16 bit 模数转换器
TM7705
Absolute/Common-M GND to VDD
ode REF IN Voltage2
Vmin to
V mas
Absolute/Common-M GND—30mV
Vmin
BUF Bit of Setup Register=0
BUF Bit of Setup Register=1
。
9
ode AIN Voltage2
VDD+30mV
Vmax
Vmin
Absolute/Common-M GND+50mV
。
9
ode AIN Voltage2
VDD—1.5V
Vmax
AIN DC Input
Current2
1
nA max
AIN
10
pF max
SamplingCapacitanc
e2
AIN
Differential
Unipolar Input Range(B/U Bit
of Setup Register=1)
0to+VREP/GAIN11 nom
Voltage Range10
±VREP/GAIN
GAIN×fCLKIN/64
fCLKIN/8
nom
Bipolar Input Range(B/U Bit of
Setup Register=0)
AIN Input Sampling
Rate,fs
For Gains of 1 to 4
For Gains of 8 to 128
Referencelnput
Range
Vmin/ma VDD=2.7Vto3.3V.VREF=1.225±1
% for Specifled Performance
Vmin/ma VDD=4.75Vto5.25V.VREF=2.5±1
REFIN(+)—REFIN(－)
Voltage
1/1.75
1/3.5
x
REFIN(+)—REFIN(－)
Voltage
x
% for Specifled Performance
REF IN Input
SamplingRate, fs
LOGIC INPUTS
Input Current
All Inputs Except
MCLK IN
fCLKIN/64
±1
μA max
μA max
Typically±20nA
Typically±20μA
MCLK
±10
All Inputs Except
SCLK and MCLK IN
VINL,Input Low
Voltage
0.8
Vmax
VDD=5V
0.4
2.0
Vmax
Vmin
VDD=3V
VINL,Input High
Voltage
VDD=3V and 5V
SCLK Only(Schmitt
Triggered Input)
VT+
VDD=5V NOMINAL
1.4/3
Vmin/V
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www.titanmec.com
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ETC [ ETC ]
