Datasheet

MAX19707
10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
______________________________________________________________________________________ 13
16
18
22
20
26
28
24
30
5152010 25 30 35 40 45
SUPPLY CURRENT vs. SAMPLING RATE
MAX19707 toc28
SAMPLING RATE (MHz)
SUPPLY CURRENT (mA)
I
VDD
Ext4-Rx MODE
Rx ADC INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX19707 toc29
DIGITAL OUTPUT CODE
INL (LSB)
896768512 640256 384128
-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)
896768512 640256 384128
-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)
896768512 640256 384128
-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)
896768512 640256 384128
-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)
1010.10.01
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)
1010.10.01
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)
(V
DD
= 3V, OV
DD
= 1.8V, internal reference (1.024V), C
L
≈ 10pF on all digital outputs, f
CLK
= 45MHz (50% duty cycle), Rx ADC input
amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, C
REFP
= C
REFN
=
C
COM
= 0.33µF, T
A
= +25°C, unless otherwise noted.)
REFERENCE OUTPUT VOLTAGE
vs. TEMPERATURE
MAX19707 toc33
TEMPERATURE (°C)
V
REFP
- V
REFN
(V)
8560-15 10 35
0.505
0.510
0.515
0.520
0.500
-40
V
REFP
- V
REFN