
MAX19707
10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
______________________________________________________________________________________
13
16
18
22
20
26
28
24
30
515
20
10
25
30
35
40
45
SUPPLY CURRENT vs. SAMPLING RATE
MAX19707
toc28
SAMPLING RATE (MHz)
SUPPLY
CURRENT
(mA)
IVDD
Ext4-Rx MODE
Rx ADC INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX19707
toc29
DIGITAL OUTPUT CODE
INL
(LSB)
896
768
512 640
256 384
128
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
01024
Rx ADC DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX19707
toc30
DIGITAL OUTPUT CODE
DNL
(LSB)
896
768
512 640
256 384
128
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0
1024
Tx DAC INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX19707
toc31
DIGITAL INPUT CODE
INL
(LSB)
896
768
512 640
256 384
128
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
1024
Tx DAC DIFFERENTIAL NONLINEARITY
vs. DIGITAL INPUT CODE
MAX19707
toc32
DIGITAL INPUT CODE
DNL
(LSB)
896
768
512 640
256 384
128
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
01024
AUX-DAC OUTPUT VOLTAGE
vs. OUTPUT SOURCE CURRENT
MAX19707
toc34
OUTPUT SOURCE CURRENT (mA)
OUTPUT
VOLTAGE
(V)
10
1
0.1
0.01
0.5
1.0
1.5
2.0
2.5
3.0
0
0.001
100
AUX-DAC OUTPUT VOLTAGE
vs. OUTPUT SINK CURRENT
MAX19707
toc35
OUTPUT SINK CURRENT (mA)
OUTPUT
VOLTAGE
(V)
10
1
0.1
0.01
0.5
1.0
1.5
2.0
2.5
3.0
0
0.001
100
AUX-DAC SETTLING TIME
MAX19707
toc36
500ns/div
500mV/div
STEP FROM 1/4FS TO 3/4FS
Typical Operating Characteristics (continued)
(VDD = 3V, OVDD = 1.8V, internal reference (1.024V), CL
≈ 10pF on all digital outputs, fCLK = 45MHz (50% duty cycle), Rx ADC input
amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, CREFP = CREFN =
CCOM = 0.33F, TA = +25°C, unless otherwise noted.)
REFERENCE OUTPUT VOLTAGE
vs. TEMPERATURE
MAX19707
toc33
TEMPERATURE (
°C)
V
REFP
-
V
REFN
(V)
85
60
-15
10
35
0.505
0.510
0.515
0.520
0.500
-40
VREFP - VREFN