TDA8764 Datasheet, PDF (9/28 Pages) NXP Semiconductors – 10-bit high-speed low-power ADC with internal reference regulator

Philips Semiconductors
10-bit high-speed low-power ADC with
internal reference regulator
Preliminary specification
TDA8764
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
V_I (ANALOG INPUT VOLTAGE REFERENCED TO AGND)
I_IL
LOW-level input current
TDA8764TS/4; TDA8764HL/4 V_I = V_RB
TDA8764TS/8; TDA8764HL/8 V_I = V_RB
I_IH
HIGH-level input current
TDA8764TS/4; TDA8764HL/4 V_I = V_RT
TDA8764TS/8; TDA8764HL/8 V_I = V_RT
Y_i
input admittance
f_i = 5 MHz; note 2
TDA8764TS/4; TDA8764HL/4
input resistance
input capacitance
input admittance
TDA8764TS/8; TDA8764HL/8
f_i = 5 MHz; note 2
input resistance
input capacitance
−
0
−
µA
−
0
−
µA
−
45
−
µA
−
85
−
µA
−
70
−
kΩ
3
5
7
pF
−
45
−
kΩ
3
5
7
pF
Reference voltages for the resistor ladder using the internal voltage regulator; see Table 1
V_RB
V_RT
V_diff(ref)
TC_Vdiff
V_offset(B)
V_offset(T)
V_I(p-p)
reference voltage BOTTOM
reference voltage TOP
differential reference voltage
V_RT − V_RB
temperature coefficient of
differential reference voltage
offset voltage BOTTOM
offset voltage TOP
analog input voltage
(peak-to-peak value)
note 3
note 3
note 4
tbf
1.3 tbf
V
tbf
3.7 tbf
V
tbf
2.4 tbf
V
−
tbf
−
mV/K
−
161 −
mV
−
161 −
mV
tbf
2.08 tbf
V
Outputs
DIGITAL OUTPUTS D9 TO D0 AND IR (REFERENCED TO OGND)
V_OL
LOW-level output voltage
TDA8764TS/4; TDA8764HL/4 I_OL = 1 mA
TDA8764TS/8; TDA8764HL/8 I_OL = 2 mA
V_OH
HIGH-level output voltage
TDA8764TS/4; TDA8764HL/4 I_OH = −1 mA
TDA8764TS/8; TDA8764HL/8 I_OH = −2 mA
I_OZ
output current in 3-state mode
0.5 V < V_o < V_CCO
0
−
0
−
V_CCO − 0.5 −
V_CCO − 0.5 −
−20
−
0.5 V
0.5 V
V_CCO V
V_CCO V
+20 µA
1999 Jan 12
9