IC-NZP_11 Datasheet, PDF (5/15 Pages) IC-Haus GmbH – P-TYPE LASER DIODE DRIVER

iC-NZP
P-TYPE LASER DIODE DRIVER
preliminary
Rev B1, Page 5/15
ELECTRICAL CHARACTERISTICS
Operating Conditions: VDD = 3...5.5 V, VSY = 0 V...VDD, Tj = -40...85 °C, NSLP = hi, NCID = hi; unless otherwise stated
Item Symbol Parameter
No.
Conditions
Unit
Min. Typ. Max.
Total Device
001 VDD
Permissible Supply Voltage
3
5.5
V
002 VSY
Permissible Supply Voltage at
VSY
VSY ≤ VDD
3
5.5
V
003 Ioff(VDD) Supply Current in VDD
NSLP = lo, all other input pins set to lo
5
50
µA
004 Idc(VDD) Supply Current in VDD
RSI ≥ 680 Ω
10
15
mA
005 I(VSY) Supply Current in VSY
SYN pin open
10
µA
006 Toff
Thermal Shutdown Threshold
130
196
°C
007 VDDon Power-On Threshold
1.7
2.8
V
008 Vc()hi
Clamp Voltage hi at RSI, TTL, I() = 0.1 mA, other pins open, VDD = 0
0.3
REGE, MD, CI, LDA, VDDA,
VDDL, NSLP, IMON, NCID, AVG
1.6
V
009 Vc(SYN)hi Clamp Voltage hi to VSY
I() = 1 mA, other pins open, VSY = 0
0.3
1.5
V
010 Vc()lo
Clamp Voltage lo at VDD, AVG, I() = -1 mA, other pins open
MD, IMON, NCID, EP, EN, TTL,
VSY, SYN, RVDD, VDDL, VDDA,
CI, LDA, RSI, REGE, NSLP,
NERR
-1.5 -0.65 -0.3
V
011 Vc(VSY)hi Clamp Voltage hi at VSY
I() = 1 mA, other pins open, VDD = 0
6
V
Current Monitor RSI, VDDA, VDDL, LDA
101 V(RSI) Voltage at RSI
420 500 580 mV
102 RSI
Permissible Resistor at RSI
VDD = 3...3.5 V
VDD = 4.5...5.5 V
2.5
9
kΩ
0.68
9
kΩ
103 V(VDDA) VDDA Voltage Monitor Threshold VDD − V(VDDA), V(RSI) = VDD
400 500 620 mV
104 V(VDDL) Permissible voltage at VDDL
When not connected to VDDA
0
V(VDD)
105 Ierr(VDDA) Maximum current from VDDA
without error signalling
V(RSI) = VDD;
VDD = 4.5...5.5 V
VDD = 3...3.5 V
-980
-820
-400 mA
-270 mA
106 Cmin()
Minimum capacitor required at
VDDA
100
nF
107 rIVDDA
Current Ratio
I(VDDA)max / I(RSI)
V(VDDA) = 0 V;
VDD = 3...5.5 V
460
630
108 rILDA
Current Ratio I(LDA)max / I(RSI) V(REGE) = V(TTL) = V(EP) = VDD,
V(LDA) = 0 V, V(MD) = 0;
VDD = 3...5.5 V
470
970
109 i(LDA)
Maximum limited current
RSI = 680 Ω, VDD = 5.5 V
-630
mA
110 Rdis()
Reference
201 V(MD)
Discharge Resistor at VDDA
Reference Voltage
202 dV(MD)
203 V(MD)
Temperature Drift of Voltage at
MD
Precharge Reference Voltage
Digital Inputs/Outputs
301 Vin()
Input Voltage Range at EP, EN
NSLP = lo, V(VDDA) = VDD
V(MD) − V(RGND),
V(RVDD) − V(MD) for P-type LD,
closed control loop
closed control loop
V(RVDD) − V(MD);
V(EP) = 0, V(AVG) = 0, P-type MD
TTL = lo, VDD = 3.0...5.5 V
302 Vd()
303 R()
304 Vt(EP)hi
305 Vt(EP)lo
Input Differential Voltage at EP, TTL = lo, Vd() = |V(EP) − V(EN)|
EN
Differential Input Impedance at V(EP), V(EN) < VDD − 1.5 V, TTL = lo
EP, EN
Input Threshold Voltage hi at EP TTL = hi, EN = open
Input Threshold Voltage lo at EP TTL = hi, EN = open
1
20
kΩ
210 250 320 mV
120
µV/°C
230 280 360 mV
0.6
VDD − V
1.4
200
mV
0.6
3
kΩ
2
V
0.8
V