V
2.7 V ≤ V
1.6 V ≤ V
1.8 V ≤V
2.7 V ≤ V
Typically 20 nA, V
Sample tested at 25°C to ensure compliance
I
I
Sample tested at 25°C to ensure compliance
12 SCLK cycles with SCLK at 3.4 MHz
See the Serial Interface section
SOURCE
SINK
DD
A
= 1.6 V
= 200 μA
= T
= 200 μA, V
DD
MIN
DD
DD
DD
DD
DD
= 1.6 V, f
< 2.7 V
≤ 3.6 V
< 1.8 V
≤ 3.6 V
< 2.7 V
to T
MAX
DD
DD
IN
DD
DD
DD
IN
≤ 3.6 V
≤ 2.2 V
= 0 V or V
, unless otherwise noted.
AD7466/AD7467/AD7468
= 1.6 V to 3.6 V
= 30 kHz sine wave
≤ 3.6 V
≤ 2.2 V
DD