ADC0808S250 View Datasheet(PDF) - NXP Semiconductors.
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ADC0808S250 Datasheet PDF : 23 Pages
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NXP Semiconductors
ADC0808S125/250
Single 8-bit ADC, up to 125 MHz or 250 MHz
Table 12. Static characteristics …continued
VCCA = 3.0 V to 3.6 V; VCCD = 1.65 V to 1.95 V; VCCO = 1.65 V to 1.95 V; pins AGND1, AGND2 and DGND1 shorted together;
Tamb = −40 °C to +85 °C; Vi(IN) − Vi(INN) = 2.0 V − 0.5 dB; VI(cm) = 0.95 V; VFSIN = 0 V; typical values are measured at
VCCA = 3.3 V, VCCD = VCCO = 1.8 V, Tamb = 25 °C and CL = 10 pF; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ Max
Unit
Vidth
input differential threshold voltage |Vgpd| < 50 mV
II
input current
825 mV < VI < 1575 mV
1.8 V CMOS clock input; see Figure 4
[2] −100
-
+100
mV
-
-
50
µA
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
IIL
LOW-level input current
IIH
HIGH-level input current
Analog inputs: pins IN and INN
VIL = 0.2VCCD
VIH = 0.8VCCD
DGND
-
0.8VCCD -
-
-
-
-
0.2VCCD V
VCCD
V
50
µA
50
µA
Ri
Ci
VI(cm)
input resistance
input capacitance
common-mode input voltage
Vi(IN) = Vi(INN);
output code = 127
[1] -
[1] -
0.7
1.0 -
MΩ
1.0 -
pF
0.95 1.0
V
Digital input pins: OTC, CE_N, DEL0, DEL1, CLKSEL and CCSSEL
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
IIL
LOW-level input current
VIL = 0.3VCCD
IIH
HIGH-level input current
VIH = 0.7VCCD
Voltage controlled regulator output: pin CMADC
DGND
-
0.8VCCD -
-
-
-
-
0.2VCCD V
VCCD
V
50
µA
50
µA
VO(cm) common-mode output voltage
Reference voltage input: pin FSIN[3]
0.85
0.95 1.1
V
VFSIN
voltage on pin FSIN
internal reference
external reference
-
0
0.6
V
1.15
1.25 1.35
V
Ii(FSIN) input current on pin FSIN
Vi(p-p)(max) maximum peak-to-peak input
voltage
internal reference
external reference
-
12
-
µA
1.92
2
2.03
V
Digital outputs: pins D0 to D7, CCS and IR
VFSIN = 1.15 V
VFSIN = 1.25 V
VFSIN = 1.35 V
1.80
1.825 1.85
V
1.98
1.99 2.03
V
2.11
2.16 2.18
V
VOL
LOW-level output voltage
VOH
HIGH-level output voltage
OGND -
VCCO − 0.2 -
0.2
V
VCCO
V
[1] Guaranteed by design.
[2] |Vgpd| is the voltage of ground potential difference across or between boards.
[3] The ADC input range can be adjusted with an external reference voltage applied to pin FSIN. This voltage must be referenced to AGND.
ADC0808S125_ADC0808S250_3
Product data sheet
Rev. 03 — 24 February 2009
© NXP B.V. 2009. All rights reserved.
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