AD7475 Analog Devices, AD7475 Datasheet - Page 5

• Manufacturer Part Number: AD7475
• Description: 1 MSPS, 12-Bit A/D Converter in MSOP-8 or SOIC-8
• Manufacturer: Analog Devices

Specifications of AD7475

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Ser
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: SOIC,SOP

AD7495 SPECIFICATIONS
V
Table 2.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE OUTPUT
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION RATE
DD
Signal-to-Noise and Distortion (SINAD)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Aperture Delay
Aperture Jitter
Full Power Bandwidth
Full Power Bandwidth
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Gain Error
Input Voltage Ranges
DC Leakage Current
Input Capacitance
REF OUT Output Voltage
REF OUT Impedance
REF OUT Temperature Coefficient
Input High Voltage, V
Input Low Voltage, V
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
Track-and-Hold Acquisition Time
Throughput Rate
= 2.7 V to 5.25 V, V
(SFDR)
Second-Order Terms
Third-Order Terms
IN
IN
INL
INH
DRIVE
2
OL
OH
= 2.7 V to 5.25 V, f
A Version
68
−75
−76
−78
−78
10
50
12
±1.5
±0.5
+1.5/−0.9
±0.6
±8
±7
±1
20
2.4625/2.5375
50
V
0.4
±1
10
0.4
±10
10
300
325
1
8.3
1.3
0 to 2.5
10
800
DRIVE
Straight (Natural) Binary
SCLK
− 1
= 20 MHz, T
1
V
DRIVE
− 0.2
B Version
68
−75
−76
−78
−78
10
50
8.3
1.3
12
±1
±0.5
+1.5/−0.9
±0.6
±8
±7
0 to 2.5
±1
20
2.4625/2.5375
10
50
V
0.4
±1
10
0.4
±10
10
800
300
325
1
Rev. B | Page 5 of 24
DRIVE
A
= T
− 1
MIN
1
to T
MAX,
Unit
dB min
dB max
dB max
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
Bits
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB max
V
μA max
pF typ
V min/max
Ω typ
ppm/°C typ
V min
V max
μA max
pF max
V min
V max
μA max
pF max
ns max
ns max
ns max
MSPS max
unless otherwise noted.
Test Conditions/Comments
f
f
f
@ 3 dB
@ 0.1 dB
@ 5 V (typ @ 3 V)
@ 25°C
@ 5 V guaranteed no missed codes to
@ 25°C
Typically ±2.5 LSB
Typically ±2.5 LSB
Typically 10 nA, V
I
I
16 SCLK cycles with SCLK at 20 MHz
Sine wave input
Full-scale step input
See the Serial Interface section
SOURCE
SINK
IN
IN
IN
= 300 kHz sine wave, f
= 300 kHz sine wave, f
= 300 kHz sine wave, f
12 bits (typ @ 3 V)
= 200 μA
= 200 μA; V
IN
DD
AD7475/AD7495
= 0 V or V
= 2.7 V to 5.25 V
SAMPLE
SAMPLE
SAMPLE
DRIVE
= 1 MSPS
= 1 MSPS
= 1 MSPS