Datasheet

Data Sheet AD7609
Rev. A | Page 5 of 36
Parameter Test Conditions/Comments Min Typ Max Unit
ANALOG INPUT
Differential Input Voltage Ranges VIN = Vx+ − (Vx−)
RANGE = 1; ±10 V −20 +20 V
RANGE = 0; ±5 V −10 +10 V
Absolute Voltage Input
±10 V range, see the Analog Input Clamp
Protection section
−10
+10
V
±5 V range, see the Analog Input Clamp
Protection section
−5 +5 V
Common-Mode Input Range −4 ±5 +4 V
CMRR −70 dB
Analog Input Current
10 V, see Figure 28
5.4
µA
5 V, see Figure 28 2.5 µA
Input Capacitance
7
5 pF
Input Impedance 1 MΩ
REFERENCE INPUT/OUTPUT
Reference Input Voltage Range 2.475 2.5 2.525 V
DC Leakage Current ±1 µA
Input Capacitance
7
REF SELECT = 1 7.5 pF
Reference Output Voltage REFIN/REFOUT
2.49/
2.505
V
Reference Temperature Coefficient ±10 ppm/°C
LOGIC INPUTS
Input High Voltage (V
INH
) 0.7 × V
DRIVE
V
Input Low Voltage (V
INL
) 0.3 × V
DRIVE
V
Input Current (I
IN
) ±2 µA
Input Capacitance (C
IN
)
7
5 pF
LOGIC OUTPUTS
Output High Voltage (V
OH
) I
SOURCE
= 100 µA V
DRIVE
− 0.2 V
Output Low Voltage (V
OL
) I
SINK
= 100 µA 0.2 V
Floating-State Leakage Current ±1 ±20 µA
Floating-State Output Capacitance
7
5 pF
Output Coding Twos complement
CONVERSION RATE
Conversion Time All eight channels included 4 µs
Track-and-Hold Acquisition Time 1 µs
Throughput Rate Per channel, all eight channels included 200 kSPS
POWER REQUIREMENTS
AV
CC
4.75 5.25 V
V
DRIVE
2.3 5.25 V
I
TOTAL
Digital inputs = 0 V or V
DRIVE
Normal Mode (Static) 16 22 mA
Normal Mode (Operational)
8
f
SAMPLE
= 200 kSPS 20 28.5 mA
Standby Mode 5 8 mA
Shutdown Mode 2 11 µA